KYOWA WGA-910A Series Instruction Manual
For options bcd, d/a, rs-485, bcd and d/a
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Generally, company names and trade names described in this Instruction Manual are trademarks or registered
trademarks of the companies.
This Instruction Manual may not be copied or reproduced, in whole or part, without consent of KYOWA.
Copyright © Kyowa Electronic Instruments Co., Ltd. All rights reserved.
The contents of the Instruction Manual are subjected to change without prior notice.
Please follow the safety precautions and other precautions described in this manual.
INSTRUMENTATION AMPLIFIER
WGA-910A-1: BCD
WGA-910A-2: D/A
WGA-910A-3: RS-485
WGA-910A-12: BCD and D/A
Thank you for purchasing KYOWA's product WGA-910A Instrumentation
Amplifier.
Read this Instruction Manual carefully in order to make full use of the high
performance capabilities of the product.
Do not use the product in methods other than described in this Manual.
INSTRUCTION MANUAL
(FOR OPTIONS)
IM-A-1142 July 2017
WGA-910A
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Table of Contents
Related Manuals for KYOWA WGA-910A Series
Summary of Contents for KYOWA WGA-910A Series
- Page 1 Generally, company names and trade names described in this Instruction Manual are trademarks or registered trademarks of the companies. This Instruction Manual may not be copied or reproduced, in whole or part, without consent of KYOWA. Copyright © Kyowa Electronic Instruments Co., Ltd. All rights reserved.
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Page 2: Table Of Contents
CONTENTS CONTENTS STANDARD ACCESSORIES OPTIONAL ACCESSORIES SAFETY PRECAUTIONS PRECAUTIONS ON CE MARKING NOTATIONS USED IN THE INSTRUCTION MANUAL IMPORTANT PRECAUTIONS WHEN USING WGA-910A AND OPTIONAL UNITS 1. BCD OUTPUT 1-1. OUTLINE OF PRODUCT 1-2. CONTROLS AND INDICATORS (REAR PANEL) 1-3. BCD OUTPUT SPECIFICATIONS 1-4. - Page 3 6. MAINTENANCE 7. OUTSIDE DRAWING 7-1. WGA-910A-1: BCD OPTION 7-2. WGA-910A-2: D/A OPTION 7-3. WGA-910A-3: RS-485 OPTION 7-4. WGA-910A-12: BCD and D/A OPTION 8. APPENDIX 8-1. Option Setting...
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Page 4: Contents
STANDARD ACCESSORIES The following accessories are packed with the WGA-910A-1, WGA-910A-2, WGA-910A-3, WGA-910A-12. When unpacking, check the contents to ensure that all accessories are enclosed. Instruction Manual 1 (CD-R) Test Certificate and Warranty 1 each *1. Including a PC software for a SD card. OPTIONAL ACCESSORIES <BCD connector>... -
Page 5: Safety Precautions
PRIOR TO USE For safe use of the product, do not forget to read the “Safety Precautions” prior to use. Kyowa Electronic Instruments Co., Ltd. assumes no liability for any damage resulting from the user's failure to comply with the safety precautions. - Page 6 WGA-910A to the measuring object and external devices, PC, etc. Fuse Used for preventing a fire hazard. If you want to replace fuses, contact KYOWA or our representatives. Inflammable Gaseous Environment To prevent fire and explosion hazards, do not operate the WGA-910A where it is exposed to inflammable gases, inflammable vapors or inflammable dust.
- Page 7 CAUTION Caution Be sure to observe the safety precautions described in the WGA-910A Instruction Manual. Do not use the product outdoors Or, it may cause electric shock, fire hazard, lower the performance and cause troubles. Do not turn ON the power switch immediately after turning it OFF After turning OFF the power switch, wait (5 seconds) until the power supply is shut OFF before turning ON the power switch again.
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Page 8: Precautions On Ce Marking
PRECAUTIONS ON CE MARKING NOTE When satisfying the following conditions, we evaluated the compatibility against the requirements of the EU Directives and confirmed that the product satisfied the requirements. To connect products, be sure to use the shielded D/A output cable, shielded BCD output cable and shielded RS-485 cable. -
Page 9: Notations Used In The Instruction Manual
NOTATIONS USED IN THE INSTRUCTION MANUAL The following notations are used in the Instruction Manual for convenience. Names described on the panel surface Names described on the panel surface are expressed in double quotation mark " ". Informational notes Certain notations are used as necessary to attract your attention to information that requires special care when handing the product, and to information provided for reference purposes. -
Page 10: Bcd Output
1. BCD OUTPUT 1-1. OUTLINE OF PRODUCT The WGA-910A-1 is an instrumentation amplifier with the BCD option. These products are able to retrieve the indicated values as the BCD data. The product is able to control the PLC (sequencer), and be able to print data by using printers. In addition, the input/output circuit is insulated from the WGA-910A circuit. -
Page 11: Bcd Output Specifications
1-3. BCD OUTPUT SPECIFICATIONS Output ......BCD data: 20 bits (4-bit ×5-digit) Binary data: 18 bits (offset binary) Minus code: 1 bit Over: 1 bit EOC (End Of Conversion): 1 bit Format: Open-collector Max load capacity: 30 VDC, 20 mA (load resistance) Input ....... -
Page 12: Connecting Bcd Output
1-5. CONNECTING BCD OUTPUT Applicable connectors of the cable side are as follows when connecting the external device. Applicable connector Connector Model: FCN-361J040-AU Manufacture: FUJITSU COMPONENT LIMITED Cover Model: FCN-360C040-B Manufacture: FUJITSU COMPONENT LIMITED NOTE The model and manufacture of connectors in BCD option is different from that of BCD connectors in BCD and D/A option (Model: WGA-910A-12). - Page 13 2) Press the target key and key to register the target value. EOC Output Logic Return Measure Positive Logic Negativ Logic For EOC output logic:negative Negative Logic (open-collector output:ON) For EOC output logic:positive Positive Logic (open-collector output:OFF) Push the target key and 'Register'key. Register (3) Polarity Logic Sets the logic of the minus (polarity) output.
- Page 14 (5) Data Form Sets to change BCD or binary for the type of outputted data. <Setting Range> BCD / Binary BCD Output Setting Return Measure The transmission speed of BCD <How to operate> Transmission Speed data is set. 16times/sec 1) Press the key on the “BCD Output Setting (1/2)”...
- Page 15 2) Press the key to register the target value. BCD Classification Return Measure Bottom Value Peak Value Peak value is selected for Peak Value data to outoput to BCD output. Bottom value is selected for Bottom Value data to outoput to BCD output. Push the target key and 'Register'key.
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Page 16: Bcd Signal Timing
1-7. BCD SIGNAL TIMING The operation timing is as follows. Delay time (Delay time between input and BCD output) = (Delay time between input and D/A output) + (BCD conversion time) Delay time between input and D/A output : Max. 3 msec (Analog Filter: none , Moving Average none) BCD conversion time: Max. - Page 17 NOTE The “Holding Input” does not hold the indicating values. The BCD data output and binary data output do not output decimal points. When the OUTPUT-prohibited signal is "L (ON)", the transistor outputs are all OFF. To load the EOC data (negative logic), load the BCD data, POL (negative polarity) data, and OVER data within T1/2 (msec) from the rising edge ("L (ON)"...
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Page 18: D/A Output
2. D/A OUTPUT 2-1. OUTLINE OF PRODUCT The WGA-910A-2 is an instrumentation amplifier with the D/A output option. These products are able to convert the measured values into analog signals and output them. Convenient for processing such as recording, etc. by connecting the oscilloscope or AD board for the PC, etc. Set the measured value (zero display) of 0 V or 4 mA output and measured value (full display) of 10 V or 20 mA output for the analog (D/A) output to work with the measured value. -
Page 19: D/A Output Specifications
2-3. D/A OUTPUT SPECIFICATIONS Output Voltage ....±10 V (load resistance 2 kohm or more), arbitrary scaling is available. Output Current ....4 to 20 mA (load resistance 500 ohm or less) 4 to 20 mA output is fixed when the voltage 0 to 10 V is applied. Insulation Voltage 250 VAC for 1 minute (output voltage and output current are non-insulated) Conversion Speed ..... -
Page 20: D/A Output Set
2-6. D/A OUTPUT SET 2-6-1. D/A Display Sets the measured value (zero display) of 0 V or 4 mA output and the measured value (full display) of 10 V or 20 mA output. <Setting Range> Zero Dsp. (Zero Display): -99999 to 99999 Option Setting Return Measure... -
Page 21: D/A Classification
2-6-2. D/A Classification For the [Block Peak-Bottom] and [Time Peak-Bottom] only. Outputs the target data to the D/A output. <Setting Range> Peak value or bottom value <How to operate> D/A Output Setting Return Measure 1) Press the key on the "D/A Output Setting" The indicated value that is window. -
Page 22: Rs-485 Options
3. RS-485 OPTIONS 3-1. OUTLINE OF PRODUCT The WGA-910A-3 is instrumentation amplifier with the RS-485 option. These products are able to set various functions and read mesured values by using external devices. These products are able to connect multiple WGA-910A-3 units on the RS-485 network and able to control them. NOTE The RS-232C of the standard equipment is invalid and the RS-485 is valid when equipping the optional RS-485. -
Page 23: Rs-485 Specifications
3-3. RS-485 SPECIFICATIONS Signaling System ......RS-485 Half duplex system Data Rate ........2400, 4800, 9600, 19200 bps Device ID........Setting range: 1 to 99 Bit Structure........ Data bit: 7 Stop bit: 1 Parity: Odd number Flow Control....... Not compatible Setting contents...... - Page 24 2) Setting the external device Set external devices by conforming to signal specifications of the WGA-910A. RS-485 transceiver of the WGA-910A is provided with fail safe function that is designed to have the CPU output (RO) becomes 1 (Hi) when signal is received and when between [+ (noninverting A)] and [- (noninverting B)] is short-circuited or in float state.
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Page 25: Communication Procedures
3-6. COMMUNICATION PROCEDURES 1) Establishing communication Since the RS-485 is in a “one-to n” communication system, the RS-485 communication is established by specifying the ID. Use binary code available software and input the following command. Communication establishing command <ENQ>01<CR> Device ID (Specified with 2 digits.) After establishing the communication, the following response is received. -
Page 26: Control Command
3-7. CONTROL COMMAND The following is an explanation of the formats and kinds of control commands which are output to the WGA-910A from external equipment such as PC. Sets the control command that is output from the external device to WGA-910A. (1) Outline of the control command 1) Control command code ・Control command conforms to ASCII code (3 capital letters). -
Page 27: Operation And Function Of The Com. Setting （Communication Setting)
3-8 OPERATION AND FUNCTION OF THE COM. SETTING （COMMUNICATION SETTING) (1) Communication Speed Sets the communication speed (baud rate) of the RS-485. <Setting Range> Switch Hold Zero 2400, 4800, 9600, 19200 (bps) Detecting Measure 1 Holding Block Peak-Bottom <How to operate> 1) Press the key on the “Measuring”... - Page 28 (2) Transmission Mode Sets the transmission mode of the communication such as the measured value, sending method of the status, operation by the command, etc. <Setting Range> Repeat Output Continuously outputs the measured value and status (such as the HH comparator is ON, etc). Output at Hold Outputs the measured value and status once during the holding time.
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Page 29: Bcd And D/A Output Setting
4. BCD and D/A OUTPUT SETTING 4-1. OUTLINE The measured value can be acquired as BCD or binary coded data, and the measured value output converted to the analog signal can be taken out simultaneously by the optional BCD and D/A output. 4-2. -
Page 30: Bcd And D/A Output Specifications
4-3. BCD AND D/A OUTPUT SPECIFICATIONS 4-3-1. BCD / Binary output Output ......BCD data: 20 bits (4-bit ×5-digit) Binary data: 18 bits (offset binary) Minus code: 1 bit Over: 1 bit EOC (End Of Conversion): 1 bit Format: Open-collector Max load capacity: 30 VDC, 20 mA (load resistance) Input ....... -
Page 31: Outline Of Bcd / Binary Output
4-4. OUTLINE OF BCD / BINARY OUTPUT The setting contents of BCD / binary output by the optional BCD and D/A output is the same as that of the optional BCD output. (Refer to “1-6. BCD Output Set.”) 4-5. PIN NUMBERS AND SIGNAL NAMES OF THE BCD OUTPUT TERMINAL Pin assignments of the BCD output are as follows. -
Page 32: Outline Of D/A Output
4-7. OUTLINE OF D/A OUTPUT The setting contents of D/A output of the optional BCD and D/A output is the same as that of the optional D/A output. (Refer to “2-6. D/A Output Set.”) In addition, the output circuit is insulated from the WGA-910A main circuit and the resolution is 14 bits equivalent. (Output range: -10 to +10 V, 4 to 20 mA) Conversion speed is 2000 times/sec. -
Page 33: Trouble Shooting
If the product is damaged due to any causes other than as written in the Instruction Manual or if the user has disassembled or remodeled the product, Kyowa Electronic Instruments Co., Ltd. may not be able to offer repair service. -
Page 34: Maintenance
Maintenance service should be performed at the intervals specified below. (1) Calibration of apparatus An annual maintenance inspection is recommended to ensure the operation and measuring accuracy of the product. Must be returned to KYOWA for the scheduled maintenance inspection. (2) Replacement of limited life parts Item Content... -
Page 35: Outside Drawing
7. OUTSIDE DRAWING 7-1. WGA-910A-1: BCD OPTION... -
Page 36: Wga-910A-2: D/A Option
7-2. WGA-910A-2: D/A OPTION... -
Page 37: Wga-910A-3: Rs-485 Option
7-3. WGA-910A-3: RS-485 OPTION... -
Page 38: Wga-910A-12: Bcd And D/A Option
7-4. WGA-910A-12: BCD and D/A OPTION... -
Page 39: Appendix
8. APPENDIX 8-1. Option Setting Item Function Name Parameter Name Setting Value Initial Value Com. Setting Communication Speed 0: 2400 bps, 1: 4800 bps, 9600 bps 2: 9600 bps, 3: 19200 bps Transmission Mode 00: Repeat. Output, Tx and Rx 02: Output at Hold, 10: Tx and Rx Device ID... - Page 40 Kyowa Electronic Instruments Co., Ltd. 3-5-1, Chofugaoka, Chofu, Tokyo 182-8520 Japan http://www.kyowa-ei.com/...