4-20mA converter manual_17032015_v1

4-20mA converter manual_17032015_v1
 INSTRUCTION MANUAL
4-20mA Converter
A-Box
Version Number: 1
1. Index
1. Index 1 2. Important User Information
2 2 - 1 . C o n t a c t I n f o r m a t i o n 2 2 - 2 . W a r r a n t y a n d L i a b i l i t y 2 2 - 3 . A b o u t I n s t r u c t i o n M a n u a l 3 2 - 4 . E n v i r o n m e n t 3 2 - 5 . C E D e c l a r a t i o n 4 3. Safety Information
5 3 - 1 . W A R N I N G / C A U T I O N 5 3 - 2 . H I G H V O L T A G E W A R N I N G 5 4. Introduction
6 4 - 1 . M a i n F u n c t i o n s 6 4 - 2 . P a c k a g e C o n t e n t s 7 5. Getting Started
8 5 - 1 . P a r t s N a m e 8 5 - 2 . S e t u p 9 5 - 3 . M e a s u r e m e n t 1 1 6. USB Controller / Software
12 6 - 1 . E K O S e n s e C o n f i g u r a t o r s o f t w a r e 1 2 6 - 2 . I n s t a l l a t i o n 1 2 6 - 3 . E l e c t r i c a l c o n n e c t i o n 1 2 6 - 4 . O p e r a t i n g 1 3 7. Troubleshooting
7 - 1 . T r o u b l e s h o o t i n g 8. Specifications
8 - 1 . M a i n U n i t 14 1 4 15 1 5 8 - 2 . U S B C o n t r o l l e r a n d c o n f i g u r a t o r s o f t w a r e 1 5 8 - 3 . D i m e n s i o n s 1 6 EKO INSTRUMENTS CO., LTD. 4-20mA Signal Converter MC-11 Instruction Manual V1
Pg. 1
2. Important User Information
Thank you for using EKO Products
Make sure to read this instruction manual thoroughly and to understand the contents before starting to operate the
instrument. Keep this manual at safe and handy place for whenever it is needed.
For any questions, please contact us at one of the EKO offices given below:
2-1. Contact Information
EKO INSTRUMENTS CO., LTD.
Asia, Oceania Region
www.eko.co.jp
info@eko.co.jp
EKO INSTRUMENTS Co., Ltd.
1-21-8 Hatagaya, Shibuya-ku
Tokyo, 151-0072 Japan
Tel:
+81 (3) 3469-6713
Fax:
+81 (3) 3469-6719
Tel:
+31 (0)70 3050117
Fax:
+31 (0)70 3840607
Tel:
+1 408-977-7751
Fax:
+1 408-977-7741
Europe, Middle East, Africa Region
www.eko-eu.com
info@eko-eu.com
EKO INSTRUMENTS Europe B.V.
Lulofsstraat 55, Unit 32,
2521 AL, Den Haag, The Netherlands
North & South America Region
www.eko-usa.com
info@eko-usa.com
EKO INSTRUMENTS USA Inc.
95 South Market Street, Suite 300
San Jose, CA 95113 USA
2-2. Warranty and Liability
For warranty terms and conditions, contact EKO or your distributor for further details.
EKO guarantees that the product delivered to customer has been verified, checked and tested to ensure that
the product meets the appropriate specifications. The product warranty is valid only if the product has been
installed and used according to the directives provided in this instruction manual.
In case of any manufacturing defect, the product will be repaired or replaced under warranty. However, the
warranty does not apply if:
Ø
Any modification or repair was done by any person or organization other than EKO service
personnel.
Ø
The damage or defect is caused by not respecting the instructions of use as given on the product
brochure or the instruction manual.
EKO INSTRUMENTS CO., LTD. 4-20mA Signal Converter MC-11 Instruction Manual V1
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2-3. About Instruction Manual
Copy Rights Reserved by EKO INSTRUMENTS CO., LTD.
Making copies of whole or parts of this
document without permission from EKO is prohibited.
This manual was issued:
2015/03/15
Version Number: 1
2-4. Environment
1. WEEE Directive 2002/96/EC
(Waste Electrical and Electronic Equipment)
This product is not subjected to WEEE Directive 2002/96/EC however it should not be mixed with general
household waste. For proper treatment, recovery and recycling, please take this product(s) to designated
collection points.
Disposing of this product correctly will help save valuable resources and prevent any potential negative
effects on human health and the environment, which could otherwise arise from inappropriate waste
handling.
2. RoHS Directive 2002/95/EC
EKO Instruments has completed a comprehensive evaluation of its product range to ensure compliance with
RoHS Directive 2002/95/EC regarding maximum concentration values for substances. As a result all
products are manufactured using raw materials that do not contain any of the restricted substances referred
to in the RoHS Directive 2002/95/EC at concentration levels in excess of those permitted under the RoHS
Directive 2002/95/EC, or up to levels allowed in excess of these concentrations by the Annex to the RoHS
Directive 2002/95/EC.
EKO INSTRUMENTS CO., LTD. 4-20mA Signal Converter MC-11 Instruction Manual V1
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2-5. CE Declaration
DECLARATION OF CONFORMITY
We:
EKO INSTRUMENTS CO., LTD
1-21-8 Hatagaya Shibuya-ku,
Tokyo
151-0072 JAPAN
Declare under our sole responsibility that the product:
Product Name:
4 to 20mA Signal Converter
To which this declaration relates is in conformity with the following harmonized
standards of other normative documents:
Harmonized standards:
EN 61326-1:2006 Class A (Emission)
EN 61326-1:2006
(Immunity
Test was done in this condition which are signal cable length is under 3m and used the metal box.
Following the provisions of the directive:
EMC-directive:
89/336/EEC
Amendment to the above directive:
Date:
93/68/EEC
Mar. 6, 2015
Position of Authorized Signatory:
Name of Authorized Signatory:
Deputy General Manager of Quality Assurance Dept.
Shuji
Yoshida
Signature of Authorized Signatory:
EKO INSTRUMENTS CO., LTD. 4-20mA Signal Converter MC-11 Instruction Manual V1
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3. Safety Information
EKO Products are designed and manufactured with consideration for safety; however, please make
sure to read and understand this instruction manual thoroughly to be able to operate the instrument
safely in the correct manner.
WARNING
CAUTION
Attention to user; pay attention to the instructions given on the
HIGH
VOLTAGE
WARNING
High voltage is used; pay special attention to instructions given on
instruction manual with this sign.
this instruction manual with this sign to prevent electric leakage
and/or electric shocks.
3-1. WARNING/CAUTION
1. Setup
Ø
Do not install 4-20mA Converter in a place, which may get wet or soaked in water.
3-2. HIGH VOLTAGE WARNING
1. Power Supply
Ø
Always check the DC voltage for the specified supply power before connecting the 4-20mA
Converter (12 – 24 VDC).
EKO INSTRUMENTS CO., LTD. 4-20mA Signal Converter MC-11 Instruction Manual V1
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4. Introduction
The 4...20mA converter called "A-Box" is a digital signal conditioner to convert the Voltage output of a solar
radiation sensor into a 4...20mA current output. The converter can be used with all passive EKO radiometers or
any other mV sensor to be connected to data loggers or inverters with a 4...20mA input channel. By using the
signal conditioner the sensor cable can be easily extended over long distances without any signal loss or potential
electromagnetic interference in noisy industrial environments.
2
For easy conversion the A-Box output in combination with a solar sensor can be set to 4-20mA | 0 - 1600 W/m . In
this case the sensitivity factor of the solar sensor will be set to the converter. With the optional USB controller and
EKO Sense software (Multiple languages) the converter settings can be freely changed. This tool will be needed in
case the sensor sensitivity might need to be changed after a periodical solar sensor re-calibration.
For practical installation, the converter is placed in an IP65 Aluminium box with universal cable glands. It has
robust input/output screw terminals, which can be easily connected to the signal cable that leads to the
measurements system at the installation site. EKO can pre-connect the solar sensor cable to simplify your
process.
4-1. Main Functions
•
The 4-20mA Signal Converter proportionally converts the solar sensor output voltage (V) into a
current (mA).
•
Easy signal conversion 4-20mA = 0 – 1600 W/m2 with pre-set sensitivity
•
In case of a sensor re-calibration, the converter-setting scan be easily changed with the optional
•
USB controller and EKO sense software.
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
EKO INSTRUMENTS CO., LTD. 4-20mA Signal Converter MC-11 Instruction Manual V1
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4-2. Package Contents
Check the package contents first; if any missing item or damage is noticed, please contact EKO immediately.
Table 4-1 Package Contents
Standard Items
Qty.
Signal Converter
1 unit
Grounding Terminal
1 pc.
Grounding Terminal
4pc.
Quick Start Guide
Accommodated in Aluminium box
1
Optional Items
Qty.
USB Controller
1 unit
Connecting cable
1 pc.
Software
1pc.
Quick Start Guide
Remarks
Remarks
1m with clamps
On USB memory stick
1
S
EKO INSTRUMENTS CO., LTD. 4-20mA Signal Converter MC-11 Instruction Manual V1
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5. Getting Started
5-1. Parts Name
Each part name and its main functions are described below.
3
1
5
2
7
4
6
Figure 5-1. Parts Name
Table 5-1.
Parts Name and Terminal Numbers
Parts Name
Terminal Numbers
1
Pyranometer Signal Input Terminal ( - )
1
2
Pyranometer Signal Input Terminal ( + )
2
3
Temperature sensor (NTC 10kΩ)
3
4
Temperature sensor (NTC 10kΩ)
4
5
4-20mA Output & Power Supply Input Terminal ( - )
5
6
4-20mA Output & Power Supply Input Terminal ( + )
6
7
Ground terminal
N/A
EKO INSTRUMENTS CO., LTD. 4-20mA Signal Converter MC-11 Instruction Manual V1
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5-2. Setup
1. Installation
After installation of the solar sensor the 4-20mA Converter can be installed. Open the enclosure of the 420mA Converter by releasing the 4 top screws. Guide the sensor cable through the cable gland and secure
the cable gland to secure and seal the cable.
Note: In industrial environments to reduce potential EMI effects, the cable between sensor and converter
need to be short (<1m).
Note: Make sure that the power supply or current loop measurement device is switched off during installation
of the sensor output cable.
2. Electrical connection
(Input) Connect the sensor terminals to the input terminal of the 4...20mA converter as shown in the wiring
diagram below. For EKO pyranometers the Red terminal is connected to the (+ terminal 2) and the Blue
terminal to the (- terminal 1) of the converter input. The cable shield must be connected to the aluminium
housing by using the copper screw attached.
(Output) Guide the 2 wires output cable through the cable gland and secure the cable gland to seal the
cable. Connect the two wires to the output terminals of the converter (Voltage to + terminal 6 and return wire
to – terminal 5) and mount the cable shield to the aluminium housing by using the copper screws.
Mount the cover onto the enclosure and secure it with the 4 screws firmly. The 4-20mA converter is now
ready to be used. For proper operation one should apply a supply voltage in the range as specified. The
minimum required supply voltage is 12 VDC, which is needed to feed the internal electronics. In case of very
long cables the voltage loss across the cable must be compensated (24 VDC supply voltage recommended).
Figure 5-2. Wiring current output (4-20mA)
EKO INSTRUMENTS CO., LTD. 4-20mA Signal Converter MC-11 Instruction Manual V1
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Wiring with fuse protection
Even tough the output terminals are protected against surge a fuse can be applied in addition.
※ Example for a 0-1V measurement
device and 50Ω precision shunt
resistance.
Figure 5-3. Wiring Voltage output (0.2 – 1V)
EKO INSTRUMENTS CO., LTD. 4-20mA Signal Converter MC-11 Instruction Manual V1
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5-3. Measurement
1. Calculation of Solar Irradiance from Current Output
Current conversion
2
Only for pre-set solar sensitivity values (4-20 mA = 0 – 1600 W/m ).
2
To convert the mA output signal into the measurement unit [W/m ] the following formula has to be used:
I = (Iout – 4mA) x 100
Where:
2
I
= Solar Irradiance [W/m ]
Iout
= Measured Current [mA]
Voltage conversion
2
Only for pre-set solar sensitivity values (4-20 mA = 0 – 1600 W/m ).
Measure the voltage across the precision shunt resistor, which is connected in series with the 4-20mA output
2
cable. To convert the V output signal into the measurement unit [W/m ] the following formula has to be used:
I = (V / R * 1000 – 4mA) x 100
Where:
2
I
= Solar Irradiance [W/m ]
V
= Measured Voltage [V]
R
= Precision Shunt Resistance [Ω]
Example:
a)
When 50Ω resistance is used, the voltage at the both ends of the shunt resistance would be 200mV
to 1V, and it is equivalent to 0 to 1600W/m
b)
2
When 500Ω resistance is used, the voltage at the both ends of the shunt resistance would be 2V to
10V, and it is equivalent to 0 to 1600W/m
2
EKO INSTRUMENTS CO., LTD. 4-20mA Signal Converter MC-11 Instruction Manual V1
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6. USB Controller / Software
6-1. EKO Sense Configurator software
EKO Sense configurator software is a generic configurator tool for all EKO sensor converters, which works in
combination with the EKO SENSE 4-20mA USB Controller. It is used to change settings to the sensor input and
output range or check the functionality of the solar sensor. The USB controller is a digital PC communication
interface and provides power to the 4-20mA converter.
6-2. Installation
Install the Windows software (executable file) provided on the EKO USB memory stick. After installation the
software can be used when the EKO Sensor USB controller is connected to the PC.
In the menu options Tools/languages different languages can be selected (English, Spanish, Portuguese,
Japanese).
6-3. Electrical connection
Connect the USB controller to a PC and connect the red (+) and black clamp (-) to the output to the sensor output
of the 4-20mA Converter. Power will be supplied from the USB port.
Figure 5-3. Wiring USB Controller)
EKO INSTRUMENTS CO., LTD. 4-20mA Signal Converter MC-11 Instruction Manual V1
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6-4. Operating
Select the transmitter type and the USB controller will automatically detect the transmitter within 5s. When the
transmitter can’t be found, go to Tools/Search and connect and re-connect the transmitter again. The serial port
settings of the USB controller can verified at Tools/Serial Port Configuration.
The Software has several functions explained in the next paragraph. It gives a number of standard functions to
open / save settings or make a report of the setting applied.
4.
1.
2.
3.
5.
Change settings
1.
Select Sensor type
2.
Set sensitivity (Sensor calibration written on the serial number label or calibration certificate)
3.
Set Irradiance / mA output range
4.
Write device.
Note: when changes are made, write new settings to device. When the setting file is uploaded, the settings will
remain, even when the power is switched of.
2
5. Sensor output can be tested through the Read function (mV, Irradiance W/m , temperature (Only when a
temperature sensor (NTC 10kΩ) is connected)).
Setting files can be saved (Save) or printed (Report).
EKO INSTRUMENTS CO., LTD. 4-20mA Signal Converter MC-11 Instruction Manual V1
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7. Troubleshooting
7-1. Troubleshooting
Check the following items in case of trouble with the Solar Sensor Converter combination. If any questions
should remain, contact EKO for further technical support.
Table 7-1. Troubleshooting 4-20mA Converter
Failure
Action
There is no output from the signal
Check the output cable connection, and make sure there are no
converter.
disconnections. Check to make sure that DC12~24V of power supply
voltage is supplied.
Output value from the signal
Check the input cable connection, and make sure there are no
converter is not appropriate.
disconnections.
The convert output is more than
Make sure the input signal voltage is less than 1600W/m , which is
20mA.
calculated with the solar sensor sensitivity.
The converter output is less than
Check whether the + and – wirings are connected in reverse polarity.
4mA.
NOTE:
2
During nighttime conditions a negative voltage can be detected
known as the sensor zero-offset A effect (Only thermopile pyranometers).
Signal converter output is
Check for any loose wire/cable connections.
unstable.
Table 7-2. Troubleshooting 4-20mA USB Controller
Failure
No connection possible
Action
Check the connection. The 4-20mA converter can only be found during a
short period after connection. Re-insert the USB controller, or reconnect the
Jack plug, or reconnect the red clamp.
No change to made to converter
Settings will only be active after writing the new settings. When changes are
settings
made to the settings menu the status field will indicate (Synchronized or Not
Synchronized)
Read function doesn’t display any
Check the connection
measured data
EKO INSTRUMENTS CO., LTD. 4-20mA Signal Converter MC-11 Instruction Manual V1
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8. Specifications
8-1. Main Unit
Table 8-1. Main Unit Specification
Characteristics
Details
Input Range
DC 0 to 100mV
Output
DC 4 to 20mA
Resolution
<5μV
Input Impedance
>10MΩ
Temperature Response (-20~50℃)
< 0.2%
Accuracy Assured Operating Temperature Range
-20 to +50℃
Operating Humidity Range
< 95RH% (no condensation)
Response Time
1sec. (99% Output)
Non-Linearity
< 0.1% (0-100mV)
Zero Offset
<5μV (Output offset value when 0mV at input @ 500Ω)
Power Supply Voltage Conversion Error
<0.05% (When supply voltage changed from 12V to 24V)
Power Supply
DC 12~24 V ±20%
Power Consumption
0.08~0.75W
Dimension
φ45 × 23mm
Weight
0,24 kg
Aluminium box
IP 65
Dimensions 64 x 98 x 36 / Cable gland M12 (ø3-6mm)
8-2. USB Controller and configurator software
Table 8-2. USB Controller
USB Controller / EKO Sense software
Windows 7, 8
Weight
0,05 kg
Cable
1m / gator clamps
EKO INSTRUMENTS CO., LTD. 4-20mA Signal Converter MC-11 Instruction Manual V1
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8-3. Dimensions
Unit (mm)
Figure 8-1. Dimensions
Figure 8-2. Box Dimensions
EKO INSTRUMENTS CO., LTD. 4-20mA Signal Converter MC-11 Instruction Manual V1
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Japan: www.eko.co.jp
Europe: www.eko-eu.com
USA: www.eko-usa.com
EKO INSTRUMENTS CO., LTD. 4-20mA Signal Converter MC-11 Instruction Manual V1
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