SL-Data - grifo¨ COM

SL-Data - grifo¨ COM
SL-Data
Serial-LOG: Data Logger on memory cards
USER MANUAL
Via dell' Artigiano, 8/6
® 40016 San Giorgio di Piano
(Bologna) ITALY
ITALIAN TECHNOLOGY
E-mail: [email protected]
http://www.grifo.it
http://www.grifo.com
Tel. +39 051 892.052 (r.a.) FAX: +39 051 893.661
grifo
SL-Data
,
Rel. 5.00
Edition 16 January 2009
®
®
, GPC , grifo , are trade marks of grifo®
SL-Data
Serial-LOG: Data Logger on memory cards
USER MANUAL
SL-Data is a product capable to acquire analog data, supplied by the field,
and to save them on a removable memory card , like the SD (Secure Digital)
and MMC (Multi Media Card) types.
The logged data can be moved to a PC through a simple extraction of the
memory card and a following insertion on a PC provided of a standard
multicards interface.
The SL-Data is composed by a group of hardware, firmware and software.
This division allow the customers to select two different working modalities:
use the package directly, as it has been supplied, by taking advantage of the
provided configurations in order to satisfy the application requirements;
alternatively modify the program source in order to change, or add, some
new required functionalities.
Via dell' Artigiano, 8/6
® 40016 San Giorgio di Piano
(Bologna) ITALY
ITALIAN TECHNOLOGY
E-mail: [email protected]
http://www.grifo.it
http://www.grifo.com
Tel. +39 051 892.052 (r.a.) FAX: +39 051 893.661
grifo
SL-Data
,
Rel. 5.00
Edition 16 January 2009
®
®
, GPC , grifo , are trade marks of grifo®
DOCUMENTATION COPYRIGHT BY grifo® , ALL RIGHTS RESERVED
No part of this document may be reproduced, transmitted, transcribed, stored in a
retrieval system, or translated into any language or computer language, in any form or
by any means, either electronic, mechanical, magnetic, optical, chemical, manual, or
otherwise, without the prior written consent of grifo®.
IMPORTANT
Although all the information contained herein have been carefully verified, grifo®
assumes no responsability for errors that might appear in this document, or for damage
to things or persons resulting from technical errors, omission and improper use of this
manual and of the related software and hardware.
grifo® reserves the right to change the contents and form of this document, as well as the
features and specification of its products at any time, without prior notice, to obtain
always the best product.
For specific informations on the components mounted on the card, please refer to the
Data Book of the builder or second sources.
SYMBOLS DESCRIPTION
In the manual could appear the following symbols:
Attention: Generic danger
Attention: High voltage
Attention: ESD sensitive device
Trade Marks
,
GPC®, grifo® : are trade marks of grifo®.
Other Product and Company names listed, are trade marks of their respective companies.
grifo®
ITALIAN TECHNOLOGY
GENERAL INDEX
INTRODUCTION ........................................................................................................................ 1
VERSIONS .................................................................................................................................... 3
DEFINITIONS .............................................................................................................................. 3
GENERAL INFORMATION ...................................................................................................... 4
REQUIREMENTS .................................................................................................................... 6
TECHNICAL FEATURES .......................................................................................................... 7
INSTALLATION .......................................................................................................................... 8
CONNECTIONS ....................................................................................................................... 8
POWER SUPPLY CONNECTION ...................................................................................... 8
DIGITAL INPUTS CONNECTION ..................................................................................... 8
ANALOG INPUTS CONNECTION ..................................................................................... 9
RS 232 CONNECTION BETWEEN ACQUISITION HW AND SAVING HW .............. 9
I2C BUS CONNECTION BETWEEN ACQUISITION HW AND SAVING HW ......... 10
RS 232 CONNECTION BETWEEN ACQUISITION HW AND CONFIG. PC ............ 10
RS 232 CONNECTION BETWEEN SAVING HW AND CONFIGURATION PC ....... 11
RELAYS OUTPUTS CONNECTION ................................................................................ 11
HARDWARE CONFIGURATIONS ...................................................................................... 12
SOFTWARE CONFIGURATION ......................................................................................... 12
FUNCTIONALITIES ................................................................................................................. 13
SL-DATA CONFIGURATION ............................................................................................... 13
ACQUISITION HW CONFIGURATION ......................................................................... 13
SAVING HW CONFIGURATION ..................................................................................... 15
DEFAULT CONFIGURATION .......................................................................................... 17
ACQUIRE AND SAVING ....................................................................................................... 17
RS 232 ASYNCHRONOUS COMMUNICATION ............................................................ 20
I2C BUS SYNCHRONOUS COMMUNICATION ........................................................... 20
USE OF SAVED DATA ........................................................................................................... 21
HOW TO START ....................................................................................................................... 23
FIRMWARE ............................................................................................................................... 30
FIRMWARE DEVELOPMENT ............................................................................................ 30
FIRMWARE DESCRIPTION ................................................................................................ 31
SOURCE HEADER ............................................................................................................. 31
COMPILER DIRECTIVES ................................................................................................ 31
DATA STRUCTURE ............................................................................................................ 31
ROUTINES ........................................................................................................................... 33
MAIN PROGRAM ............................................................................................................... 36
APPENDIX A: DEFAULT CONFIG., OPTIONS, ACCESSORIES ................................... A-1
APPENDIX B: ALPHABETICAL INDEX ............................................................................ B-1
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FIGURE INDEX
FIGURE 1: RS 232 CONNECTION BETWEEN GAB H844 AND S-LOG................................................ 9
FIGURE 2: I2C BUS CONNECTION BETWEEN GAB H844 AND S-LOG .......................................... 10
FIGURE 3: RS 232 CONNECTION BETWEEN GAB H844 AND CONFIGURATION PC ........................... 10
FIGURE 4: RS 232 CONNECTION BETWEEN S-LOG AND CONFIGURATION PC .................................. 11
FIGURE 5: CONNECTIONS FOR ACQUISITION HW CONFIGURATION ..................................................... 13
FIGURE 6: CONNECTIONS FOR SAVING HW CONFIGURATION .............................................................. 16
FIGURE 7: CONNECTIONS WITH RS 232 COMMUNICATION ............................................................... 18
FIGURE 8: CONNECTIONS WITH I2C BUS COMMUNICATION ............................................................ 18
FIGURE 9: HYPERTERMINAL SETTINGS FOR ACQUISITION HW CONFIGURATION .................................. 24
FIGURE 10: SETTINGS FOR ACQUISITION HW CONFIGURATION .......................................................... 24
FIGURE 11: PC SERIAL SETTINGS WITH CONF_SLOG .................................................................... 25
FIGURE 12: COMMUNICATION CONFIGURATION WITH CONF_SLOG ................................................ 26
FIGURE 13: SAVING CONFIGURATION WITH CONF_SLOG ............................................................... 27
FIGURE 14: OPEN LOGGED DATA WITH EXCEL ................................................................................. 29
FIGURE 15: GRAPHIC VISUALIZATION OF LOGGED DATA ................................................................... 29
FIGURE 16: FLOW CHART OF ACQUISITION HW FIRMWARE ............................................................... 35
FIGURE A1: DEFAULT SOFTWARE CONFIGURATION OF ACQUISITION HW .......................................... A-1
FIGURE A2: CKS.AMP4 CONNECTION ACCESSORY ...................................................................... A-2
FIGURE A3: AMP4.CABLE CONNECTION ACCESSORY .................................................................... A-2
FIGURE A4: CKS.AMP8 CONNECTION ACCESSORY ...................................................................... A-3
FIGURE A5: AMP8.CABLE CONNECTION ACCESSORY .................................................................... A-3
FIGURE A6: EL 12 POWER SUPPLY ACCESSORY ............................................................................. A-4
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INTRODUCTION
The use of these devices has turned - IN EXCLUSIVE WAY - to specialized personnel.
This device is not a safe component as defined in directive 98-37/CE.
Pins of module are not provided with any kind of ESD protection. Many pins of the card are directly
connected to their respective pins of on board's components and these last are sensitive to
electrostatic noises. So personnel who handles the product/s is invited to take all necessary
precautions that avoid possible damages caused by electrostatic discharges.
The purpose of this handbook is to give the necessary information to the cognizant and sure use of
the products. They are the result of a continual and systematic elaboration of data and technical tests
saved and validated from the manufacturer, related to the inside modes of certainty and quality of
the information.
The reported data are destined- IN EXCLUSIVE WAY- to specialized users, that can interact with
the devices in safety conditions for the persons, for the machine and for the enviroment, impersonating
an elementary diagnostic of breakdowns and of malfunction conditions by performing simple
functional verify operations , in the height respect of the actual safety and health norms.
The informations for the installation, the assemblage, the dismantlement, the handling, the adjustment,
the reparation and the contingent accessories, devices, installation, etc. are destined - and then
executable - always and in exclusive way from specialized warned and educated personnel, or
directly from the AUTHORIZED TECHNICAL ASSISTANCE, in the height respect of the
manufacturer recommendations and the actual safety and health norms.
The devices can't be used outside a box. The user must always insert the cards in a container that
rispect the actual safety normative. The protection of this container is not threshold to the only
atmospheric agents, but specially to mechanic, electric, magnetic, etc. ones.
To be on good terms with the products, is necessary guarantee legibility and conservation of the
manual, also for future references. In case of deterioration or more easily for technical updates,
consult the AUTHORIZED TECHNICAL ASSISTANCE directly.
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To prevent problems during card utilization, it is a good practice to read carefully all the informations
of this manual. After this reading, the user can use the general index and the alphabetical index,
respectly at the begining and at the end of the manual, to find information in a faster and more easy
way.
grifo® provid this documentation "as is" without warranty of any kind. In no event shall grifo® be
liable for indirect, special, incidental or consequential damages of any kind arising from any error
in this documentation, including any loss or interruption of business, profits, use , or data. Moreover
is not guaranteed the updating of the product for new computers or new operating systems, that will
become available in the future.
All trademarks listed in this manual are copyright of the relative manufacturers.
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VERSIONS
This handbook makes reference to version 1.1 of the SL-Data product and following ones. The
validity of the information contained in this manual is subordinated to the version number of the used
firmware and the user must always verify the correct correspondence beetween the notations. The
version number is reported on the received CD label and it is also displayed by the device during the
configuration.
Normally the SL-Data is always supplied with the latest firmware version that is available but, for
specific requirements, the user can receive also a different version; he must carefully specify this
particular condition in the order phase.
In addition, this manual reports information about other different programs that are integrant parts
of SL_Data: each one of these programs has an own version number that is specifically described
when it is necessary. Finally also the hardware is provided of his version as indicated in the related
technical manuals.
When the user requires technical assistance it is really important that he provides a description of the
problem plus the version numbers of the used components.
Like any products, also SL-Data is continuosly changed and improved to satisfy completely the new
requirements of the users and correct the discovered problems and bugs. Here follows a brief
description of the changes made to the package according to version number:
Ver. 1.0
->
First version for internal development and test.
Ver. 1.1
->
First realesed version.
Any eventual improvement or addition the user thinks may be interesting, can be suggested by
contacting directly grifo®.
DEFINITIONS
In order to simplify the description, we define:
Acquisition hw ->
Saving hw
->
the system dedicated to field signals connection, usually composed by the
couple of cards GAB Hxxx + Mini Module.
the system that save the acquired data, generally composed by S-LOG.
In all the manual the previous definitions are used by assuming that the user knows them and he can
handle them correctly. This preliminary condition can be satisfied by reading the relative technical
and user manuals of all the used cards. It is important to underline also the manuals of the coupled
cards GAB Hxxx + Mini Module, as they supply capital information about acquisition hw.
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GENERAL INFORMATION
SL-Data is a product capable to acquire analog data, supplied by the field, and to save them on a
removable memory card , like the SD (Secure Digital) and MMC (Multi Media Card) types.
This product is the result of numerous experiences, collected in many years by grifo®, during the
development of data logger applications. The equipment acquire and save different analog signal in
a simple, reliable and cheap manner. Moreover it allows to examine and/or process the saved
information, later and in a different place.
The logged data are saved on the memory cards managed by S-LOG, that are the SD and MMC, with
FAT16 format. The logged data can be moved to a PC through a simple extraction of the memory
card and a following insertion on a PC provided of a standard multicards interface. The data are
available under file/s with ASCII format and they are organized in order to be opened with Excel
spread sheet. Then these data can be saved in different files, or they can be examined, processed,
printed, arranged, registered, displayed on graphs, etc. according with user requirements.
The SL-Data is composed by a group of hardware, firmware and software. This division allow the
customers to select two different working modalities:
A) Use the package directly, as it has been supplied, by taking advantage of the provided
configurations in order to satisfy the application requirements.
B) Modify the provided firmware program source in order to change, or add, some new required
functionalities.
The operative features, already available or to be added, of the SL-Data are briefly described below.
- Logging of analog signals supplied by temperature, pressure, humidity, flux, capacity, position,
voltage, corrent, consumption, etc. transducers.
- Closed loop controls that mantain the checked signals to a preset set point.
- Alarms controls with periodic saving of their status.
- Logging of digital signals supplied by switches, selectors, proximities, allarms, stroke ends, etc.
- Pulses count and saving of their number, frequency, distribution, etc.
- Management of serial communications with different protocols (RS 232, RS 422, RS 485, CAN,
I2C BUS, etc.) and saving of exchanged data.
- TTL digital signals controller, either input or output, that can be connected to other electronic
circuits, with saving of the same signals status.
- Teleacquisition of the input signals on a long distance communication line, either standard or
wireless.
- Telecontrol of the available signals on a long distance communication line, either standard or
wireless.
- Etc.
The firmware and the software normally provided with SL-Data acquire and save the analog inputs
available on GAB H844, coupled with a selected Mini Module. The supplied program, even in
source format widely remarked, includes all the necessary procedures and data structures and allows
the user to develop his firmware and to satisfy his specific requirements. In this manner the SL-Data
considerably reduces the development time of data logger applications.
A comfortable configuration mode let the user arrange the SL-Data for the application to develop.
As an example, it defines the type of the connected analog signals, the acquisition time and mode,
the features of the physic values acquired (engineering format), etc. Generally the configuration
mode is used only one time before the installation of the complete system.
One of the most important features of SL-Data is that it is a ready to use product: the user is not forced
to know the selected and used hardware. Thanks to the utility programs and the sources provided with
the product, it is possible to set up, test and use the data logger in few minutes.
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The most important features of SL-Data are summarized in the following points.
- Acquisition of the analog inputs available on acquisition hw.
- Analog inputs configurable among different types: two are Voltage inputs (0÷Vmax
value, 0÷Vmax value*4) and two are Current inputs (0÷20 mA, 4÷20 mA).
- Analog inputs can be filtered or not by firmware, and enabled in the acquisition hw
configuration.
- Gain factor application on the analog inputs.
- Analog inputs are converted in engineering units.
- Engineering units for analog inputs defined under configuration with begin scale and
end scale values.
- Values in engineering units are saved on memory cards.
- Automatic format of the values in engineering units, in order to provide always the
maximum number of significant digits.
- Data saved on memory card with SD or MMC type, up to 2 GBytes.
- FAT16 format for memory cards.
- Memory card completely managed by S-LOG.
- Data on memory card are organized on single or different ASCII files, compatible with
electronic spreadsheet as Excel.
- Possibility to add label, prefix, suffix to saved data, with the saving hw configuration.
- Label, prefix and suffix can be widely composed and include also time indication
(current date and time).
- The memory cards and the saved data can be managed by any PC provided of proper
multicards interface.
- Comfortable configuration modes either for acquisition hw and saving hw.
- Configurations are mantained in non volatile memories (EEPROM) with specific
algorithms and reliability controls.
- Connection between acquisition hw and saving hw can be performed either with
asynchronous RS 232 or synchronous I2C BUS communication.
- Serial communication line can be selected under configurations.
- Easily define of RS 232 physic protocol for asynchronous communication (Baud Rate,
Stop Bit, Parity, etc.).
- The not used communication line of the acquisition hw (asynchronous RS 232 or
synchronous I2C BUS) remains free for the connection to different external systems.
- Acquisition time can be defined under configuration among 18 standard values (from
1 second to 1 day), or alternatively with a time inserted by user.
- Time control of the acquisition hardware based on a periodic interrupt, with 10 msec
resolution.
- Check configuration validity and signal possible errors.
- Saving hw functionality is cheked by acquisition hw and possible anomalies are
signalized.
- Firmware source developed with modular procedures dedicated to any section of the
acquisition hw (EEPROM, A/D, buffered inputs, buffered outputs, serial
communication, timing, etc.).
- Firmware and software support double language: Italian and English.
- Wide documentation and rich list of examples both in source and executable format.
- No license nor additional costs. The user is free to develop all the applications that he
requires.
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REQUIREMENTS
Following there is a list of necessary material in order to use SL-Data:
a) One acquisition hw and one saving hw, that are GAB H844 + Mini Module and S-LOG.
b) User documentation or, in other words, this manual and those of the cards that have been selected
as acquisition and saving hws.
c) A power supply either for acquisition hw and saving hw, compatible with ordered configuration
(please see POWER SUPPLY paragraphs for details).
d) A personal computer capable to configure the hws for the system under development and to
examine the logged data. This PC must have the following minimum requirements:
Personal Computer: IBM or compatible
RAM memory:
≥ 64 MBytes
Hard disk:
≥ 8 MBytes free
Video card:
≥ 800x600 pixels, 65536 colours
Monitor:
Colour
Mouse:
Microsoft compatible, correctly managed.
Interfaces:
One free COM serial line, orrectly managed.
Multicard slots for memory cards, correctly managed.
Operating system:
Windows 98, ME, 2000, XP
In the previous description the indications "correctly managed" mean that the device must be
previously installed. This installation includes both hardware and software configurations as
defined by the manufacturing company. In other words the supplied programs have no
dedicated software driver for these devices, but they uses those already available in the
operating system.
e) One SD or MMC memory card, up to 2 GB capacity, with FAT or FAT16 format.
f) The serial connection cables that allows the communication between all the systems described in
point a and the PC described on point d. To realize this cables please see the several figures on this
manual.
In order to speed up the development of the final application, are available some example and utility
programs. First of all the customer has to find the interesting components and then to use them as
described in the same programs or in following chapters.
Some of described elements, as the manual, can be downloaded from grifo® web sites.
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TECHNICAL FEATURES
Signals acquired and saved:
Up to 8 analog inputs
Acquired signals types:
Voltage 0÷Vmv (Vmv=max. value voltage of acquisition hw)
Voltage 0÷4*Vmv(Vmv=max. value voltage of acquisition hw)
Current 0÷20 mA
Current 4÷20 mA
Analog acquisition type:
Direct (1 conversion) and Filtered (average of 8 conversions)
Acquisition time:
Configurable among 18 predefined values (1 sec, 2 sec, 5 sec, 10
sec, 20 sec, 30 sec, 1 min, 2 min, 5 min, 10 min, 20 min, 30 min,
1 hour, 2 hour, 5 hour, 10 hour, 12 hour, 24 hour)
or a number of seconds inserted by user
Timings resolution:
10 msec
Communication:
Acquisition hw <-> saving hw:
RS 232 physical protocol:
19200 Baud, 8 Bits per character, no Parity, 1 Stop bit
Configuration saving:
On EEPROM not volatile
Supported memory cards:
SD or MMC up to 2 GBytes
Memory cards format:
FAT or FAT16
Saved data format:
ASCII aligned in columns (compatible with Excel)
Saved data measure unit:
Engineering unit, with configurable scale
asynchronous RS 232 or
synchronous I2C BUS
Acquisition hw <-> configuration PC: asynchronous RS 232
Saving hw <-> configuration PC:
asynchronous RS 232
Signals, measures relationship: Linear transfer function of first degree
Meaningful digits number:
Automatic, up to 8
2GB card fill up time:
About 265 days in the maximum usage conditions (acquisition
each second, on 8 inputs, with 8 meaningful digits, plus time and
date)
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INSTALLATION
In this chapter there are the information for a right installation of SL-Data. In detail there are the
cables descriptions, the jumpers settings and any other information concerning hardware arrangement.
All components not described in this chapter are not involved in SL-Data functionalities and they
can't be used.
CONNECTIONS
The SL-Data hardware is provided of 8 connections used to link some sections of the used cards and
all the field signals. Below are briefly described these connections, with the figures of the relative
cables.
In addition the figures of next chapter show the connectors position on the boards, in order to simplify
their recognitions.
POWER SUPPLY CONNECTION
The SL-Data system generally requires two power supply either for acquisition and saving hws.
these power sources can be the same or separate, and they must strictly respect the indications
reported in the manual of the used cards, inside the POWER SUPPLY chapters. Alternatively the user
can choose even different power supply modalities, in order to reduce the cost of the complete
system, upon agreement with grifo®. As an example it can be supplied a single power source to
acquisition hw and then, the generated +5 Vdc can be used to supply power at saving hw, too.
NOTE:
When a single AC source is used to supply both the hws, please ensure that the two phases
of AC voltage are connected at the same input pins of power supply connector. Whenever
this rule is not satisfied dangerous malfunctions or damages can rise up on all the
connected devices. For example, if we call Phase1 and Phase2 the two signals of the AC
voltage, then Phase1 must be always connected to positive inputs (Vac, +Vdc pow) and
Phase2 must be connected to negative inputs (Vac, GND).
DIGITAL INPUTS CONNECTION
The SL-Data acquisition hw is always provided of 4 buffered digital inputs, that can be connected
to switches, selectors, proximities, allarms, stroke ends, etc.
For details on these signals please read the manuals of the used cards, where the pin out and the
connection modalities are fully described.
In SL-Data functionalities these inputs are used to select the configuration mode, as indicated in the
homonimous paragraph.
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ANALOG INPUTS CONNECTION
Up to 8 analog inputs, coming from the field environment, can be connected to SL-Data system.
These signals generally are directly provided by the sensors that transduce the measure to acquire,
as temperature, pressure, humidity, flux, capacity, position, voltage, corrent, consumption, etc. In
fact the outputs of these sensors are typically compatible with the acquisition hw inputs, that accept
voltage signals (0÷Vmv, 0÷Vmv*4) and current signals (0÷20 mA, 4÷20 mA).
The number and the name of the available analog inputs depend on the selected acquisition hw, and
so it is also for the Voltage maximum value Vmv; these information are available in the technical
manuals of the cards couple dedicated to acquisition hw, that are GAB H844+Mini Module. From
these manuals the following values are obtained:
Vmv
Range 0÷Vmv
Range 0÷4*Vmv
2,5 V
0÷2,5 V
0÷10 V
5,0 V
0÷5,0V
0÷20 V
Once the available analog inputs have been located, before to connect them, they must be properly
configured either by hardware and software, as described in the following paragraphs.
RS 232 CONNECTION BETWEEN ACQUISITION HW AND SAVING HW
The acquisition hw and the saving hw must be interconnected through a serial communication line,
selectable by the user. When an asynchronous RS 232 connection has been choosen, the two units
must be linked with the cable described in the following figure:
AMP MODU II
FEMALE 4+4
AMP MODU II
FEMALE 4+4
RX RS232
5
3
RX RS232
TX RS232
5
3
GND
7
CN1
S-LOG
CN5
GAB H844
TX RS232
GND
2
FIGURE 1: RS 232 CONNECTION BETWEEN GAB H844 AND S-LOG
Female connectors for this cable are directly available between grifo® accessories, and they can be
ordered by using the codes CKS.AMP8 or AMP8.Cable, as described in APPENDIX A of the
manual.
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I2C BUS CONNECTION BETWEEN ACQUISITION HW AND SAVING HW
The acquisition hw and the saving hw must be interconnected through a serial communication line,
selectable by the user. When an synchronous I2C BUS connection has been choosen, the two units
must be linked with the cable described in the following figure:
AMP MODU II
FEMALE 4
AMP MODU II
FEMALE 4+4
SCL
SCL
CN8
GAB H844
SDA
SDA
4
3
GND
CN1
S-LOG
6
2
GND
2
4
FIGURE 2: I2C BUS CONNECTION BETWEEN GAB H844 AND S-LOG
Female connectors for this cable are directly available between grifo® accessories, and they can be
ordered by using the codes CKS.AMP4, AMP4.Cable, CKS.AMP8, AMP8.Cable, as described
in APPENDIX A.
RS 232 CONNECTION BETWEEN ACQUISITION HW AND CONFIGURATION PC
The acquisition hw must be connected, through the RS 232 line, to a PC that perform its software
configuration. Generally this configuration is performed only one time, before than SL-Data is
installed in the application under development; consequently this connection is not required during
standard work, when installation is already completed.
AMP MODU II
FEMALE 4+4
SUBMINIATURE
FEMALE DB9
TX
5
3
TX RS232
RX
3
2
GND
7
GND
PC serial line
COMx
CN5
GAB H844
RX RS232
5
FIGURE 3: RS 232 CONNECTION BETWEEN GAB H844 AND CONFIGURATION PC
Female connectors for this cable are directly available between grifo® accessories, and they can be
ordered by using the codes CKS.AMP8 or AMP8.Cable, as described in APPENDIX A.
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RS 232 CONNECTION BETWEEN SAVING HW AND CONFIGURATION PC
The saving hw must be connected, through the RS 232 line, to a PC that perform its software
configuration. Generally this configuration is performed only one time, before than SL-Data is
installed in the application under development; consequently this connection is not required during
standard work, when installation is already completed.
AMP MODU II
FEMALE 4+4
SUBMINIATURE
FEMALE DB9
TX
CN1
S-LOG
5
3
TX RS232
RX
3
2
GND
2
GND
PC seriale line
COMx
RX RS232
5
FIGURE 4: RS 232 CONNECTION BETWEEN S-LOG AND CONFIGURATION PC
Female connectors for this cable are directly available between grifo® accessories, and they can be
ordered by using the codes CKS.AMP8 or AMP8.Cable, as described in APPENDIX A.
RELAYS OUTPUTS CONNECTION
The SL-Data acquisition hw includes up to 4 digital relays outputs, that can be connected to motors,
lamps, indicator lights, hooters, drivers, electric valves, etc.
For details on these signals please read the manuals of the used cards, where the pin out, the
connection modalities and their availability are fully described.
In SL-Data functionalities one outputs is used to signalize possible malfunctions or anomalies of the
system, as indicated in the following paragraphs.
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HARDWARE CONFIGURATIONS
The SL-Data hw requires an hardware configuration in order to correctly perform its work,
according with the connections described in previous paragraphs and the functionalities described
in following chapters.
The hardware configuration that must be performed is summarized below:
Acquisition hw (GAB H844 + Mini Module):
Asynchronous serial line -> RS 232 buffered
CAN line termination
-> Don't care (*1)
Vrefreference voltage
-> Depends on selected Mini Module (see cards couple manuals)
Analog inputs
-> Depends on connected signals (*1)
Digital inputs
-> Connected to optocoupled NPN or PNP inputs.
USB shielding
-> Don't care (*1)
Operating mode
-> RUN
Saving hw (S-LOG):
Asynchronous serial line
Power supply voltage
Back up battery
Operating mode
->
->
->
->
RS 232 buffered
Don't care (*1)
Connected
Reception and data saving mode
(*1) The configuration is meaningless for the base functionality of SL-Data and it can be freely
choosen by the user, according with his requirements.
The configurations can be performed through a simple and fast intervent on the jumpers and dip
switches available on the boards, as described in the proper technical manuals. These last in fact
report the positions, the connections and the descriptions of all the elements dedicated to hardware
configuration of the card.
The above listed configurations refer to final operating condition of SL-Data and they must be
partially changed during the development phase and the software configuration, as described in next
paragraphs.
SOFTWARE CONFIGURATION
In order to complete the SL-Data installation, it must be performed a software configuration, too.
With the software configuration the user can define many working modalities as: the used
communication line, the type of connected analog signals, the acquisition time and type, the features
of the acquired physic measures, the prefix and suffix added to saved data, the number and the name
of the files generated on memory card, etc. The listed working modalities refer either to acquisition
and saving hws, so botht them must be software configured.
A detailed description of software configuration can be found in the paragraph SL-DATA
CONFIGURATION and in the chapter HOW TO START.
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FUNCTIONALITIES
The SL-Data is a data logger for analog signals that saves the performed measures on a removable
memory card. In this chapter are described all the executed functions, properly divided in three main
subgroups.
SL-DATA CONFIGURATION
As described in ISTALLATION chapter, both the systems that realize the SL-Data (acquisition and
saving hws) must be configured by software, before they can be used. The software configuration
defines many aspects of the final product functionalities, especially for the acquired signals and
saved data. In normal working conditions the software configuration must be performed only one
time during the installation or when the use conditions, and/or user requirements, change.
ACQUISITION HW CONFIGURATION
The acquisition hw can be software configured by performing the following steps:
ca1) Connect the RS 232 line of acquisition hw to a PC, as described on figures 3 and 5.
Power supply:
8÷24 Vac,
10÷38 Vdc
RS 232 serial line
FIGURE 5: CONNECTIONS FOR ACQUISITION HW CONFIGURATION
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ca2) On PC execute a terminal emulation program, set to:
19200 Baud,
8 Bits,
1 Stop bit,
No Parity,
No Handshake,
for the COMx serial line, connected at point ca1.
ca3) Enable the configuration mode by suppling power to acquisition hw, with all the digital inputs
enabled. If digital inputs have been connected to optocoupled inputs of GAB H844 (as stated
in HARDWARE CONFIGURATION paragraph) it is sufficient a short circuits on all the 5
pins of CN3. In other words, when power is supplied if the pins are short circuited then the
acquisition hw starts in configuration mode, viceversa it starts in acquire and saving mode. The
user can arrange a quick release female screw driver connector, with all the 5 pins wired
together, and connect it to CN3 of GAB H844 to start or not the software configuration of
acquisition hw.
ca4) Once the configuration is enabled the user can interact with acquisition hw through the PC
previously connected, that works as a serial console. On the PC's monitor all the provided
configurations will appear in sequence, as described in the following steps.
ca5) Select the representation language between English and Italian, by typing the relative first
letter. Please remind that this choice concerns only the language used in acquisition hw
configuration, not in all the other SL-Data operations.
ca6) Examine the status line immediately displayed after: here there are the SL-Data firmware
version and the Mini Module name, used in acquisition hw. This line is not a configuration to
perform and it has only information purpose; moreover this is the only point where the user can
get the firmware version.
ca7) Select the communication line that it will connect the acquisition hw and the saving hw,
between RS 232 and I2C BUS, by typing the relative first letter. For details and other info about
the communication line selection, please read the ACQUIRE AND SAVING paragraph.
ca8) Examine the information line displayed immediately after: here are summarized the
configurations to perform on the saving hw S-LOG, in order to complete the selection of
communication line.
ca9) Select the acquisition time by typing the relative letter. Please remind that are available 18
predefined values equal to 1 sec, 2 sec, 5 sec, 10 sec, 20 sec, 30 sec, 1 min, 2 min, 5 min, 10
min, 20 min, 30 min, 1 hour, 2 hour, 5 hour, 10 hour, 12 hour, 24 hour or a value in secondss
inserted by user (Other).
The acquisition time is the time elapsed between one acquisition and the following one and the
time distance of data saved on memory card.
ca10) Select the features of the analog signals connected to acquisition hw that are the electric signal
type and the engineering unit of the relative physic measure. The electric signal can be selected
among the 4 available on GAB H844 (0÷Vmv, 0÷Vmv*4, 0÷20 mA, 4÷20 mA) by typing the
associated letter, while the engineering unit is defined by inserting the begin scale plus end
scale values, of the acquired measure. Both the scale values are composed by 8 maximum
digits, including sign and decimal point, thus they accept values included in -9999999÷99999999
range.
The terns of configurations just described must be repeated for each analog input signal and
the number of inputs changes according with acquisition hw. During the configuration it is also
displayed the name of the input in order to simplify the recognition and connection of the
sensors.
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ca11) Select the acquisition type between Direct and Filtered, by typing the relative first letter. With
the acquisition type the user can decide if the analog signals are converted only one time
(direct), or 8 times and then averaged (filtered) resulting in more stable values.
ca12) At this point the configuration is complete and the user must select to confirm the performed
settings or viceversa abort them. With the first choice the acquisition hw firmware saves the
settings, exits from configuration mode and automatically passes to acquire and saving mode;
viceversa with the second choice the configuration restarts from first selection (point ca5) and
the last inserted settings are re-proposed.
ca13) When the user exits from configuration, the performed settings are accepted and saved on
EEPROM in order to be always available, even after a power on. Moreover they are equipped
with specific algorithms and reliability controls that ensure the settings validity in any working
conditions.
ca14) In the software configuration of the acquisition hw, for each selection it is always suggested
a starting value that is the previous setting. At this point the user can delete it with the backspace
key and then type the new one: all valid characters are accepted and shown while every invalid
keys pressed aren't accepted and it is produced an acoustic error feed back, on PC.
In the chapter HOW TO START it is reported a configuration example, complete of figures, that
illustrates all the above steps.
SAVING HW CONFIGURATION
The saving hw can be software configured by performing the following steps:
cs1) Connect the RS 232 line of saving hw S-LOG to a PC, as described on figures 4 and 6.
cs2) Install on PC the program Conf_SLOG, that is the utility software properly developed by
grifo® in order toconfigure the S-LOG in easy and fast manner.
cs3) Arrange the S-LOG for configuration, or position jumper J1 in 1-2 and supply power.
cs4) Arrange the PC for configuration: run the Conf_SLOG program, select the Italian language and
set the PC serial line connected at point cs1, for:
Baud Rate
=
19200
Bits per characters
=
8
Parity
=
None
Stop Bit
=
1
Handshaking
=
None
cs5) Configure the parameters for serial communication, through the specific window of Conf_SLOG,
at the values indicated during acquisition hw configuration (see point ca8) and here listed:
Parameter
RS 232 connection
I2C BUS connection
Communication line:
Async. serial (RS 232,TTL)
Sync. serial (I2C BUS)
Baud Rate:
19200
Don't care
Parity:
None
Don't care
Stop Bit:
1
Don't care
Handshaking:
None (#)
Don't care
I2C BUS slave address:
Don't care
128
Timeout (*20 msec):
250
250
(#) Alternatively it can be chosen the Repeated software (XON,XOFF) setting, in order to allow
the acquisition hw to signalize possible anomaly of saving hw.
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Power supply:
8÷24 Vac,
10÷38 Vdc
RS 232 serial line
J1 in
1-2
FIGURE 6: CONNECTIONS FOR SAVING HW CONFIGURATION
cs6) Configure the parameters for data saving, through the specific window of Conf_SLOG, at the
values listed below:
Parameter
Value
File path and name:
Chosen by user according with application requirements
File duration:
Chosen by user according with application requirements
Insert action:
Verify and format
Group time (*20 msec): 35 (when Group prefix or suffix are used)
File label:
Chosen by user according with application requirements
Group prefix:
Chosen by user according with application requirements
Group suffix:
Chosen by user according with application requirements
Further information on the parameters for saving are available in S-LOG user manual, while
in the chapter HOW TO START it is reported a configuration example, complete of figures,
that illustrates all the above steps.
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DEFAULT CONFIGURATION
After the first power supply and whenever the saved configuration settings are not valid, the SL-Data
restores a default or base configuration, featured by the following values for its parameters:
Acquisition hw:
Representation language:
Communication line:
Acquisition time:
Electric signal type:
Begin scale:
End scale:
Acquisition type:
English
I2C BUS
10 sec
0÷Vmv
0.000000
100.0000
Direct
Saving hw:
Communication line:
Baud Rate:
Parity:
Stop Bit:
Handshaking:
I2C BUS slave address:
Timeout (*20 msec):
File path and name:
File duration:
Insert action:
Group time (*20 msec):
File label:
Group prefix:
Group suffix:
Asynchronous serial (RS 232,TTL)
19200
None
1
None
128
250
SLOG.DAT
None
None
255 (disabled)
None
None
None
This values has been selected in order to simplify the first use of SL-Data and contemporaneously
in order to recognize the incomed anomaly. For this purpose some physic signalations have been
provided; they inform the possible user located in the installation place, as described in the following
paragraph.
ACQUIRE AND SAVING
The acquire and saving of SL-Data is the mode generally used, in fact it performs the real work of
data logger for ananlog signals. As described in the previous paragraphs, dedicated to SL-Data
configurations, the functionalities can be adapted to user requirements by setting the available
configuration parameters. When the adaptation is not sufficient it is necessary to modify the
management firmware, by following the indications of the last chapter FIRMWARE.
In the acquire and saving mode the operations that must be executed by user and those performed
by SL-Data, are summarized in the following steps:
as1) Connect the acquisition hw to the fields analog signals (sensors) and to saving hw through the
communication line selected in configuration, at point ca7 and cs5. For details please see
figures 1, 2, 7, 8 and the paragraphs RS 232 ASYNCHRONOUS COMMUNICATION, I2C
BUS SYNCHRONOUS COMMUNICATION.
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Up to 8 analog inputs:
0÷Vmv, 0÷Vmv*4,
0÷20 mA, 4÷20 mA
Power supply:
8÷24 Vac,
10÷38 Vdc
ITALIAN TECHNOLOGY
Power supply:
8÷24 Vac,
10÷38 Vdc
RS 232
serial line
Relay output alarm
FIGURE 7: CONNECTIONS WITH RS 232 COMMUNICATION
Up to 8 analog inputs:
0÷Vmv, 0÷Vmv*4,
0÷20 mA, 4÷20 mA
Power supply:
8÷24 Vac,
10÷38 Vdc
Power supply:
8÷24 Vac,
10÷38 Vdc
I2C BUS
serial line
Relay output alarm
FIGURE 8: CONNECTIONS WITH I2C BUS COMMUNICATION
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as2) The acquire and saving mode is selected at power on when the conditions that enables the
configuration mode are not active. In details:
Acquisition hw
-> at least one digital inputs of GAB H844 not active.
Saving hw
-> jumper J1 of S-LOG in position 2-3.
as3) Once the acquire and saving mode is started, it checks the configuration parameters saved on
EEPROM and if they are valid then it loads them, viceversa it restore the default values,
described in DEFAULT CONFIGURATION paragraph. In the last case it signalizes the
anomalous condition to possible user that chair the installation.
Please remind that the just described configuration check is performed separately by the two
hws that make up SL-Data, as well as the invalid configuration signalation (see anomalies at
point as11).
as4) At this point the SL-Data enables its timing, based on a periodic interrupt each 10 msec, in
order to satisfy all the required controls of elapsed time. It must be underlined that this timing
is unavoidably affected by a difference, in confront of a real time clock. Consequently if saving
hw is configured to save the current time as suffix of each acquisition, then this time can be
displaced from acquisition time. This difference is a real feature of SL-Data firmware and it
can be eliminated only by using a Real Time Clock even on the acquisition hw, when it is
available.
as5) For any elapsed acquisition time the SL-Data converts all the analog inputs available on
acquisition hw, taking in account the acquisition type that defines if the A/D conversion is
single (direct) or repeated 8 times and then averaged (filtered). In both cases it obtains numeric
values with the resolution of the A/D section on the used Mini Module.
as6) At the obtained numeric values then is applied the typical gain factor of GAB H844 and after
they are converted in engineering units. The last conversion is performed trough a linear
transfer function of first degree (y=m*x+n), obtained by relative parameters begin scale, end
scale and electric signal type defined in acquisition hw configuration, at point ca10.
as7) The obtained measures in engineering units are automatically formatted, in order to supply
always the largest number of meaningful digits. Even the significant digits number is obtained
by configuration parameters plus the points number available in the used A/D converter and
in the defined engineering scale. For example with 10 bits A/D resolution, equal to 1024 points,
the SL-Data will use the following formats according with defined scale:
Engineering scale
Scale points
Scale points / A/D points
Format
0÷1
2
2/1024=0,001953125
x.xxx
0÷10
11
11/1024=0,010742187
xx.xx
0÷100
101
101/1024=0,098632812
xxx.xx
0÷1000
1001
1001/1024=0,977539062
xxxx.x
0÷10000
10001
10001/1024=9,766601563
xxxxx
etc.
In the produced format the digits on the left of decimal point are present only when they are
meaningful; for example with the 0÷1000 scale, if the measure in engineering format is 5, once
it is formatted it becomes 5.0 not 0005.0.
as8) The measures in formatted engineering units are then transmitted to saving hw, with the
addition of new line characters (CR LF) at the beginning and of separation characters (TAB)
among the measures. As even the measures are transmitted in ASCII format, then all the
transmitted and saved data can be examined with any program capable to manage this format
(i.e. text editor, spread sheet as listed in USE OF SAVED DATA paragraph).
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as9) Moreover the acquisition hw verifies the right functionality of saving hw, according with the
performed serial connection. Whenever the verify discovers a malfunction, it is signalized as
described at point as11.
as10) The data transmitted by acquisition hw are received by saving hw that save them on memory
card. The saving hw can autonomously adds informations like group prefix, group suffix, file
label, etc. as defined in the saving hw configuration. These configuration parameters are
completely described in S-LOG user manual where the user can obtain many information and
explanatory examples.
For example with a group suffix properly set , the current time and date can be placed side by
side to measures of every acquisition, the data can be divided in different files, etc.
as11) During its normal work if the SL-Data recognizes some anomalies, then it signalizes them as
follows:
Acquisition hw -> changes status of relay output OUT A1 on GAB H844 each second,
for 3 minutes and then mantains the output always active.
Saving hw
-> sets the visualization LED available on S-LOG, yellow and blinking.
Both the signalations are astable and they remain active until the concerned hardware is turned
off. By this way in the unchaired installations, it is anyway possible to recognize an incomed
anomaly even at a long time distance, when the operator reaches the installation place, for
example when he must replace the memory card.
RS 232 ASYNCHRONOUS COMMUNICATION
When the user decides that acquisition hw comunicates with saving hw through an RS 232
asynchronous serial line, he must interconnect the two units as described in figure 7, with the cable
illustrated in figure 1.
With the RS 232 asynchronous connection, it can be selected two different settings for the
handshaking parameter, in the communication configuration of S-LOG:
None
-> the acquisition hw can't verify the right functionality of
saving hw, and it will never signal this anomaly.
Repeated software (XON,XOFF) -> the acquisition hw can verify the right functionality of
saving hw, and it will signal this possible anomaly.
By chosing this connection, the I2C BUS synchronous serial line of the acquisition hw remain free
and it can be used for other units connection, with a proper intervent on the management firmware.
I2C BUS SYNCHRONOUS COMMUNICATION
When the user decide that acquisition hw comunicates with saving hw through an I2C BUS
synchronous serial line, he must interconnect the two units as described in figure 8, with the cable
illustrated in figure 2.
With the I2C BUS synchronous connection the acquisition hw can always verify the right
functionality of saving hw, and it will signal this possible anomaly.
By chosing this connection, the asynchronous serial line in RS 232 (or RS 422, RS 485, Current Loop,
TTL) of the acquisition hw remain free and it can be used for other units connection (as modem,
operator panel, PLC, PC, etc.), with a proper intervent on the management firmware.
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USE OF SAVED DATA
The functionalities of SL-Data are closed with the extraction of memory card , where all the acquired
measures are saved, and its insertion in a PC capable to hadle it. These operations are summarized
in the following steps:
ud1) During the normal work of SL-Data, the saving hw signalize the writing on memory card by
setting red, the LED of S-LOG.
The operator encharged of memory card extraction must wait that S-LOG's LED is not red and
then remove the card before the next acquisition and saving start. In other words once a saving
is completed, he dispose of an acquisition time for a safety extraction or replacement of the
memory card. When the acquisition time is too short (<5 sec) the operator hasn't enough time
to perform the intervent. In these conditions he must:
- remove serial communication cable between acquisition hw and saving hw;
- proceed with the memory card replacement;
- switch off the SL-Data power supply, in order to clear the possible anomalies signalation,
caused by disconnected cable;
- re-connect the serial cable;
- switch on power supply.
ud2) The memory card extracted from SL-Data can be inserted in a PC provided of multicard
interface and then the file/s available on the card must be copied to PC's hard disk, by using
operating system commands.
The files number and files names are settings defined by the user during saving hw
configuration, with the specific parameters file path and name and file duration, as described
at point cs6.
ud3) Delete the file/s from memory card in order to clear it for a new acquire and saving. This delete
operation can coincide even with a card format, by ensuring the selection of FAT or FAT16
format.
ud4) The final operator can choose how the memory cards are managed in order to take the acquired
data from SL-Data. For example he can decide to use more memory cards and when data must
be taken, he replace the full card with an empty one. Alternatively he can use a single memory
card and data can be taken by using a portable laptop PC carried in the installation location by
the user; here the full memory card is copied, cleared and reinserted directly in the installation
place.
ud5) At this point the data copied on PC can be used by operator according with his needs. All data
are saved in ASCII format, aligned in columns, with one acquisition for each row and
consequently the file/s can be examined by a generic text editor (i.e. Windows Notepad) or
opened and processed by elettronic spreadsheets (Excel). In details the files generated by
SL-Data follow the next rules:
- each acquisition starts with carriage return (CR=13=0DH) and line feed (LF=10=0AH)
characters;
- the measure values are in engineering units defined in configuration (see point ca10) and with
automatic format (see point as7). This means that the digits numbers either before or after the
decimal point change according with the defined scale;
- the decimal point coincide with "." character (46=2EH);
- any value of measures is separated by previous one with an alignement character (TAB=9=09H);
- the number of measures depend on used acquisition hw and it ranges from 4 to 8.
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ud6) Thanks to PC the data can be saved in different files, can be examined, processed, printed,
ordered, archivied, displayed on a graph, etc. according with specific requirements of the final
user. These operations can be performed with programs and/or commands already available
on PC or with specific new programs developed by the user, for example in Visual Basic,
Visual C, Delphi, Java, etc.
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HOW TO START
In this chapter are described the operations necessary for a first use of SL-Data in a linear and quickly
mode, without none beginning problem. In detail it is reported the correct sequence of operations that
user has to execute firstly to configure and then to basically use the product.
In order to semplify the starting phase, in this chapter we suppose to acquire and save every 30
seconds, 4 transducers for physic measures, installed in a green house:
Transducer
Converted physic measure Generated electric signal
Temperature
-50÷150 °C
0÷2,5 V
Humidity
0÷100 %
0÷20 mA
Pressure
800÷1200 mBar
4÷20 mA
Shutter position
0÷1000 mm
0÷10 V
and to be provided of a PC with Windows XP operating system.
1)
Read all the received documentation.
2)
Arrange the SL-Data for working and configuration, that is:
- provide a proper power supply source;
- realize the communication cables described in figure 2, 3, 4;
- open the plastic containers of acquistion hw (GAB H844) and saving hw (S-LOG);
- extract possible memory card from S-LOG;
- plan the PC with all the features described in REQUIREMENTS paragraph.
3)
Perform the hardware configurations of both hws as described in homonimous paragraph. For
the selected application the jumpers must be placed as follow:
GAB H844
J1,J9,J8,JS1
-> not connected
J2,J3,J4,J5,J10,J18,J20,J21
-> 2-3
J13,J14,J15,J16,J17,J19,J22÷J38 -> 1-2
J11
-> depend on used Mini Module
Mini Module
Dip switch or jumpers
-> serial line in RS 232
-> RUN mode
S-LOG
J2
-> connected
J1,J4,J5,J6,J7,J8,J9,J10
-> 1-2
4)
Connect CN5 of GAB H844 to COMx communication line of PC, by using the proper
communication cable , as described in figures 3, 5.
5)
On PC run the HYPERTERMINAL emulation terminal program (Start | Programs | Accessory
| Communication | Hyperterminal), inside the window File | Property select the serial line
COMx connected at point 4, set the physic protocol for the acquisition hw configuration and
define the emulation modalities, as described in figure 9.
6)
Short circuit the 5 pins of connector CN3 on GAB H844 in order to enable all the digital inputs
and thus activate the configuration mode of acquisition hw.
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FIGURE 9: HYPERTERMINAL SETTINGS FOR ACQUISITION HW CONFIGURATION
7)
Supply power to GAB H844 and check that the configuration mode starts and it is shown on
the PC monitor.
8)
Perform the configuration of acquisition hw, by using the instructions listed in homonimous
paragraph and providing the settings reported in following figure.
FIGURE 10: SETTINGS FOR ACQUISITION HW CONFIGURATION
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9)
It is important underline that the values reported in figure 10 are those required by the suggested
application, that the not used signals have mantained the default settings, that acquisitions are
direct and it has been selected the I2C BUS communication line.
10)
Once the configuration exit is confirmed with the inserted settings the acquisition hw starts to
acquire the analog measures and transmit them to saving hw. As the last one is still not
configured and nor connected, the acquisition hw will inevitably signal an anomaly: in this
phase it doesn't care.
11)
Remove power supply from acquisition hw, disconnect the CN3 connector on GAB H844,
remove the serial connection with PC and on the last exit from Hyperterminal program.
At this point the configuration of acquisition hw is completed and we proceed with saving hw
configuration.
12)
Connect CN1 of S-LOG to COMx communication line of PC, by using the proper communication
cable, as described in figures 4, 6.
13)
Install on PC the Conf_SLOG program, that is the utility realized by grifo® to quickly and
easily configure the S-LOG. When the installation program asks to substitute some system
files, please reply to mantain the original ones (Keep).
14)
Run the Conf_SLOG that at the first execution is already set for the English language. If so
it isn't, please change the selction, through the Programma | Lingua | Inglese.
15)
Configure the communication line of PC for physical protocol of S-LOG, through the option
Program | Serial. In the displayed window select the serial line connected at point 12 and the
parameters reported in follow figure.
FIGURE 11: PC SERIAL SETTINGS WITH CONF_SLOG
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Define the parameters for serial communication that S-LOG will use to receive data from
acquisition hw, through Configure | Communication option. Once all the values reported in
next figure have been inserted, press the Set configuration button, then wait the end of
configuration (finished after tens of seconds) and verify that no errors are found (all parameters
on green background).
FIGURE 12: COMMUNICATION CONFIGURATION WITH CONF_SLOG
17)
Define the parameters for saving that the S-LOG will perform on memory card, through
Configure | Saving option. Once all the values reported in figure 13 have been inserted, press
the Set configuration button, then wait the end of configuration (finished after tens of seconds)
and verify that no errors are found (all parameters on green background).
In the suggested application, only one file is created, named GREENH01.DAT, with brief
columns headers (for name and units of the measure) and current date plus time added at the
end of each saving.
18)
Check and if needed set, the current date and time of S-LOG clock, through General | Clock
option.
19)
When configurations and verifies are completed, exit from Conf_SLOG and return to
Windows operating system. Remove the power supply from S-LOG, position jumper J1 in
2-3 and remove the serial connection with PC.
At this point both the hws are completely configured, they can be re-enclosed in the relative
plastic containers and they are ready for the suggested application.
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FIGURE 13: SAVING CONFIGURATION WITH CONF_SLOG
20)
Coonect the sensors (transducers) to acquire to CN4 of GAB H844 and acquisition hw to
saving hw, with the preselected I2C BUS communication line, as described in figure 8.
21)
Format a memory card with FAT or FAT16 format, through the PC, and then insert it in the
saving hw S-LOG.
22)
Supply power to SL-Data and check if the LED on S-LOG becomes green fixed.
23)
From this momemnt each 30 seconds the SL-Data acquires the analog inputs available on
acquisition hw, it transforms them in engineering unit measures, it formats the measures with
the maximum number of meaningful digits and finally saves them on memory card and adds
current time and date.
24)
The user must simply wait the end of necessary observation period of the green house; in the
mean time the S-LOG LED must be normally green fixed and it must becomes red during the
described savings. Contemporaneously the user can also check that the acquisition hw doesn't
signal anomalies (relay output OUT A1 of GAB H844 must be disabled).
25)
When required, the memory card can be extracted from SL-Data, by simply checking that the
S-LOG LED is not red. If so it isn't the user must wait until it is no more red.
SL-Data
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26)
If the extracted card is not replaced within 30 seconds (before than selected acquisition time)
the SL-Data recognizes an anomaly, caused by the impossibility to save the next acquired data,
and it signalizes this alarm by enabling the relay output OUT A1 of GAB H844, every seconds.
After 3 minutes the signalation changes and the same outputs become always enabled and it
can be disabled only with a power off and on of SL-Data.
27)
The removed memory card can be inserted in any PC and here it can be found the
GREENH01.DAT file, that contains all the measures acquired and converted, accompanied by
time and date. This information can be examined opening the file through any text editor, like
NotePad of Windows operating system.
The GREENH01.DAT file must be firstly copied on the PC's hard disk and then deleted from
the memory card: in this way the empty card is ready for the following usage.
28)
In the suggested application the file with logged data can be opened with a spread sheet
program like Excel. In order to correctly perform this operation, the following steps must be
performed:
a) select the File | Open of Microsoft Excel;
b) in the displayed dialog window select the file GREENH01.DAT copied from memory card;
whenever the file is not listed, please remind to set the field File type = All files (*.*);
c) at this point it is shown the windows Text import Wizard - Step 1 of 3 where the following
settings must be performed:
Delimited
Start import from row: 1
File origin: Windows (ANSI)
and press Next to continue;
d) in the second window for text import, perform only the following settings:
Delimiters: Tab
(it must be checked only the Tab item!!)
Text qualifier: "
and press Next to continue;
e) in the third window for text import perform only the following settings:
Column data format: General
Advanced | Decimal separator: .
(point)
Advanced | Thousand separator: '
(apex)
and first press Ok to close the Advanced text import window and then Finish to complete the
file open.
At this point all the logged data are already placed in a table provided of a column for each
measure, one for the time and one for the date.
It is suggested to save the opened file in Excel format, especially if it will be opened and used
other times; it is sufficient supply the File | Save as command, select a Save as type: Microsoft
Excel (*.XLS) and set the same file name, but with XLS extension.
29)
By taking advantage from the several possibilities of Excel, and of Windows operating system,
the same data can be printed, processed, shown on graphics, zipped, archieved, etc. according
with the final user's requirements.
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FIGURE 14: OPEN LOGGED DATA WITH EXCEL
FIGURE 15: GRAPHIC VISUALIZATION OF LOGGED DATA
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FIRMWARE
The two hardware elements that compose the SL-Data are provided of their own management
firmwares, that define the functionalities of the product. The saving hw has a closed firmware
(described in S-LOG user manual) that can't be modified by the user; instead the acquisition hw
firmware can be freely modified by the user, according with his requirements.
In this chapter are described the foundamental information that allow to modify this firmware.
FIRMWARE DEVELOPMENT
The management firmware of acquisition hw can be changed by performing the following steps.
Some operations are obviously complex and articulate and in this paragraph they are briefly
described; the user can found detailed explanations in the specific documentation, as stated in the
same steps.
fd1) Copy all the files that make up the management firmware on PC's hard disk. These files are
supplied by grifo® and coincide with firmware source, executable code ready for acquisition
hw, some surrounding files as header, project, utility, etc.
fd2) Instal and/or arrange the firmware development tools, that is the program for PC encharged to
translate the firmware source in executable code for the selected acquisition hw. Among these
development tools we can remind the numerous distribuited by grifo®: BASIC compilers
(BASCOM 8051, BASCOM AVR, PIC BASIC PRO, etc.), C compilers (uC/51, ICC AVR,
HTC PIC, etc.), PASCAL compilers (KSC-PASCAL-51, Mikro PASCAL, etc.).
The choice of the development tools must be performed by user according with his experiences
and preferences, but it must match the type of microcontroller mounted on Mini Module used
on acquisition hw.
Each development tools is provided of its user's documentation.
fd3) Install and/or arrange the firmware programming tools, that is the program and accessories for
PC, encharged to save the firmware executable code, in the FLASH of the selected Mini
Module. Among these tools we can remind: serial Boot Loader (FLIP, Micro Code Loader,
AVR Bootloader Grifo(r), etc.), ISP programmers (MP AVR/51 USB, MP PIK USB, AVR
ISP MKII, MPLAB ICD 2, etc.). Many programming tools can be integrated in the
development tools described at step fd2; in this way the user obtain a single working
environment on PC and he can save time.
These tools change according with type of microcontroller mounted on Mini Module and they
are completely described in their specific documentation or in the Mini Module technical
manuals.
fd4) Modify the firmware source according with the new requirements of the application to
develop. In this phase the user takes advantages by numerous remarks of the source and by the
firmware description reported in the following paragraphs.
fd5) Compile the modified source of the firmware, through the development tools, by checking that
no errors happen and the new executable code is correctly generated. Generally this code is
saved in a file with the same source name and .HEX extension.
fd6) Program the modified executable code on the Mini Module used on acquisition hw, by
following the instructions of programming tool. In order to perform this step, sometimes it is
necessary an hardware intervent on Mini Module, for example to change the dip switch that
select DEBUG mode.
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fd7) Test the modified code just programmed, directly on acquisition hw, by checking that
everything works fine as required. If bugs and problems come out, the user must repeat the steps
fd4÷fd7 in a cycle, until the desidered functionalities are obtained. At this point the modified
firmware development is finished and the acquisition hw is ready to work joined with saving
hw.
fd8) Whenever the user that has to change the SL-Data functionalities doesn't want to modify the
firmware autonomously, he can ask directly to grifo®.
FIRMWARE DESCRIPTION
The SL-Data firmware changes according with the selected development tool and the Mini Module
used on the acquisition hw. Independently from these choices it can be individualized a common
structure that is described in the following paragraphs. On the other side, the specific specializations
are described in the sources of the same firmwares.
SOURCE HEADER
It is the first part of the source where are described the features of the firmware, the information of
the developing company, the changes made in the released versions and the settings required in order
to use the development tools.
COMPILER DIRECTIVES
They are all the information and directives required to compile the source without errors, or in details:
- the code area start address;
- the data area start and end address;
- the used memories sizes;
- the possible redirections of interrupts and console;
- etc.
DATA STRUCTURE
The firmware uses numerous data structures either global or local types. Below are descrbed the main
ones, with a subdivision that simplify the research and a brief description.
Microcontroller's signals defines
They are the definitions of few signals of microcontroller used for some firmware functions as the
I2C BUS communication (Pinsda, Pinscl), the activity LED management on Mini Module (Ldat),
etc.
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ASCII codes constants
They are one byte constants with the used ASCII codes for visualization and communication or for
the codes of pressed codes on console (Cret, LF, Bell, Tab, Esc, Xon, Xoff, Kret, Kesc, Kbsp, etc.).
Periodic interupts constants
They are two bytes constants with the time values used to generate a periodic interrupt each 10 msec.,
with one of the internal timer of microcontroller. These values are theoretically established from
microcontroller data sheet and then calibrated in order to reduce the unavoidably errors on elapsed
time ((Irq10ms, Rel10ms). If the user want to eliminate the differences on time between saving hw
and acquisition hw, he must use a Real Time Clock also on the second hardware, that is a Mini Module
provided of RTC.
Timings constants
They are two bytes constants with the numbers of periodic interrupts that happens in some time
intervals (1 sec, 2 sec, 5 min) used by some processes of the firmware (Irq1sec, Irq2sec, Irq5min).
Timeout constants
They are two bytes constants with the numbers of maximum cycles that the firmware can perform
during the waiting processes (Ee_timeout, I2c_timeout).
Analog inputs constants
They are constants relative to analog inputs of acquisition hw as the number of available signals
(Maxain), the maximum A/D combinations for the connectable signals types (Vcmbmax, Acmbmax,
Acmb4ma), the gain factor (Gainfact), etc.
Configuration constants
They are constants with the number of bytes allocated by some configuration data, used for reading
and writing the same data from and to EEPROM (Sizeainarr, Sizecnf).
Serial communication constants
They are constants used to define the parameters of the serial communication with saving hw or
configuration console (Slog_sla, Baud, etc.).
General purpose constants
They are all the constants that are not included in previous categories and have general purposes.
General purpose variables
They are all the global variables used as indexes, temporary storages, counters and all the others not
included in following categories (Hlpb, I, Hlpw, Tout, Onestr, etc.)
Console variables
They are global variables used to manage the console during the software configuration (Key, Pch,
Num, Gstr, Choice, Ch1, Ch2, Allch, etc.).
I2C BUS variables
They are global variables used to manage the I2C BUS synchronous communication with saving hw
(I2cbit, I2cack, I2cbyte, Erri2c),
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A/D variables
They are global variables used for the A/D converter section (Chad, Cmbad).
EEPROM variables
They are global variables used for reading and writing data from/to EEPROM (Datee, Addee).
Buffered I/Os variables
They are global variables used for mantaining the status of buffered digital inputs (Bufin) and the
status of relays outputs (Bufout).
Configuration variables
They are global variables used for managing the configuration (Confok, Crcr, Crcc, ...) and for
storing the software configuration parameters of acquisition hw, as described in homonimous
paragraph, and permanently saved on EEPROM (Language, Comline, Atime, Atimesec, Anatype(),
Anabeg(), Anaend(), Afilter).
Counters variables
They are global variables used as counters of the firmware events, like the allarms and anomalies
(Alrcnt, Oldalrcnt), the interrupts (Irqcnt, Debcnt, Atimeirq), etc.
Program variables
They are global variables used for different functions of the program. Among these it is important
remind the coeficients of linear transfer functions y=m*x+n (Mtf(), Ntf()), those for the analog inputs
(Ain, Inad(), Ingab()), those for measures in engineering units (Decdig(), Meas) and others (Clrcnt,
Slogok, Consi2c, ...).
ROUTINES
The firmware includes and uses some subroutines that perform operations either dedicated to hw
sections and perform functionalities of the acquisition hw. Below are descrbed the main ones, with
a subdivision that simplify the research and a brief description.
Periodic interrupt service routine
This routine first of all re-set the Timer in order to proceed the periodic interrupt generation and then
increments the variable that counts the number of happened interrupts, used to check if the
acquisition time is elapsed. Furthermore, in order to avoid aliasing problems, the same variable can
be cleared by the routine, when a proper flag is active.
Finally the routine update the time counter for the anomalies or allarms signalations.
Console output redirection routine
This routine manage the representation of a single character on a selected console device. The
available console device are 2 (RS 232 asynchronous serial line or I2C BUS synchronous serial line)
and they are selected by proper global flag Consi2c. The choice of redirecting the console is certainly
profitable; in fact it allows the programmers to transmit the data to S-LOG with both the
communication lines supported by SL-Data, through the powerful high level instructions dedicated
to console, of the selected programming language (PRINT with BASIC, printf() with C, Write() with
PASCAL, etc.). The programmers can obviously use all the possibilities offered by these instructions,
as those for showing (equal to saving) characters, text and variables of each type, those for aligning
data, those for formatting data, etc.
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Configuration data acquisition routines
These routines acquire all the parameters for the software configuration of the acquisition hw, either
in alphabetic format (Getchr()) or numeric (Getnum()). The routines interacts with the user through
an RS 232 serial console and they check if the user selections are valid, too.
A/D routines
They include the routine that initializes the A/D converter section of Mini Module (Adinit()) and
those that converts the analog inputs in polling (Adconv(chad)).
EEPROM routines
They are the routines used for reading and writing a byte from/to EEPROM at a specified address
(Rd_ee(), Wr_ee()).
Buffered I/Os routines
They are the routines used for acquiring the status of buffered digital inputs (Get_bufin()) and for
setting the status of relays outputs (Set_bufout(bufout)).
I2C BUS routines
They are the routines used to manage the I2C BUS synchronous communication with saving hw, in
master transmit mode (Ini_i2c(), Del_i2c(), Wrbit_i2c(), Rdbit_i2c(), Start_i2c(), Stop_i2c(),
Wrbyte_i2c(), Rdbyte_i2c()).
Configuration routines
They are the routines used for managing the software configuration of acquisition hw, as described
in homonimous paragraph, and permanently saved on EEPROM. Among these routines there are
those that initialize, acquire and store the configuration parameters (Defcnf(), Rdcnfee(), Wrcnfee()),
one that verifies the validity of the parameters saved on EEPROM with specific safety algorithms
(Getchkcnf()) and finally those that manage the software configuration with the user (Conf(),
Is_conf()).
All the configuration routines use the homonimous global variables and they always define the values
of all the configuration parameters.
Initialization routines
These are the routines that initializes the hardware peripheral devices, not listed in previous
categories, and the system variables (Inihw(), Inivar(), Check(), Tmr0irqinit()).
Firmware functionalities routines
In this category are inluded the routines that perform all the SL-Data functions, through the other
already described routines. In detail we remind those that gets the current number of periodic
interrupts with anti aliasing debouncing (Deb_irqcnt()); those that start and stop a saving on S-LOG
(Start_save(), Stop_save()); the one that acquires, processes, transforms and saves the analog
measures (Getsave_ain()); the one that verifies the possible anomalies and allarms and when active,
it signalizes them (Alarm()).
The routine Getsave_ain() needs a detailed description in fact it performs in sequence the following
operations, on all the analog inputs available on acquisition hw:
- acquire the analog input, convert it in numeric combination, through the A/D converter;
- apply the gain factor of GAB H844 to acquired combination;
- converts the combination in engineering units measure with the relative linear transfer function
y=m*x+n, by using the coeficients stored in the program variables;
- format the engineering units measure with the maximum number of meaningful digits;
- transmit the formatted measure to saving hw, complete of proper separators.
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Start
Initializes peripheral devices of acquisition hw: digital I/O lines, A/D converter, serial lines, Timer, Interrupts
Initializes data structures: constants, variables, arrays, etc.
Load acquisition hw configuration from EEPROM
Configuration is valid
No
Yes
Set base configuration = default
Saves configuration on EEPROM
Configuration mode active (all digital
inputs enabled for 1 second)
Yes
No
Manage user configuration through serial console RS 232
Saves configuration on EEPROM
Obtain work variables by starting from acquisition hw configuration (transfer function,
meaningful digits for automatic format, etc.)
Acquisition time elapsed
No
Yes
Current analog input = first available on acquisition hw
Acquire current analog input with 1 or 8 A/D conversions, according with
acquisition type
Process A/D combination with gain factor and convert it in engineering
unit, through linear transfer function y=m*x+n
Convert engineering unit measure in string by mantaining the maximum
number of meaningful digits
Transmit the formatted measure in engineering unit to saving hw, through
the selected communication lne (I2C BUS or RS 232)
Transmit separation characters for measures and/or acquisitions to
saving hw
Yes
Current analog input is the last one available on
acquisition hw
No
Manage anomalies or allarms with proper signalations
FIGURE 16: FLOW CHART OF ACQUISITION HW FIRMWARE
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Debug routines
They are a group of routines (Ad(), Eeprom(), Iobuf(), ...) that allows to debug either the acquisition
hw and its firmware. In the firmware there are also other instructions for debugging, in the critical
points of the source. All the debug instructions are inserted with the conditional compile technique
and they can be added or removed from executable code, with a simple modification of the ISdebug
or Debug constant. Generally the debug instrunctions show variables and informations on the RS 232
serial console; but for some development tools there could be other possibilities: the user can read
the relative documentation.
MAIN PROGRAM
The main program of the firmware includes the instructions that perform all the functionalities of
acquisition hw, by using the routines described in previous paragraph. In details the main program:
- initializes all the acquisition hw, by calling the routine Inihw();
- initializes the variables, by calling the routine Inivar();
- reads the configuration parameters from EEPROM and if they are valid stores them in proper
variables, viceversa sets the default values, by calling the routine Chkconf();
- if configuration mode is enabled manage it and saves the new parameters (inserted by user) on
EEPROM, by calling the routine Is_conf();
- starts and endless loop that:
- - verifies if the acquisition time is elapsed through the periodic interrupts counter and the routine
Deb_irqcnt();
- - when the time is elapsed it acquires, processes, transforms, formats and saves the measures
associated to analog inputs, by calling the routine Getsave_ain();
- - verifies and signals the possible anomalies and allarms, by calling the routine Alarm();
- - when the debug instructions are active and the user has pressed a key on console it enters in the
test modality where, through a menu, he can verify the functionality of hardware and firmware.
The operations just listed are graphically displayed in the flow chart of figure 16.
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APPENDIX A: DEFAULT CONFIG., OPTIONS, ACCESSORIES
In corrispondence of the first purchase, or after a reparation, the SL-Data is supplied in its base
configuration. The features of this configuration has been described many times in the manual (by
using also the name default configuration) and in this appendix they are summarized.
PARAMETER
DEFAULT
SETTING
FUNCTION
Representation
language
English
Representation language used in software configuration
of acquisition hw = English
Communication line
I2C BUS
Communication line used for data exchange with saving
hw = I2C BUS synchronous serial line
Acquisition time
10 sec
Acquisition time for analog inputs and saving of
relative measures on memory card
Electric signal type
0÷Vmv
Type and range of ananlog inputs (the Vmv max. value
voltage depend on used acquisition hw)
0.000000
Begin scale for the measures in engineering units
(together with end scale defines a 0÷100 range, equal to
a percentage value, that can be easily used on each
acquired measure)
End scale
100.0000
End scale for the measures in engineering units
(together with begin scale defines a 0÷100 range, equal
to a percentage value, that can be easily used on each
acquired measure)
Acquisition type
Direct
Analog inputs acquired with a single A/D conversion
Begin scale
FIGURE A1: DEFAULT SOFTWARE CONFIGURATION OF ACQUISITION HW
The values listed in previous table can be modified through the configuration mode, as described with
details in the homonimous paragraph.
The default hardware configuration of acquisition hw is reported in the technical manuals of
GAB H844 and of selected Mini Module.
The default hardware and software configurations of saving hw are reported in the user manual of
S-LOG.
SL-Data can be also provided of some options, added during order phase, to both the hws. Please
refer to just listed manuals, to get information about these possible options.
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Moreover there are a list of accessories that simplify and speed up the use of the module. Among these
ones we remind:
- CKS.AMP4
kit composed by female AMP Mod II 4 pins, plus 4 contacts to crimp;
FIGURE A2: CKS.AMP4 CONNECTION ACCESSORY
These components can be acquired directly from AMP dealers by using P/N 280359 and
P/N 182206-2.
- AMP4.Cable complete connector with 4 coloured wires, 1 metre length;
FIGURE A3: AMP4.CABLE CONNECTION ACCESSORY
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- CKS.AMP8
kit composed by female AMP Mod II 8 pins, plus 8 contacts to crimp;
FIGURE A4: CKS.AMP8 CONNECTION ACCESSORY
These components can be acquired directly from AMP dealers by using P/N 280365 and
P/N 182206-2.
- AMP8.Cable complete connector with 8 coloured wires, 1 metre length;
FIGURE A5: AMP8.CABLE CONNECTION ACCESSORY
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- EL 12
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power supply for direct connection to mains voltage at 230 Vac, 50 Hz, that
generates an output voltage of 12 Vac, suitable for SL-Data power supply. Further
information are available in POWER SUPPLY CONNECTION paragraph.
FIGURE A6: EL 12 POWER SUPPLY ACCESSORY
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APPENDIX B: ALPHABETICAL INDEX
A
A/D converter 19, 33, 34
AC source 8, A-4
Accessories 9, 10, 11, A-2
Acquire and saving 17
Acquisition hw 3, 10, 13, 19, 24
Acquisition time 7, 14, 17, 19, 21, A-1
Acquisition type 7, 15, 17, 19, A-1
Address 31
Alignement 7, 21
AMP4.Cable 10, A-2
AMP8.Cable 9, 10, 11, A-3
Analog acquisition 7
Analog inputs 9, 14, 17, 27, 32, 34
Anomalies 11, 19, 20, 25, 27
Applications 4, 16, 23
ASCII 7, 19, 21, 32
Assistance 1
Asynchronous 20
B
Baud rate 14, 15, 17, 24, 25
Begin scale 14, 17, 19, A-1
Bits per character 14, 15, 24, 25
Boot Loader 30
C
Cables 6, 9, 10, 11, 23, 25
Card format 7
CKS.AMP4 10, A-2
CKS.AMP8 9, 10, 11, A-3
Communication 7, 9, 10, 15, 17, 20, 25, 26, 32
Communication line 14, 15, 17, A-1
Compiler directives 31
Compilers 30
COMx 14, 23, 25
Conf_SLOG 15, 25
Configuration 13, 15, 23, 26, 27, 32, 33, 34, A-1
Configuration saving 7
Connections 8, 13, 16, 18
Analog inputs 9
Digital inputs 8
I2C BUS between acquisition hw and saving hw 10
Power supply 8
Relays outputs 11
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RS 232 between acquisition hw and configuration PC 10
RS 232 between acquisition hw and saving hw 9
RS 232 between saving hw and configuration PC 11
Console 14, 31, 32, 33
Constants 32
Container 1, 23
Copyright 2
Counters 33
Current 7, 9, 23
D
Data acquisition 34
Data format 7
Data logger 4, 17
Data structure 31
Date 20, 26, 27, 28
Debug 31, 36
Decimal point 21
Default configuration 17, A-1
Definitions 3
Development tools 30
Digital inputs 8, 14, 19, 23, 33, 34
Digits 7, 14, 19, 21, 34
Dip switches 12
Direct 7, 15, 17, 19, A-1
Directive 1
Documentation 1, 6
E
EEPROM 7, 19, 33, 34
EL 12 A-4
Electric signal type 14, 17, 19, A-1
Electrostatic noises 1
End scale 14, 17, 19, A-1
Engineering unit 7, 19, 21, 27, 34
English 14, 17, 25, A-1
Errors 30
ESD 1
Excel 21, 28, 29
Executable code 30
F
FAT 7, 21, 27
FAT16 7, 21, 27
File duration 16, 17, 21
File label 16, 17, 20
File path and name 16, 17, 21
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Files 20, 28
Fill up time 7
Filtered 7, 15, 19
Firmware 17, 30
Firmware description 31
Firmware development 30
First degree 7, 19
FLASH 30
Flow chart 35
Format 16, 19
Functionalities 13
G
Gain factor 19, 34
General information 4
Graphic 29
Green house 23
Group prefix 16, 17, 20
Group suffix 16, 17, 20
Group time 16, 17
H
Handshake 14, 15, 17, 24, 25
Hard disk 6
Hardware configurations 12
Header 30
How to start 23
Humidity 23
Hyperterminal 23
I
I2C BUS 7, 10, 14, 15, 17, 18, 32, 34, A-1
Information 4
Initialization 34
Insert action 16, 17
Installation 8, 25
Interfaces 6
Interrupts 19, 31, 32, 33
Introduction 1
ISP 30
Italian 14
J
Jumpers 12, 15, 19, 23, 26
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L
Language 14, 25
LED 20, 21, 27
M
Main program 36
Malfunctions 11, 20
Meaningful digits 7, 19, 27, 34
Measure unit 7
Measures 7, 19, 21, 27, 28
Memories 6, 31
Memory card 6, 7, 20, 27
Mini Module 3, 6, 12, 23, 30
MMC 7
Monitor 6
Mouse 6
O
Operating system 6, 23
Options A-1
P
Parameters 15, 16, 26, A-1
Parity 14, 15, 17, 24, 25
PC 6, 10, 11, 13, 15, 21
Periodic interrupts 19, 32, 33
Physical protocol 7, 14, 15, 24, 25
Points 19
Power supply 6, 8, 14, 15, 24, 27, A-4
Pressure 23
Processing 28
Programmers 30
Programming tools 30
Project 30
Protection 1
R
Range 9
Real Time Clock 19, 32
Realese 3
Redirections 31, 33
Relays outputs 11, 20, 33, 34
Representation language 14, 17, A-1
Requirements 6, 23
Resolution 19
Routines 33
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RS 232 7, 9, 10, 11, 13, 14, 15, 18, 20, 23
Rules 1
RUN mode 23
S
Safety 1
Save data 20, 22, 27
Saving hw 3, 11, 15, 19
Scale 7, 14, 19
SD 7
Sensors 9, 17, 23, 27
Separation characters 19, 21
Separators 34
Serial line 6, 9, 10, 11, 14, 15, 20
Short circuits 14, 23
Shutter position 23
Signalation 19, 20, 28
Signals acquired 7
Signals defines 31
Signals types 7, 9, 14, 19
Slave address 15, 17
Software configuration 10, 11, 12, 13, 15, 24, A-1
Source 30
Source header 31
Stop bits 14, 15, 17, 24, 25
Synchronous 20
T
Temperature 23
Terminal emulation 14, 23
Time 20, 26, 27, 28
Timeout 15, 17, 32
Timings 32
Timings resolution 7
Trademarks 2
Transducers 23, 27
Transfer function 7, 19, 34
U
Use of saved data
Utility 30
21
V
Variables 32
Version 3, 14
Video card 6
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Vmv 9, 14, 17, A-1
Voltage 7, 9, 23
W
Warranty
Web 6
1, 2
X
XOFF 15, 20
XON 15, 20
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