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KYOWA WGA-910A Instruction Manual

Instrumentation amplifier
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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-1142E December 2023
WGA-910A

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Summary of Contents for KYOWA WGA-910A

  • 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.

  • Page 3: Table Of Contents

    SAFETY PRECAUTIONS ········································································ 2 PRECAUTIONS ON CE MARKING ······························································· 5 NOTATIONS USED IN THE INSTRUCTION MANUAL ·············································· 6 IMPORTANT PRECAUTIONS WHEN USING WGA-910A AND OPTIONAL UNITS ······················ 6 1. BCD OUTPUT ················································································ 7 1-1. OUTLINE OF PRODUCT ··································································· 7 1-2. CONTROLS AND INDICATORS (REAR PANEL) ·············································· 7 1-3.
  • Page 4 7. OUTSIDE DRAWING ········································································· 34 7-1. WGA-910A-1: BCD OPTION ······························································· 34 7-2. WGA-910A-2: D/A OPTION ································································ 35 7-3. WGA-910A-3: RS-485 OPTION ····························································· 36 7-4. WGA-910A-12: BCD and D/A OPTION ······················································ 37 8. APPENDIX ·················································································· 38 8-1. Option Setting ············································································ 38...

  • Page 5: Standard Accessories

    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) *1 Product Warranty Software License Agreement *1. Including a PC software and a setting file for wave comparison mode.

  • Page 6: 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 7 ●Confirmation of Protective Ground To prevent an electric shock hazard, be sure to check safe protective ground function before operating the WGA-910A. If any abnormal matters are found in the protective ground function, fuse holder, etc., do not operate the WGA-910A.
  • Page 8 After the power ON, always preheat the product for approximately 30 minutes. ● Cleaning When the product gets dirty, clean the product with a dry soft cloth. When dust exists inside the WGA-910A, clean it by using an air blow gun. Do not touch electronic parts.

  • Page 9: 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 10: Notations Used In The Instruction Manual

    NOTE Essential precautions required when handling the product. MEMO Reference items required when handling the product. IMPORTANT PRECAUTIONS WHEN USING WGA-910A AND OPTIONAL UNITS NOTE The output signal (voltage/current) when the transducer cable is broken.  When the transducer cable is broken, the product may output the following output signal (voltage/current).

  • Page 11: 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.

  • Page 12: Bcd Output Specifications

    (Note 2): Detecting Block Output (Pin No. A13) When in detecting block: Open collector output is ON (Low). 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: Connecting Bcd Output

    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). 1-6. SETTING BCD OUTPUT (1) Transmission Speed Sets the transmission speed of the BCD data output.
  • Page 14 2) Press the target key and Register key to register the target value. EO C O ut put Logi c Ret ur n M easur e Posi t i ve Logi c Negat i v Logi c For EO C out put l ogi c: negat i ve Negat i ve Logi c ( open-col l ect or out put : O N) For EO C out put l ogi c: posi t i ve...

  • Page 15: Binary Data

    (5) Data Form Sets to change BCD or binary for the type of outputted data. <Setting Range> BCD / Binary BCD O ut put Set t i ng Ret ur n M easur e <How to operate> The t r ansm i ssi on speed of BCD Tr ansm i ssi on Speed dat a i s set .
  • Page 16 (6) BCD Classification Outputs the target data to the BCD output. <Setting Range> Hold Value 1, Hold Value 2 or Measured value (See next page for details) <How to operate> 1) Press the BCD Classification key on the "BCD Output Setting BCD O ut put Set t i ng Ret ur n M easur e...
  • Page 17 < Setting Range of BCD Classification > When you change the operation mode, the items (screen) that can be set change. Items are as follows. Mode name Notation of setting Hold Value 1 Hold Value 2 Measured Value screen Normal Normal ―...

  • Page 18: 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 19 The BCD data output COM and binary data output COM are connected to the control input COM of the  WGA-910A. When the indicating value is in the detecting block or holding block, as the WGA-910A outputs the  BCD data or binary data, the “Detecting Block Output” or “Holding Block Output” becomes ON.

  • Page 20: D/A Output

    (D/A) output to work with the measured value. In addition, the output circuit is insulated from the WGA-910A main circuit and the resolution is 14-bit or equivalent to -10 to +10 V and 4 to 20 mA.

  • Page 21: 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 22: 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 O pt i on Set t i ng Ret ur n M easur e...

  • Page 23: D/A Classification

    2-6-2. D/A Classification Outputs the target data to the D/A output. <Setting Range> Hold Value 1, Hold Value 2 or Measured value (See next page for details) <How to operate> 1) Press the D/A Classification key on the "D/A Output Setting" D/A O ut put Set t i ng Ret ur n M easur e...
  • Page 24 < Setting Range of D/A Classification > When you change the operation mode, the items (screen) that can be set change. Items are as follows. Mode name Notation of setting Hold Value 1 Hold Value 2 Measured Value screen Normal Normal ―...

  • Page 25: Rs-485 Options

    The WGA-910A-3 is instrumentation amplifier with the RS-485 option. These products are able to set various functions and read measured 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 26: Rs-485 Specifications

    ＋ (Noninverting A) TD/RD+ － (Noninverting B) TD/RD- RS-232C － (Noninverting B) TERMINATOR N.C. Short N.C. TERMINATOR NOTE Turn OFF the both WGA-910A and external device before connecting a cable. Or, the WGA-910A may not function correctly or cause damage...
  • Page 27 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.

  • Page 28: Communication Procedures

    Initial value of the baud rate: The recommended command interval of the measured value output command [GDT1] is 50 ms or more in 9600 bps. Command transmitted Command responded by from the PC etc. the WGA-910A Transmit 2 to 20 ms Response command 5 ms...

  • Page 29: 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.

  • Page 30: 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> 2400, 4800, 9600, 19200 (bps) <How to operate> 1) Press the Com. Setting key on the “Option Setting” window. O pt i on Set t i ng Ret ur n M easur e...

  • Page 31: Transmission Mode

    Push t he t ar get key and ' Regi st er ' key. Regi st er (3) Device ID Sets the ID of the WGA-910A. The Device ID key is displayed in gray when the optional RS-485 is not equipped. <Setting Range>...

  • Page 32: Bcd And D/A Output Setting

    4. BCD and D/A OUTPUT SETTING 4-1. OUTLINE OF PRODUCT 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 33: Bcd And D/A Output Specifications

    4-3. BCD AND D/A OUTPUT SPECIFICATIONS 4-3-1. BCD / Binary output Output ....... BCD data: 20 bit (4-bit ×5-digit) Binary data: 18 bit (offset binary) Minus code: 1 bit Over: 1 bit EOC (End Of Conversion): 1 bit Output format: Open-collector (NPN) Capacity: 30 VDC, 20 mA (load resistance) Input ......

  • Page 34: Outline Of Bcd / Binary Output

    Compatible connectors of the cable side are as follows when connecting the external device. Compatible connector Connector Model: 10136-3000PE Manufacture: Sumitomo 3M Limited Cover Model: 10336-52F0-008 Manufacture: Sumitomo 3M Limited NOTE The model and manufacture of connectors in BCD and D/A option is different from that of connectors in BCD option (Model: WGA-910A-1).

  • Page 35: 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 36: 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 37: 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 38: Outside Drawing

    7. OUTSIDE DRAWING 7-1. WGA-910A-1: BCD OPTION Unit：mm...

  • Page 39: Wga-910A-2: D/A Option

    7-2. WGA-910A-2: D/A OPTION Unit：mm...

  • Page 40: Wga-910A-3: Rs-485 Option

    7-3. WGA-910A-3: RS-485 OPTION Unit：mm...

  • Page 41: Wga-910A-12: Bcd And D/A Option

    7-4. WGA-910A-12: BCD and D/A OPTION Unit：mm...

  • Page 42: 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 Tx and Rx 00: Repeat. Output, 02: Output at Hold, 10: Tx and Rx Device ID...

This manual is also suitable for:

Wga-910a-1Wga-910a-2Wga-910a-3Wga-910a-12

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