Schneider Electric TSXDEM2412 / 2413 Time-stamping Modules User Guide

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Belge

Reklam

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General contents

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Section

1 General introduction

1.1 Intelligent modules

1.1-1 Introduction

1.1-2 Use

2

1.2 TSX DEM 2412 and TSX DEM 2413 modules

1.2-1 Description

1.2-2 Physical appearance

Operation

2.1 Hardware structure

2.1-1 Power section

2.1-2 Time-stamping section

2.1-3 Dialog section

2.2 Software structure

2.3 Time-stamp processing

2.3-1 Setting the module time

2.3-2 Time-stamping changes of state

2.3-3 Detection of oscillating inputs

2.3-4 Management of a message buffer

2.4 Dialog with the PLC

2.4-1 General

2.4-2 Discrete interface

2.4-3 Register interface

2.4-4 Message interface

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2.5 Module operating modes

2.5-1 Description

2.5-2 Actions on operating modes

2.5-3 Behaviour on power breaks and power returns

2.5-4 Behaviour in STOP mode

2.5-5 Behaviour when PLC is stopped

2.5-6 Effect of faults on operating modes

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General contents

Section

3 Configuration

3.1 Principle

3.1-1 General

3.1-2 Configuration data

3.1-3 Bits associated with the configuration

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3.2 Parameters

3.2-1 Channel configuration

3.2-2 Selection of channels to be logged

3.3 Default configuration

3.4 Loading the configuration

3.4-1 Data entry

3.4-2 Transferring the configuration to the module

3.4-3 Configuration check

Use

4.1 Setting the time

4.1-1 Principle

4.1-2 Transferring the time reference to the module

4.1-3 Acceptance of time reference by the module

4.2 Time-stamp operation

4.2-1 Principle

4.2-2 Description of data

4.2-3 Data processing

4.3 Diagnostics : fault processing

4.4 Additional requests

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General contents

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Section

5 Example of use

5.1 Application description

5.2 Hardware configuration

5.3 Implementation

5.3-1 Assignment of variables

5.3-2 Message processing illustration

5.3-3 TSX DEM 2412 module configuration

5.3-4 Programming

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6 Module installation

6.1 Selection of slot and locating device

6.2 Configuring the module under X-TEL

6.2-1 PLC version V4 or earlier

6.2-2 PLC version V5 or later

6.3 Connection

7 Specifications

7.1 Consumption

7.2 Input characteristics

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General contents

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Section 1

General introduction

1.1 Intelligent modules

1.1-1 Introduction

Intelligent modules are pre-programmed processing units designed by Telemecanique for distributed processing of applications.

These modules are designed in the following way :

Structure of an intelligent module

PLC bus

Application inputs

Bus interface

Shared memory

Processing unit

Dedicated section

Application outputs

They comprise :

. A bus interface using standard methods of communication between the PLC processor and the module :

- Discrete interface

- Register interface

- Message interface

. A shared memory where data which can be accessed by the module or the PLC processor are stored.

. A processing unit which comprises a processor (two in the case of the time-stamping module) and the operating software.

. I/O dedicated to the module.

1.1-2 Use

Using a processor and pre-programmed functions, intelligent modules simplify the user program.

These functions are configured by the user, and operation of these modules requires expertise in using PL7-3 software. It may therefore be necessary to refer to the language manuals, for additional information.

Time-stamping modules are programmed using a later version of PL7-3 than V4.

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1.2 TSX DEM 2412 and TSX DEM 2413 modules

1.2-1 Description

The time-stamping module is available in 2 versions, one for 24 V DC inputs, the other for 48 V DC inputs.

General

TSX DEM 2412 and DEM 2413 modules can read type 1 discrete inputs, and timestamp the changes of state of these channels.

The DEM 2412 module comprises 24 x 24V DC discrete input channels.

The DEM 2413 module comprises 24 x 48V DC discrete input channels.

Note :

In the remainder of this document, the name TSX DEM 24 is used instead of the above references.

The module has an internal clock set to the correct time by the application program. The reference time can be from the CPU real-time clock or from a source external to the PLC, transmitted to the CPU via a communication interface. The various time-stamping modules are synchronized via the dedicated input on each module (this is the synchronization pulse).

Functions

The module performs the following functions :

• Acquisition of the state of the inputs and transmission to the CPU.

• Detection and time-stamping of changes of state in milliseconds.

• Recording a series of changes of state with an indication of the state of the message stack.

• Detection and indication of oscillating inputs (indicating faulty inputs).

• Monitoring of external power supply and presence of terminal block.

• Transmission to the CPU of all data relating to :

- the input which has changed

- the new state of the input

- the time of change

- the state of the message stack

• Programming the periodic message logging which shows the state of the channels.

• Dynamic selection of channels to log.

I/O

• 24 discrete inputs.

• 1 input for synchronizing the module clock.

• 1 synchronization output for controlling other time-stamping modules.

Exchanges from the process to the module

• The module reads the inputs.

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General introduction

• The module transmits a synchronization pulse to other modules (maximum of 32).

This signal is an amplification of the synchronization input.

Exchanges from the module to the PLC processor

The module gives information on :

• The state of the inputs.

• The presence of the terminal block and power supply, the state of logging.

• Information relating to the change of state : State, time of change.

• Information relating to the message stack : saturated, 70 % full, empty.

• Information relating to synchronization of the clocks (local or external) : synchronization fault.

• Pulse image.

Exchanges from the PLC processor to the module

The module waits for :

• The configuration which is programmed by the user. It sets the operating characteristics for the module (channels to monitor, digital filtering selected, etc).

• The time reference for setting the time of its local timer.

• Operating commands : channels to time-stamp, message purge, etc.

PLC Processor

IWxy

OWxy

Ixy

TXT

➤

➤ ➤

Module n*

TSX DEM

Module n + 1

➤

TSX DEM

➤

➤ ➤

Synchronization pulse

* n = 32 modules maximum.

Input interface registers

Output interface registers

Discrete interface

Text block

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Safety

The inputs are protected against industrial interference (500 microsecond filtering), against reversed polarity and are electrically isolated from the internal voltages.

The synchronization input and output are electrically isolated via an isolated block of discrete inputs and associated logic. The synchronization input is filtered at 500 microseconds.

The modules and terminal blocks can be inserted and removed while the PLC is powered up.

Ease of use

The PLC processor is continuously informed of the state of the module and the user program can access all the data for use if required.

1.2-2 Physical appearance

The TSX DEM 24 module is a single format module. It must be inserted in equipped I/O racks which have a complete bus.

This module is composed of the following elements :

➀

A metal case which mechanically protects the electronic circuits of the module and provides protection from electromagnetic interference.

➁

Front panel.

➂

A 32-pin connector for connection using the TSX BLK 4 terminal block.

DEM 2412

Green :

Red : ERR.

➁

➂

➀

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General introduction

Front panel

This has 3 indicator lamps :

• Green OK lamp :

- on when the module is operational,

- off when the module is faulty (terminal absent or external power absent, if monitoring for this has been configured).

• Red ERR lamp :

- on when there is an application fault (loss of synchronization, message stack full, configuration or time not accepted).

Rear panel

This has :

• Standard mechanical locating devices to prevent the risk of any error occurring when installing or changing the module.

• Optional mechanical locating device.

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Section 2

Operation

Operation

2.1 Hardware structure

The following diagram shows the hardware structure of TSX DEM 24 modules :

Time base

Synchro input and output

Exchange with

CPU

Double access

RAM

Time-stamp processing I/O interface

24 process inputs

Monitoring of power supply to process and terminal block

Communication Application

Electrical isolation

The elements of this diagram show the various logical links which process the input data, from the front panel dedicated to the process, to the PLC bus.

2.1-1 Power section

Discrete input interface

The data from the process is electrically isolated then filtered by the module. An initial filtering of 500 microseconds eliminates high-frequency interference. The time-stamping card has a second filter which is digital and can be programmed.

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2.1-2 Time-stamping section

The time-stamping block detects, records and time-stamps changes in the state of the discrete inputs.

An internal clock manages the time in milliseconds with a precision of 25 ppm. This clock is used as a time base for time-stamping changes of state.

2.1-3 Dialog section

This element manages the exchanges between the CPU and the module. The following data is exchanged :

- Transmission of the state of inputs

- Logging messages

- Reception of configuration

- Reception of commands

- Reception of reference time.

.inp

.log

.tim

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Operation

2.2 Software structure

The software structure of TSX DEM 24 modules is made up of two parts :

• A common section, identical on all intelligent modules, which performs the exchanges with the PLC processor.

• A dedicated section which manages acquisition of the inputs, logging of changes of state as well as the dedicated module self-tests.

Common initial self-test

Dedicated initial self-test

Application processing :

.input acquisition

.logging

.time-stamping

Dedicated software

Request interpreter

Message

Standard exchanges

Discrete register

Software common to intelligent modules

2.3 Time-stamp processing

2.3-1 Setting the module time

The module time is set from the CPU, using data from the integral real-time clock, which is precise to 100 ppm, or from an external device.

The module starts logging changes of state at the first synchronization pulse which follows reception of the time. (When the module is powered up a second pulse is required).

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2.3-2 Time-stamping changes of state

On each change of state a message is created which contains the following information :

• The time the input changed state

• The channel affected

• The new channel state (zero, one or oscillating)

• The faults

• The state of the message stack.

The following are considered to be a change of state :

• Change of state of one of the 24 inputs on the card (change to zero, one or oscillating)

• Connection or removal of the terminal block

• Appearance and disappearance of the external power supply

• Appearance and disappearance of a synchronization fault.

2.3-3 Detecting oscillating inputs

The objective of this is to prevent saturation of the message buffer. When an input is faulty it is indicated by uncontrolled changes of state.

The user configures a monitoring period and a maximum number of transitions for this period. The parameters are common to all 24 module inputs. When an input has more changes of state than the configured number, the input is then shown to be oscillating.

Its transitions will no longer be indicated as long as the number of changes remains above the defined limit.

2.3-4 Management of a message buffer

All messages to be sent to the CPU are handled in a buffer which can take up to 200 messages. Communication is performed using a protocol which exchanges messages via text blocks.

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Operation

Two types of message are exchanged :

• Change of state of a channel

• Overall status of the module.

2.4 Dialog with the PLC

2.4-1 General

There are 3 types of exchange with the PLC processor via the complete I/O bus :

• Discrete interface, Ixy,i addressing

• Register interface, I/OWxy,i addressing

• Message interface, TXT,i addressing x = rack number y = position in the rack i = number of bit or word as appropriate

For each of these exchanges there are corresponding objects which are available to the user program.

2.4-2 Discrete interface

The interface provides important indicators for time-stamping. Exchanges are performed at each cycle of the task for which the module has been configured.

Ixy

F 0

Ixy,0 Module ready to log (1)

Ixy,1 Message stack not empty

Ixy,2 Stack 70 % full

Ixy,3 Stack full

Ixy,4 Synchronization fault

Ixy,5 Not used

Ixy,6 Not used

Ixy,7 Image of synchronization pulse

Ixy,8 to Ixy,F not used

(1) Date set and synchronization pulses received.

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Note :

The state of Ixy,7 changes at each pulse.

Accepted synchronization pulses

Ixy,7 ( Synchro Pulse image bit)

2.4-3 Register interface

TSX DEM 24 modules have eight input register words and eight output register words.

The exchanges are performed systematically at each PLC cycle.

The following table describes both the input register words and the output register words.

8 input register words

(read by the CPU)

IWxy,0 - Standard status word

IWxy,1 - Not used

IWxy,2 - Additional status word

IWxy,3 - Not used

IWxy,4 - Not used

IWxy,5 - Number of messages in the stack

8 output register words

(written by the CPU)

OWxy,0 - Standard command word

OWxy,1 - Additional command word

OWxy,2 - Cmd word, channels to stamp (0 to 15)

OWxy,3 - Cmd word, channels to stamp (16 to 23)

OWxy,4

OWxy,5

IWxy,6 - Discrete input image word channels 0 to 15 OWxy,6

IWxy,7 - Discrete input image word channels 16 to 23 OWxy,7

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Operation

Detail of status words IWxy,0 and IWxy,2

IWxy,0 Standard status word IWxy,2 Additional status word

0 - Not used

1 - Not used

2 - 1 = RESET message system (txt block)

3 - 1 = Module available (self-test complete)

4 - 1 = Module fault or recording fault

5 - Reserved

6 - 1 = Logging fault / recording fault

7 - 1 = Application fault or recording fault

8 - 1 = Module off (blocking fault)

9 - 1 = Initial self-test running

A- 1 = Terminal block fault

0 = Logging active

1 = No logging

1 = Filtering incorrectly configured (1)

1 = Oscillating inputs incorrectly configured (1)

1 = Pulses incorrectly configured

1 = Drift incorrectly configured

1 = Incorrect periodic logging period

- Not used

1 = Module ready to log (same as Ixy,o)

1 = External supply fault

- Not used

B- 1 = Awaiting configuration. 0 = Configured - Not used

C- 1 = Module running. 0 = stopped - Not used

(1)

D- Not used

E- Not used

F- Not used

1 = Default configuration

- Not used

(1) Coding bits for configuration fault (IWxy,2)

Description of status word IWxy,5

Status word IWxy,5 Number of messages

The module indicates the number of messages in the stack in the IWxy,5 register. The number can vary from 0 to 200.

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Detail of status words IWxy,6 and IWxy,7

IWxy,6 State of discrete channels IWxy,7 State of discrete channels

0 - State of channel 0

1 - State of channel 1

2 - State of channel 2

3 - State of channel 3

4 - State of channel 4

5 - State of channel 5

6 - State of channel 6

7 - State of channel 7

8 - State of channel 8

9 - State of channel 9

A- State of channel 10

B- State of channel 11

C- State of channel 12

D- State of channel 13

E- State of channel 14

F - State of channel 15

State of channel 16

State of channel 17

State of channel 18

State of channel 19

State of channel 20

State of channel 21

State of channel 22

State of channel 23

Detail of command words

OWxy,0 Standard command word

0 - Not used

1 - Not used

OWxy,1 Additional command word

1= Stop logging 0= Logging

Rising edge Purge message stack

2 - 1= RESET message system (txt block)

3 to B - Not used

Rising edge Request logging of overall state

Not used

C- 1 = Change to RUN. 0 = Change to STOP Not used

D to F - Not used Not used

Detail of status words OWxy,2 and OWxy,3

OWxy,2 Command word, channels to be time-stamped from 0 to 15

0 to F - Channels 0 to 15 to be time-stamped if = 1, stop logging if = 0

OWxy,3 Additional status word, channels to be time-stamped from 16 to 23

0 to 7 - Channels 16 to 23 to time-stamp if = 1 stop logging if = 0

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Operation

2.4-4 Message interface

The message interface transfers data tables between the module and the PLC processor. This transfer is programmed using a CPL type text function block and is executed at the initiative of the user program.

This type of dialog is used for :

• Writing the configuration

• Reading the configuration

• Setting the module time

• Reading the logging data

• Reading the fault string.

Data specific to each of these transfers is stored in internal words Wi or constant words

CWi (only when transmitting, for example the configuration).

Programming using the message interface is described in detail in each section relating to the following exchanges :

• Logging (Section 3)

• Setting the time of the modules (Section 4)

• Reading messages (Section 4)

• Additional requests (Section 4.4).

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2.5 Module operating modes

2.5-1 Description

The chart below shows the TSX DEM 24 module operating modes :

Default configuration

Config OK request

0 Off

Initialization

Self - Test

Reception of new configuration

Configuration

Config not Ok request

Config Ok request

Stop

Config not Ok request

Run DEM module

Run

DEM module stopped or faulty

Reception of time

5 Module set to correct time

Reception of pulse

Module ready to log

Synchro pulse Ok

7 Module synchronized

Synchro pulse not Ok

8 Synchronization fault

Reception of time

When powered up, at initialization request or after a power break, the module starts a self-test routine (bit IWxy,0 - 9 = 1).

If no fault is detected, the module operates in RUN mode or in STOP mode (depending on the value of the standard command word) with the default configuration.

To use the module in the application conditions, it must be configured. To do this the user must use the program to :

• Set the module to STOP mode.

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Operation

• Transmit the configuration via the message interface.

• Reset the module to RUN mode.

If the configuration received is incorrect or incomplete the module waits for configuration and remains in waiting mode until it receives a coherent configuration.

Once it has been configured and is in RUN mode, the module can acquire discrete signals.

Status logging will only start after :

• The reference time has been received (if the reference time is not accepted the module continues in "Time not set" mode), bits IWxy,2,7 = 0 and Ixy,0 =0.

• Reception of a synchronization pulse.

The module is then ready to log, bits IWxy,2,7 and Ixy,0 = 1. Logging can be inhibited by setting bit OWxy,1,0 to 1.

2.5-2 Actions on operating modes

The user has access to a command register word which forces the module to the required operating mode.

The status register words inform the user of the module operating mode :

• Initial self-test

• Awaiting configuration

• RUN/STOP

• Operating with default configuration

• Module ready to log

• Logging active or not active.

2.5-3 Behaviour on power breaks and power returns

TSX DEM 24 modules do not have a protected memory. They lose all data, in particular the configuration and the reference time, when they are disconnected from the power supply provided by the PLC.

It is therefore necessary to reconfigure the module and reprogram the reference time :

• On a cold restart (SY0 = 1)

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• On a warm restart, when the power reserve has been exhausted (SY1 = 1)

• When the module is installed in the PLC.

2.5-4 Behaviour in STOP mode

When the module is stopped, logging and time-stamping continue in the same way as before changing to STOP, until the stack is full (200 messages). No further logging then takes place.

2.5-5 Behaviour when PLC is stopped

Logging and time-stamping continue until the stack is full (200 messages). No further logging then takes place.

2.5-6 Effect of faults on operating modes

If the terminal block is absent or when an external power supply fault is detected, and monitoring is requested, the module changes to STOP until the fault disappears. The state of the inputs is that defined in the configuration (Maintain or default to 0).

When an application fault (synchronization fault, message stack saturated) is detected, the module remains in RUN mode.

When there is a synchronization fault the module continues logging using its internal clock for reference. The fault is fed back to the processor. Bit Ixy,4 enables this state to be read.

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Section 3

Configuration

3.1 Principle

3.1-1 General

The configuration data is used to adapt the module operation to the target application.

This data determines the operating mode for the module and each of its channels.

Module configuration consists of :

• Determining the module operating characteristics

• Coding these characteristics, in binary code or decimal values

• Transferring this code and these values to the module via the program.

TSX DEM 24 modules have a default configuration, which enables operation on power-up.

It is replaced by the user configuration once this has been transferred.

3.1-2 Configuration data

The configuration data affects :

• The operating mode

• The operating mode for each channel.

The configuration data must be coded in a word table in zone W (internal words) via the program or in zone CW (constant words).

Example of configuration table (constant words CW0 to CW8) :

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3.1-3 Bits associated with the configuration

Two bits can be accessed via the program, which are extracted from standard and additional status words, and are associated with the module configuration :

• IWxy,0,B : this bit changes to 1 on reception of an incorrect configuration. It indicates that the module is awaiting configuration.

• IWxy,2,D : this bit at 1 indicates that the module is operating with its default configuration.

• Diagnostic bits identify the reasons for refusal in the event of a configuration fault :

IWxy,2,1 : Incorrect discrete I/O filtering value

IWxy,2,2 : Incorrect configuration of oscillating inputs

IWxy,2,3 : Incorrect synchronization pulse period value

IWxy,2,4 : Incorrect value of the maximum drift tolerated on the synchronization

pulse period

IWxy,2,5 : Incorrect periodic logging period

Note :

The system stops at the first error found.

IWxy,2,3 and IWxy,2,4 at 1 indicate a drift value which is incompatible with the chosen pulse period.

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Configuration

3.2 Parameters

3.2-1 Channel configuration

The channel configuration is coded on 9 words. The first word is entered in binary, the others are entered in decimal mode.

Words

Address

W(i) - CW(i)

(i+1)

(I+2)

(i+3)

(i+4)

(i+5)

(i+6)

(i+7)

(i+8)

Word bits

15 9 8 7 6 5 4 3 2 1 0

DEF LOG OSC Al. EXT

FILT

T-MAX

N-MAX

T-MIN

N-MIN

T-SYN

DRIFT

PER

"1- Parameters for detecting the oscillating inputs."

"2- Monitoring the internal clock."

Description of the data words

These words CWi or Wi indicate :

Word (i) bit 0 = 1 Al EXT external supply monitoring active bit 2 = 1 bit 4 = 1 bit 6 = 1

OSC

LOG

DEF oscillating inputs active periodic logging active fallback value of inputs on terminal block fault, or on supply fault if supply monitoring is configured. Value "0" : force inputs to 0. Value "1" : maintain inputs.

Words

(i+1) :

(i+2) :

(i+3) :

FILT

T-MAX

N-MAX software filter time constant. Values : 0, 10, 20, 50 ms.

maximum count time. 1 to 240 seconds.

maximum number of status changes. 1 to 9.

(i+4) :

(i+5) :

(i+6) :

(i+7) :

T-MIN

N-MIN

T-SYN

DRIFT minimum count time. 1 to 240 seconds.

minimum number of status changes. 1 to 9.

synchronization pulse period. Values : 1, 30, 60 seconds.

configurable drift for the time base (between 2 pulses).

Values : 2, 10, 50, 100, 500 ms. Warning ! Do not configure 500, if T-SYN = 1 second.

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(i+8) : PER - logging period of TSX DEM 24 module overall status.

Values : 1 to 240 minutes.

Configuring the default positions

These are the values seen by the PLC in the event of a type 3 fault (terminal block missing or external supply fault if supply monitoring is programmed).

Configuring oscillating inputs

Detection of oscillating inputs operates on the principle of the hysteresis cycle. The user does not have to select this detection.

• Maximum count time : 1 to 240 seconds.

• Maximum number of status changes in the window before declaring an oscillating input : 1 to 9.

• Minimum count time : 1 to 240 seconds.

• Minimum number of status changes in the window before declaring an oscillating input as no longer oscillating : 1 to 9.

Example : If programmed for a maximum of 8 status changes in 60 seconds and a minimum of 5 status changes in 120 seconds, an input will be declared as oscillating if it changes more than 8 times in 1 minute. This input will be considered normal again only if it changes less than 5 times in 2 minutes.

By default this option is not active. If the user chooses this detection, all 4 values must be programmed.

Synchronization fault

This parameter indicates the time base drifts, relative to the external time reference. The value of this drift is set at approximately 2 ms by default.

The possible values are 2, 10, 50, 100, 500 ms.

Synchronization pulse

The user chooses the frequency at which the card must receive the synchronization pulse :

1 second, 30 seconds, 60 seconds.

Periodic logging

The user can request the module to regularly record a message giving the overall state of the card in the message stack. This checks that the logging is working. This period can vary from 0 to 240 minutes.

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Configuration

3.2-2 Selection of channels to be logged

The user can select those channels whose status changes he wishes to log from the 24 channels available.

This choice is not made during configuration, but with the register words OWxy,2 and

OWxy,3, so that it can be modified by the application.

Channels which are not logged behave like discrete inputs. Their status is transmitted to the IWxy,6 and IWxy,7 registers.

By default, the values of the OWxy,2 and OWxy,3 words are 0, which indicates a change of status of inputs which have not been logged.

When bit OWxy,1,0 is at 0, logging is active.

3.3 Default configuration

Default configuration is as follows :

• No external power monitoring

• No detection of oscillating inputs

• No periodic logging activation

• Input fallback to 0 when faulty (terminal block missing)

• No input software filtering

• Synchronization pulse every 60 seconds

• Synchronization fault with drift value of approximately 2 ms

• No periodic logging.

Configuration table description :

Words CWi=0

CWi+1=0

CWi+2=0

CWi+3=0

CWi+4=0

CWi+5=0

CWi+6=60

CWi+7=2

CWi+8=0

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3.4 Loading the configuration

3.4-1 Data entry

After defining the module configuration data and determining the corresponding codes, these codes must be stored in the PLC memory before they can be transferred to the module.

This can be done either in zone W via the program, or preferably in zone CW.

3.4-2 Transferring the configuration to the module

Once coded and stored, the configuration data must be sent from the PLC memory to the module by the user program. This is done using a text block.

To send the configuration, proceed as follows :

• Stop module

• Wait for module STOP status

• Transmit configuration via CPL text block (intelligent module)

• Check module acceptance of the configuration parameters

• Set module to run.

Text block characteristics

• TXTi,M : H' . . 63' The configuration addresses the module system

Position nbr

Rack nbr

• TXTi,C : H'0040' Request code indicating configuration transmission

• TXTi,L : 18 Length of table to be transmitted. This corresponds to the number of bytes in the table containing the configuration data : 18 bytes.

The confirmation of transfer sent by the TXTi,V module can be used after the exchange to check correct data transmission : it equals H’FE’ if the exchange is correct and H’FD’ if it is incorrect.

Programming the transfer

To program the transfer, proceed as follows :

• Stop module by positioning bit OWxy,0,C at 0.

• Check that the module has stopped by testing status word bit IWxy,0,C which should be at 0.

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Configuration

• Transfer the configuration using a text block.

• Check that transfer has been performed successfully :

- test TXTi,E which should be at 0

- test TXTi,V which should equal H’FE’.

• If the configuration has been successfully received, place the module in RUN mode by positioning OWxy,0,C command register word bit at 1.

Bit IWxy,0,C should then change to 1.

Type of text block exchanged :

3.4-3 Configuration check

The configuration is not accepted by the module when :

• The configuration length is incorrect.

• The syntax is wrong (code not defined).

• Choices made in defining the configuration result in incompatibilities.

• The module is running.

Sending an incorrect configuration

Sending an incorrect configuration changes the IWxy,0,B "awaiting configuration" status word bit to 1. The error coding is performed on additional status word bits

(IWxy,2 - bits 1 to 5).

The module then waits for a correct configuration, and ceases time-stamping.

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3 / 8

Section 4

Use

4.1 Setting the time

4.1-1 Principle

The time is sent from the CPU or an external source (via a communication card), and the time reference data is stored via the program in a table. This table must be transferred to the module on initialization, or each time a synchronization fault is indicated by the module.

This time reference must be transmitted to all the PLC TSX DEM 24 modules, via a table of 4 words.

Words

Wi+1

Wi+2

Wi+3

MSBs

Year (0 to 99)

Days (01 to 31)

Minutes (0 to 59)

Reserved

LSBs

Month (1 to 12)

Hour (0 to 23)

Seconds (0 to 59)

Modification indicator

Modification indicator :

This byte handles an interruption to the time continuum, such as the changeover from summer time to winter time.

Its value is between 0 and 255.

It must be modified (for example increased by 1 whenever the time is set).

4.1-2 Transferring the time reference to the module

Time-related data is stored in the PLC memory, and has to be transferred to the module memory using a transmission text block.

Text block characteristics

• TXTi,M : H' . . 00' The configuration addresses the module system

Position nbr

Rack nbr

• TXTi,C : 2 Request code indicating time reference transmission.

• TXTi,L : 8 Length of table to be transmitted. This corresponds to the number of bytes in the table containing the time data : 8 bytes.

• No reception table needs to be defined.

4 / 1

Confirmation of the transfer TXTi,V sent by the module can be used after the exchange to verify data transmission : equals H’FE’ if the exchange is correct and H’FD’ if it is incorrect.

Programming the transfer

To program the transfer, proceed as follows :

• Prepare the time setting table by changing the seconds to the value due at the next pulse.

• Transfer the data using the text block.

• Check that the transfer has been performed :

- test the TXTi,E output bit which indicates an invalid transfer. It should be at 0.

- test the TXTi,V which should equal H'FE'.

• If the time reference has been successfully received, bit IWxy,2,7 should change to

1 at the next synchronization pulse (the module is ready to log, IWxy,2,7 = 1 and

IWxy,0 = 1).

4.1-3 Acceptance of the time reference by the module

The module time is set after the first external synchronization pulse following reception of the time reference.

Each time a synchronization pulse is received, the module compares its own current time with the system time. If the difference between the two is greater than the precision required at the time of configuration (DRIFT parameter), the module indicates a synchronization fault. In order to prevent this happening on a sudden change of reference such as the switch from summer time to winter time or a voluntary adjustment to the time, the application program indicates the interruption by activating the modification indicator.

On reception of the new system time, the modules will reset themselves to the distributed time, at the next synchronization pulse, without checking the difference between the local time and the time received.

A synchronization fault can be due to :

• Loss of synchronization pulse.

• Module clock fault.

• A drift greater than the one programmed in the configuration.

4 / 2

Use

To correct a synchronization fault, the reference time must be transmitted to the module.

The fault will disappear two synchronization pulses after time reception.

Example

The synchronization pulses are configured at 30 second intervals;

Time reference : "15 July 1994 at 18h 5min 33 sec";

The following table indicates the time reference data :

Wi+1

Wi+2

Wi+3

- Wi word indicates in hexadecimal :

- Wi+1 gives day and hour :

- Wi+2 indicates minutes, seconds :

- Wi+3 identifies milliseconds :

94 - 07 i.e. July 1994,

15 - 18 i.e. the 15th at 18.00 hrs

5 min - 33 seconds,

1 ms.

The time picked up on the next pulse is : 15 July 94 18h 06min 00 sec.

The time in the table is taken into account on the synchronization pulse, and the processor therefore adds the time between the 2 pulses.

4.2 Time-stamp operation

4.2-1 Principle

The application initiates handling of exchanges between the CPU and the module.

This handling uses the additional status word (OWxy,1 output register) which is transmitted to the module at each PLC cycle.

• Bit 0 of OWxy,1 at 1 causes a global stop of logging of changes in state.

• Bit 1 of OWxy,1 at 1 causes a purge of the module message stack, the messages are deleted and the stack is emptied.

• Bit 2 of OWxy,1 at 1 requests logging of the overall state of the card.

4 / 3

• Word IWxy,5 indicates the number of messages available in the stack. These messages are read via a text block (1 to 9 messages).

Note :

The term message refers to all of the data connected with a change of status.

4.2-2 Description of data

Contents of message caused by a change of channel state

Words F E D C B A 9 8 7 6 5 4 3 2 1 0

Wi+1

Wi+2

Wi+3

Wi+4

Wi+5

Wi+6

Wi+7

Number of messages involved in exchange Exchange number

Year

Day

Minutes

Milliseconds

Rack nbr

Channel nbr

Wi+8

Wi+9

Reserved

Wi+10

Reserved

Wi+11 Reserved

Wi+12 Reserved

Stack Type H Modification indicator

Month

Hour

Seconds

Position nbr

Channel state

Reserved

Number of messages returned in the exchange : This item indicates the number of messages returned and thus the length of the usable data. This number varies from 1 to 9. (The text block exchange has the capacity to read up to 9 messages at each cycle).

Exchange number : These 8 bits give the exchange number transmitted by the module.

It corresponds to the one requested by the application program.

Type : Determines the type of message :

0 : Transmission indicating change of an input state.

1 : Transmission specifying the general state of the inputs.

4 / 4

Use

Stack : Indicates the state of the message stack :

0 : stack is in normal state.

1 : stack overflow with loss of at least one message.

H : Indicates a synchronization problem :

0 : correct operation.

1 : clock synchronization fault.

Modification indicator : Gives the number of the last modification indicator.

Channel nbr :

0 to 23 indicates the discrete input number

24 loss of synchronization

25 terminal block missing

26 external supply fault if monitoring has been requested.

Channel state for inputs 0 to 23 :

0 = channel at 0,

1 = channel at 1,

2 = oscillating input.

Channel state for inputs 24 to 26 :

1 for channel 24, indicates loss of synchronization,

1 for channel 25, denotes a missing terminal block,

1 for channel 26, indicates faulty external power supply.

Contents of message giving overall state of the card

Words F E D C B A 9 8 7 6 5 4 3 2 1 0

Wi Number of messages created in exchange Exchange number

Wi+1 Stack Type H Modification indicator

Wi+2

Wi+3

Wi+4

Year

Day

Minutes

Month

Hour

Seconds

Wi+5

Wi+6

Wi+7

Wi+8

Milliseconds

Rack nbr

Monitoring of channel 8 to 15 on or off

Position nbr

Monitoring of channel 0 to 7 on or off

Monitoring of channel 16 to 23 on or off

Wi+9

Wi+12

State of channel 8 to 15 oscillating or not

Wi+10 Insignificant = 0

Wi+11

State of channel 8 to 15

State of channel 0 to 7 oscillating or not

State of channel 16 to 23 oscillating or not

State of channel 0 to 7

26 25 24 State of channel 16 to 23

4 / 5

Words 0 to 6 inclusive : Same meaning as for message table "Change of state".

Words 7 and 8 : Bits indicating whether channel is time-stamped or not :

0 : channel not time-stamped.

1 : channel time-stamped.

Words 9 and 10 : Bits representing channel oscillating or not :

0 : channel not declared oscillating, normal operation.

1 : channel oscillating.

Words 11 and 12 : (LSB) indicates state of channels at the moment of logging :

0 : channel at 0.

1 : channel at 1.

Word 12 : (MSB) shows module status : bit 24 : indicates synchronization fault.

bit 25 : denotes a missing terminal block.

bit 26 : indicates external supply fault.

4.2-3 Data processing

At the first pulse following time reception, the TSX DEM 24 module logs the first message giving the overall state of the module inputs.

The user can acquire this information and process it in the application.

Using logging data

Logs are transmitted in Wi internal words in response to a "Log read" request. Several messages can be sent after a single request.

The application program analyses whether the stack is empty, if not Ixy,1=1.

The number of messages in the stack can be found by reading IWxy,5. The user can request to see messages via the program, with a limit of 9 messages at one time.

The exchange number is included in the message contents; this enables the user to

check the coherence of the request in relation to the response.

Data transmitted to the CPU is deleted from the message stack.

4 / 6

Use

Handling message listing must be carried out carefully so as not to lose messages.

If the number of messages requested is greater than the stack contents, only the number of messages available is shown. If the stack is empty, the module returns the exchange number and zero for the number of messages.

Programming this request is performed via the CPL type text block programmed for transmission and reception with the following characteristics :

• Request code : TXTi,C = 1.

• Address : TXTi,M = H'xy00' with x = Rack nbr and y = Position nbr.

• Reception table : 1

W[117] table of 117 words

(234 bytes) containing the status change messages or the overall module state messages.

Wi+1

...

Wi+116

Wi+117 Exchange nbr

Wi+118 Nbr of messages requested

• In the transmission table the user defines (2 words) : the exchange number (0 to 9) the number of messages expected (1 to 9)

• The messages are sent to the CPU in chronological order of appearance, starting with the oldest.

Confirmation :

TXTi,V = H'81' if the exchange is correct or H'FD' if the exchange is incorrect

TXTi,S = (number of message bytes) x (26 bytes) if the exchange is correct (TXTi,E =

0). TXTi,S = 2 if the stack is empty.

Monitoring

• Deactivate / reactivate logging of all module channels.

The CPU can stop logging all module channels at any time by setting a OWxy,1,0 bit.

The message stack is no longer filled, the module no longer monitors the changes of state. Bit IWxy,2,0 indicates that the module has accepted the command.

• Deactivate or activate globally or channel by channel, using command words

OWxy,2 and OWxy,3

• Purge message stack

On the rising edge of bit OWxy,2,1, all stack messages are deleted.

• Request logging of overall card state

The user can request logging of the overall module state by positioning the OWxy,2,2 bit at 1. If the user wishes to repeat a new request, bit OWxy,2,2 must be positioned to 0 then 1 (the module detects a rising edge).

4 / 7

4.3 Diagnostics : fault processing

Via the program the user can precisely determine any faults which occur on the TSX

DEM 24 module or on its external environment.

Types of fault :

Faults can be classified in three categories according to their seriousness and their effect on module operation.

• "Blocking" faults : these are faults which prevent exchanges with the PLC processor.

• Module/processor faults : these faults include a missing terminal block or an external supply fault.

• Application faults : these faults relate to logging, loss of synchronization, message stack saturation, refusal of time or configuration.

Fault detection :

Several indicators are available to the user :

• Indicator lamps.

INDICATOR STATUS

OK on on

ERR off on

FAULT

"Blocking" fault. The module is not working.

No fault. The module is powered up and operating correctly.

Module fault

(missing terminal block or external supply fault).

Logging or synchronization application fault.

Parameter refusal, refusal to accept time.

4 / 8

Use

• Fault bit.

This bit informs the PLC (processor I/O lamp) that there is a fault on the module. It changes to 1 when a fault appears and changes back to 0 when the fault disappears.

FAULT BIT ACCESS STATE FAULT

Ixy,s program 1 Module fault (blocking or module/processor)

Exchange fault with PLC processor

Module missing

Code declared in I/O configuration other than 777 or 778

• Status word.

FAULT BIT

IWxy,0,4

IWxy,0,6

IWxy,0,7

IWxy,0,8

IWxy,0,A

FAULT

Fault or recording of general fault, covers IWxy,0,6 and IWxy,0,7

Fault or recording of logging fault

Fault or recording of module/processor fault

Blocking fault, module missing or incorrect code

Terminal block fault

IWxy,2,8 External supply fault (if monitoring requested)

The terminal block fault is caused if the TSX BLK4 connector is unscrewed.

• BDEF fault bit string

This 96-bit string is accessed via the message interface (request code H'47').

Description :

- 0 to 15 Reserved

- 16 Terminal block fault

- 18 to 31 Reserved

- 32 Synchronization fault

- 33 Stack full

- 34 Time reference refused

- 35 Configuration refused

- 35 to 95 Not used.

4 / 9

4.4 Additional requests

In addition to loading the configuration, setting the module time and recovering logging messages, the PLC processor can exchange miscellaneous data with the module via the CPL type text block.

Request code list :

Request role

Logging read

Time write

Configuration write

Configuration read

Application name write

Application name read

Module version read

Fault string read

TXTi,C TXTi,M TXTi,V Number Number

(hex) (hex) (hex) of bytes of bytes written read

1 xy00 81/FD 4

Module status

234 max RUN/STOP

40 xy00 xy63

FE/FD

RUN/STOP

STOP xy63 71/FD 0 xy63 FE/FD 1 to 20 xy63 7A/FD xy63 3F/FD xy63 77/FD

1 to 20

RUN/STOP

Note :

When parameter value "TXTi,V = FD", the exchange is incorrect.

4 / 1 0

Use

4 / 1 1

Example of use

5.1 Application description

An assembly line is controlled as shown in the following macro-Grafcet chart :

0

1

Starting phase

Start

Parts supply phase

End of cycle

2

Assembly phase

3

Output phase

4

Stop request

Stopping phase

A TSX DEM 2412 module logs the state of the inputs, depending on the current phase, as in the table below :

Current phase Inputs to be logged

Starting

Supply

Assembly

Output

Stopping

0 to 7

0 to 15

12 to 19

16 to 19

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5 / 1

In order to avoid oscillation of the inputs an input cannot change state more than 4 times in 5 seconds. If an input passes this threshold, logging will be interrupted and will only continue when the transition rate drops to less than 2 changes in 5 seconds.

Whichever the current phase, logging of the general state of the card will be performed every hour as well as on user request via a discrete input.

The status changes logged by the module will be processed by the CPU so that they can be used for print/display.

Time setting :

The module time will be set each time the power returns according to the time supplied by the CPU, with synchronization every minute from the CPU.

Behaviour on power-up :

After the self-test phase the module will be reconfigured and the time set from the CPU.

The message stack will be purged to avoid accumulation of incoherent messages.

Operating commands will be effective once the module initialization phase is complete

(Macro-step 0).

Operator commands :

The operator can use commands to :

- Log the general state of the card.

- Purge the message stack.

- Stop channel logging.

- Reset the module time.

Monitoring :

An alarm is triggered when any time-stamping module malfunction, logging fault or synchronization fault occurs.

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5 / 2

Example of use 5

5.2 Hardware configuration

TSX I/O rack :

2 4

2 3 4 5

Processor

To peripheral equipment

(Printer or display screen)

24 VDC inputs to be monitored

Time-stamping Module

Position 2 : TSX DET 3212 discrete input module which handles :

• processor commands :

- Input 0 : START command.

- Input 1 : End of supply phase.

- Input 2 : End of assembly phase.

- Input 3 : End of evacuation phase.

- Input 4 : Stop request.

• operator commands - DEM module :

- Input 8 : stop logging.

- Input 9 : purge message stack.

- Input A : log global status.

- Input B : set time.

- Input C : acknowledge faults.

Position 3 : TSX DST 2472 discrete output module.

- Output 0 : synchronization fault.

- Output 1 : logging fault.

- Output 2 : TSX DEM 2412 module fault.

- Output 4 : Synchronization pulse (every minute).

Position 4 : TSX DEM 2412 time-stamping module.

Position 7 : TSX SCM 21xx communication module for connection to peripheral equipment.

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5 / 3

TSX BLK4 terminal block wiring

24 VDC power supply

Inputs to be monitored

In0

O3,4

In11

In12

In19

Inputs to be monitored

Not used

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5 / 4

Example of use 5

5.3 Implementation

5.3-1 Assignment of variables

The I/O variables are defined in the hardware configuration.

The Text Blocks perform the following functions :

Block nbr

TXT0

TXT1

Associated buffer

CW0 (9)

Rec. W0 (117)

Trans. W117 (2)

W200 (4)

W190 (6)

Role

Loading the configuration

Reading logging data

TXT2

TXT3

Setting the module time

Acknowledgement of module faults (reading

BDEF string)

Internal words :

W0 (117) : TXT1 reception buffer

W117 (2) : TXT1 transmission buffer

W120 :

W121 :

Number of messages received

Number of messages being processed

W122 :

W123 :

Start address of message being processed in TXT1 buffer

Pointer in intermediate buffer

W124 : Pointer in TXT1 buffer

W130 (13) : Intermediate buffer (unformatted messages)

W150 : Working variable

W160 (3) : Buffer used for binary - ASCII conversion

W170 (15) : Intermediate buffer (formatted messages)

W185 : Intermediate buffer pointer

W186 : Storage buffer pointer

W190 (6) : Fault string

W200 (4) : Date and time formatting buffer

W1000 (3000) : Storage buffer (200 message capacity)

SW 51 to 56 : Data supplied by PLC real-time clock

B7 :

SY7 :

B11 :

SY7 recording

"Minutes" system bit

Command to set module time during initialization phase.

Note :

Bits B7 and SY7 are used to generate the synchronization pulse.

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5 / 5

5.3-2 Message processing illustration

TXT1 Storage buffer

W1000

W1015

Message 1

W13

Message 1

Message 2

W130

W142

W170

Formatting

Storage

Message i

W184

Message 9

W117

Transmission buffer Message 200

W4000

Messages from the text blocks are processed and formatted according to the above diagram.

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5 / 6

Example of use 5

5.3-3 TSX DEM 2412 module configuration

The configuration is coded on 9 constant words starting at CW0 according to the following information :

- CW0 : Performs periodic logging and detection of oscillating inputs.

- CW1 :

- CW2 :

- CW3 :

- CW4 :

- CW5 :

Filter at 10 ms intervals.

Parameter linked to the oscillating inputs.

Refers to the number status changes for the oscillating inputs.

Oscillating state if more than 4 changes every 5 seconds.

Parameter linked to the detection of oscillating inputs. In example below, non-oscillating state if less than 2 changes every 5 seconds.

- CW6 :

- CW7 :

- CW8 :

Synchronization pulse period = 60 seconds.

Permissible drift = 500 ms.

Logging period = 60 min.

The window below shows the configuration of these constant words :

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5 / 7

5.3-4 Programming

Global operation of the process is linked to a graph from the CHART program. This graph appears as follows :

DEM24 MODULE INIT

STARTING PHASE

SUPPLY PHASE

ASSEMBLY PHASE

OUTPUT PHASE

STOPPING PHASE

Description of the PRE module MAST Task application program

< RESET address pointer of the message storage buffer on cold start

!L10 : IF SY0

THEN 0 -> W186

CHART transition and step processing program

CHART T: M0 > M0

IW4,2,D+IW4,0,B

CHART S(A)0

< no logging in this phase

0->OW4,2->OW4,3

T: 0>1

I2,0

CHART S(A)1

<logging request for inputs 0 to 7

H’FF’->OW4,2;0->OW4,3

T: 1>2

I2,1

CHART S(A)2

<logging request for inputs 0 to 15

H’FFFF’->OW4,2;0->OW4,3

T: 2>3

I2,2

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5 / 8

Example of use 5

CHART S(A)3

<logging request for inputs 12 to 19

H’F000’->OW4,2;H ’F’->OW4,3

T: 3>1

I2,3.NOT I2,4

T: 3>4

I2,3.I2,4

CHART S(A)4

<logging request for inputs 16 to 19

0->OW4,2;H ’F’->OW4,3

I2,0

XM0 macro-step

The following window shows these different phases :

Detail of macro-step 0 (DEM 24 module initialization)

T: 4>0

MODULE STOP

CONFIG. CHANGE

MODULE RUN

TIME-SET

MES. STACK RESET

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5 / 9

Description of macro-step XMO

XM0 S(A) IN

<Module stopped for configuration loading

RESET OW4,0,C

<logging stopped

SET OW4,1,0

XM0 T: IN>0

NOT IW4,0,C

XM0 S(A) 0

<module configuration loading

H’463’->TXT0,M;H’40’->TXT0,C;18->TXT0,L;EXCHG TXT0

XM0 T: 0>1

TXT0,D

XM0 S(A) 1

<module set to run

SET OW4,0,C

XM0 T: 1>2

IW4,0,C

XM0 S(A) 2

<request for module time-setting (dealt with in post-processing)

SET B11

XM0 T: 2>3

TXT2,D

XM0 S(A) 3

<stack purge bit set to 1

SET OW4,1,1

XM0 S(D) 3

<RESET stack purge bit

RESET OW4,4,1

XM0 T: 3>OUT

(IW4,5=0)

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5 / 1 0

Example of use 5

Description of POST program

Task management :

- Setting time on time-stamping module

- Taking operator commands into account

SETTING THE MODULE TIME synchronization pulse generation every minute setting the time on operator command or during initialization sequence formatting PLC date / time transferring date / time to module

RECOGNITION OF USER COMMANDS general stop logging command purge module message stack command log general card state command

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5 / 1 1

Managing the module message stack :

PROCESSING MESSAGES ACQUIRED DURING PREVIOUS CYCLE was message acquisition requested on previous cycle?

yes; acquisition performed ?

how many messages have been acquired ?

message processing loop

Request to read messages logged in the stack :

REQUEST TO READ MESSAGES IN THE STACK check for messages in the stack request to read messages in the stack

Alarm management :

ALARM MANAGEMENT synchronization fault logging fault

DEM module faulty acknowledgement of module faults

END OF PROCESSING

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5 / 1 2

Description of subroutine SR0 :

Formatting of messages for their eventual use.

SUBROUTINE FOR FORMATTING MESSAGES recover message using its order number prepare for display day month year hour minutes seconds milliseconds rack number slot number message type identification (change channel state or overall card state) channel number channel state

Example 5

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5 / 1 3

transfer message to storage zone for eventual listing

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5 / 1 4

Module installation

6.1 Selection of slot and locating device

TSX DEM 24 modules can be installed in all racks comprising a complete bus. The timestamping modules have two types of locating device :

Locating device

Mechanical : Via 3-figure locating devices at back of module.

Program : Entered during configuration.

TSX DEM 2412

777

TSX DEM 2413

778

777 778

6.2 Configuring the module under X-TEL

6.2-1 PLC version V4 or earlier

I/O configuration performed with PL7-3 software in configuration mode, under item " 2

- INPUTS/OUTPUTS ".

For modules TSX DEM 2412 and TSX DEM 2413, enter codes :

- 777 for DEM 2412 module,

- 778 for DEM 2413 module.

6.2-2 PLC version V5 or later

I/O configuration performed with XTEL-CONF tool.

There are two options, depending on the software workshop version :

. V5 software workshop (V5.0 < or = "Version" < V5.5) :

- access to codes 777 (DEM 2412) and 778 (DEM 2413) is via the RESERVE family,

. V5.2 software workshop ("Version" > or = V5.5) :

- access to codes 777 (DEM 2412) and 778 (DEM 2413) is via the TIME-STAMPING family.

Note :

The number of time-stamping modules is limited to 32 in a single PLC configuration.

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6 / 1

6.3 Connection

The modules are connected via a TSX BLK4 terminal block equipped with 32 screw terminals.

Description TSX BLK4 terminal block (label) Description

Input 0

Input 1

Input 2

Input 3

Input 4

Input 5

Input 6

Input 7

Input 8

Input 9

Input 10

Input 11 IN11

Synchro input IN-SYN

0V Synchro Cir. 0V-SYN

Earth EARTH

IN 7

IN 8

IN 9

IN10

0 V

IN 0

IN 1

IN 2

IN 3

IN4

IN 5

IN 6

A8

A7

A6

A5

A4

A3

A2

A1

B8

B7

B6

B5

B4

B3

B2

B1

C7

C8

D1

D2

C4

C5

C6

C1

C2

C3

D3

D4

D5

D6

D7

D8

24 V DC Channels 0 to 23

IN 12 input 12

IN 13 input 13

IN 14 input 14

IN 15 input 15

IN 16 input 16

IN 17 input 17

IN 18 input 18

IN 19 input

IN 20 input

IN 21 input

IN 22 input

IN 23 input

OUT-SYN synchro output

24 V DC synchro circuit

EARTH Earth

The interface of input channels 0 to 23 and the synchronization circuit interface are electrically isolated to 2.5 KV in order to protect the synchronization signals from induced external noises in series and common mode. It is advisable to respect this isolation and to use shielded or twisted cables with a minimum cross-section of 0.22 mm 2 for synchronization signals.

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6 / 2

Section 7

Specifications

7.1 Consumption

The electrical consumption of the TSX DEM 24 time-stamping modules is 130 mA at 5V

DC voltage.

7.2 Input characteristics

The main characteristics of TSX DEM 24 modules are as follows :

Characteristics

Number of discrete input channels

Nominal operating voltage

Current consumed on rated voltage

Protection against reversed polarity

Module cycle time

Module time base precision

Discrete input digital filtering

Isolation between inputs and PLC

Synchronization input

Synchronization output

Operating temperature

Storage temperature

Operation relative humidity

Standard

Approvals

TSX DEM 2412

24V DC - 15%, +20% Maximum residual ripple :

500 mV peak to peak

11.5 mA per channel - Type 1

Yes

Less than a millisecond

25 ppm (0.0025 %)

0 to 50 milliseconds

2.5 kV

Identical characteristics to 24-Input modules

Open collector. Maximum 32 modules

5 to 55

-25 to + 70

< or = 90% without condensation

IEC 1131 - EN 63 850

Characteristics

Number of discrete input channels

Nominal operating voltage

Current consumed at nominal voltage

Protection against reversed polarity

Module cycle time

Module time base precision

Discrete input digital filtering

Isolation between inputs and PLC

Synchronization input

Synchronization output

Operating temperature

Storage temperature

Relative operating humidity

Standard

TSX DEM 2413

48V DC - 15%, +20% Maximum residual ripple :

500 mV peak to peak

6.5 mA per channel - Type 1

Yes

Less than a millisecond

25 ppm (0.0025 %)

0 to 50 milliseconds

2.5 kV

Identical characteristics to 24-Input modules

Open collector. Maximum 32 modules

5 to 55

-25 to + 70

< or = 90% without condensation

IEC 1131 - EN 63 850

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TSX DEM 2412 module input characteristics :

Ie (mA)

15.2

STATE 0

Transition zone

11.5

STATE 1

1.6

5 15 24 30

VDC

TSX DEM 2413 module input characteristics :

Ie (mA)

8.3

STATE 0

Transition zone

6.5

STATE 1

4.4

0.8

10 34 48 60

VDC

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Specifications

Synchronization input

This is used to reset the card internal clock. This input accepts a positive or negative pulse, and its filtering is less than 500 microseconds for a 2.8 Kohm impedance. This input is electrically isolated from the "discrete input and logic" interfaces.

Synchronization pulses must conform to the following patterns :

Signal relating to synchronization pulse for TSX DEM 2412 module :

Volts

10 ms min

500 µs max

- 3

300 ms max

Time

Signal relating to synchronization pulse for TSX DEM 2413 module :

Volts

10 ms min

500 µs max

300 ms max

Time

- 6

Note :

The pulse rising edge is less than 500 microseconds ; the falling edge is less than 300 milliseconds ; the synchronization pulse time is less than 10 ms.

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Synchronization output

This output is used when the external clock is incapable of supplying several timestamping modules.

It transmits synchronization pulses to other time-stamping modules. It is an open collector type output which can be used to control up to 32 modules.

Monitoring terminal block presence

Terminal block presence is monitored automatically via a mechanical contact activated by the TSX BLK4 connector.

Monitoring external voltage

This is optional. The aim of this monitoring is to detect loss of external power supply before the state of the inputs becomes insignificant.

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Merhaba! Ben, Schneider Electric TSXDEM2412 / 2413 Time-stamping Modules User Guide konusunda size yardımcı olmak için özel olarak eğitilmiş bir yapay zeka sohbet robotuyum. Belgeyi iyice inceledim ve ihtiyacınız olan kesin bilgileri bulmanıza veya içeriği açık ve basit terimlerle açıklamanıza yardımcı olabilirim. Belirli özellikler, sorun giderme adımları veya genel kullanım hakkında rehberlik arıyorsanız, sorularınızı sormaktan çekinmeyin. Endişeleriniz veya ihtiyaçlarınız hakkında ne kadar çok ayrıntı verirseniz, o kadar doğru ve etkili bir şekilde size yardımcı olabilirim!

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Reklam

General contents

Section

1 General introduction

2

Operation

Page

1/1

2/1

General contents

Section

3 Configuration

4

Use

Page

3/1

4/1

General contents

Section

5 Example of use

Page

5/1

6 Module installation

7 Specifications

6/1

7/1

General contents

Section 1

General introduction

General introduction

1.1

Intelligent modules

1.2

TSX DEM 2412 and TSX DEM 2413 modules

General introduction

General introduction

Section 2

Operation

2.1

Hardware structure

Operation

2.2

Software structure

2.3

Time-stamp processing

Operation

2.4

Dialog with the PLC

Operation

Operation

2.5

Module operating modes

Operation

Section 3

Configuration

Configuration

3.1

Principle

Configuration

3.2

Parameters

Configuration

3.3

Default configuration

3.4

Loading the configuration

Configuration

Section 4

Use

Use

4.1

Setting the time

Use

4.2

Time-stamp operation

4.2-1 Principle

Use

Use

4.3

Diagnostics : fault processing

Use