KYOWA WGA-680A Instruction Manual
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KYOWA WGA-680A Instruction Manual

Instrumentation amplifier (for bcd/rs-232c/rs-485/teds options)
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(FOR BCD/RS-232C/RS-485/TEDS OPTIONS)
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.
We assume no responsibility whatever for any damage resulting from the use of this product.
INSTRUMENTATION AMPLIFIER
AC model
WGA-680A-01: BCD/TEDS
WGA-680A-02: RS-232C/TEDS
WGA-680A-03: RS-485/TEDS
DC model
WGA-680A-11: BCD/TEDS
WGA-680A-12: RS-232C/TEDS
WGA-680A-13: RS-485/TEDS
Thank you for purchasing KYOWA's product WGA-680A 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
IM-A-1060G January 2019
WGA-680A

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Summary of Contents for KYOWA WGA-680A

  • 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 2: Table Of Contents

    SAFETY PRECAUTIONS (Do not forget to read the safety precautions prior to use.） ········································ 4 LIMITED LIFE PARTS AND PREVENTIVE MAINTENANCE··································································· 6 WGA-680A REPLACEMENT BEFORE THE END OF SERVICE LIFE ························································· 6 NOTATIONS USED IN THE INSTRUCTION MANUAL ·········································································· 6 PRECAUTIONS ON CE MARKING ···································································································...
  • Page 3 IM-A-1060G 3-6. TO SET TEDS ····················································································································· 35 4. TROUBLE SHOOTING··············································································································· 36 5. OUTSIDE DRAWING················································································································· 37 5-1.WGA-680A-01: BCD/TEDS OPTION ························································································· 37 5-2.WGA-680A-02: RS-232C/TEDS OPTION ···················································································· 38 5-3.WGA-680A-03: RS-485/TEDS OPTION ······················································································ 39 5-4.WGA-680A-11: BCD/TEDS OPTION ························································································· 40 5-5.WGA-680A-12: RS-232C/TEDS OPTION ···················································································· 41...

  • Page 4: Standard Accessories

    IM-A-1060G STANDARD ACCESSORIES The following accessories are packed with the WGA-680A-01, WGA-680A-02, WGA-680A-03, WGA-680A-11, WGA-680A-12, and WGA-680A-13. When unpacking, check the contents to ensure that all accessories are enclosed. Instruction Manual 1 (CD-R) (For WGA-680A, For BCD/RS-232C/RS-485/TEDS, For CC-Link) Product Warranty...

  • 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 After the power ON, always preheat the product for approximately 1 hour. ● Cleaning. When the product gets dirty, clean the product with a dry soft cloth. When dust exists inside the WGA-680A, clean it by using an air blow gun. Do not touch electronic parts.

  • Page 7: Limited Life Parts And Preventive Maintenance

    IM-A-1060G LIMITED LIFE PARTS AND PREVENTIVE MAINTENANCE The WGA-680A-01, WGA-680A-02, WGA-680A-03, WGA-680A-11, WGA-680A-12 and WGA-680A-13 consist of various electronic components and those components, if not all, have a useful life. Using them exceeding the years specified according to each part type (useful life) may affect the characteristics of the product, resulting in a malfunction or a failure.

  • Page 8: Precautions On Ce Marking

    IM-A-1060G 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 BCD output cables, shielded RS-232C cables and shielded RS-485 cables.Wiring should be 30 m or less.

  • Page 9: Bcd Output

    1. BCD OUTPUT 1-1. OUTLINE OF PRODUCT The WGA-680A-01(AC model) and WGA-680A-11(DC model) are an instrumentation amplifier with the BCD/TEDS options. 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 10: Pin And Signal

    IM-A-1060G 1-4. PIN AND SIGNAL Pin No. Signal name Pin No. Signal name Data Output Data Output Data Output Data Output Data Output Data Output Data Output Data Output Data Output Data Output Data Output Data Output Data 1000 Output Data 2000 Output...

  • Page 11: To Set Bcd Output

    For details of functions, see "4" in the INSTRUCTION MANUAL. To set the data output logic, polarity logic (negative polarity), and EOC logic, go to the FUNCTION SELECTING mode [F-11]. FUNCTION Key operation and WGA-680A-0* Functional description SELECTING mode movement in SETTING mode...
  • Page 12 IM-A-1060G (1) OVER signals Outputs the OVER signals when the value exceeds the input range or display range. (The OFL1, OFL2, OFL3, or OFL4 appears.) When the input range is over, the value immediately before over detection is output. It outputs 99999 in case of display + over, and -99999 in case of display - over. (2) POL (negative polarity) signals Output the POL signal when the indicated value is negative (-).

  • Page 13: Rs-232C/Rs-485

    2. RS-232C/RS-485 2-1. RS-232C OPTIONS 2-1-1. OUTLINE OF PRODUCT The WGA-680A-02(AC model) and WGA-680A-12(DC model) are instrumentation amplifier with the RS- 232C/TEDS options. These products are able to set various functions and read mesured values by using external devices. 2-1-2. CONTROLS AND INDICATORS (REAR PANEL) *Figure is AC model.

  • Page 14: Pin And Signal

    IM-A-1060G 2-1-4. PIN AND SIGNAL Pin No. Signal name Pin No. Signal name Pin type (male) N.C. Connector front 2-1-5. TO CONNECT EXTERNAL DEVICES (1) Connection cables To connect PCs, etc., use the commercially available crossover cable (reversible type). Product side PC side N.C.

  • Page 15: Rs-485 Options

    485/TEDS options. These products are able to set various functions and read mesured values by using external devices. These products are able to connect multiple WGA-680A-03, WGA-680A-13 units on the RS-485 network and able to control them. 2-2-2. CONTROLS AND INDICATORS (REAR PANEL) *Figure is AC model.

  • Page 16: To Connect External Devices

    ● Be sure to connect a terminator in the device, located at the end of the transmission line. You are able to short- circuit the pin No. 6 and pin No. 9 of the WGA-680A-03 instead of connecting the terminator 120 ohm.

  • Page 17: To Set Rs-232C And Rs-485

    To set the RS communication settings, go to the FUNCTION SELECTING mode [F-16] and [F-17]. You are able to use the FUNCTION SELECTING mode [F-17] (Device ID) on the RS-485 only. FUNCTION Key operation and WGA-680A-0* Functional description SELECTING mode...

  • Page 18: Communication Procedures

    IM-A-1060G 2-4. COMMUNICATION PROCEDURES (1) TO ESTABLISH COMMUNICATION To establish the communication, specify the device ID since the RS-485 is able to communicate multiple units. Enters the following command by using software, which is able to transmit binary codes. Communication establishing command <ENQ>01<CR>...

  • Page 19: Outline Of Control Commands

    IM-A-1060G 2-5. OUTLINE OF CONTROL COMMANDS This section describes the format, type, etc. of the control commands, output from the external devices (PC, etc.) to the products. To set control commands of the products, use external devices. (1) Control command codes ●...

  • Page 20: List Of Control Commands

    IM-A-1060G 2-6. LIST OF CONTROL COMMANDS Type Contents Functions Command Page (1) To initialize F-12 Initial settings (2) RS line test (3) Model (4) To set transmission modes (RS-232C) (5) SAVE command (6) To read indicated values GDT1 Reading (7) To read statuses (8) To display original values F-01 (9) To read pre-set values...

  • Page 21: Details Of Control Commands

    Format: SYS<CR> Parameter: None Return value format: WGA-680A-a, xx.xx, yyyyyyyyy<CR><LF> Serial No. (9 digits) Character strings (0 to 9, A, B, and C) Program version When the value has no 10th digit, it is filled with “0s” from the head.
  • Page 22 IM-A-1060G (4) [MOD] Contents: To set transmission modes Format: MODpp<CR> Parameter: 00: Repeatedly outputs the indicated values and statuses. 02: Outputs the indicated value and status only once during the Hold mode. 10: Operation by control commands Return value format: The results of the command will be disabled after turning OFF the power.

  • Page 23: Reading

    IM-A-1060G 2-7-2. Reading (6)[GDT] Contents: To read indicated values Format: GDT1<CR> Parameter: None Return value format: D1±yyyyyy<CR><LF> Indicated value: -99999 to 99999 (count) Description and others: The return value ±yyyyyy is the indicated value, including the decimal point. When the value has no decimal point, it is filled with “0s” from the head. Example Suppose the current indicated value is ＋999.99.
  • Page 24 IM-A-1060G (9) [PRR] Contents: To read pre-set values Format: PRRppp<CR> Parameter: 010: Sensitivity registering value 011: Numeric Value Registering Calibration value 012: Bridge excitation voltage pre-set value 020: Smoothing pre-set value 030: Additional Value 031: LEVEL TEST values 041: Analog output (D/A) pre-set value 050: Hysteresis pre-set value 051: The comparator value of the [HI] comparator (comparator-1) 052: The comparator value of the [LO] comparator (comparator-2)

  • Page 25: Executing

    IM-A-1060G 2-7-3. Executing (10) [CHK] Contents: Self-check Format: CHK<CR> Parameter: None Return value format: ok<CR><LF> Working properly. E-01<CR><LF> RAM error E-02<CR><LF> Flash memory error (11) [HLD] Contents: HOLD command (To execute the peak hold, etc.) Format: HLD<CR> Parameter: None Return value format: ok<CR><LF>...

  • Page 26: Settings

    IM-A-1060G (15) [LCK] Contents: To set key locks Format: LCKa<CR> Parameter: 0: OFF 1: ON Return value format: ok<CR><LF> Description and others: The settings of the command will be disabled after turning OFF the power. 2-7-4. Settings (16) [VCL] Contents: To execute actual read calibrations Return value format: VCL±yyyyyy<CR>...
  • Page 27 IM-A-1060G (19) [EID] Contents: To execute TEDS sensitivity registering calibrations Format: EID<CR> Parameter: None Return value format: rd-*<CR><LF> (*: Indicates the number of transducers which succeeded in connecting.) E-03<CR><LF> (When an error occurs) Description and others: Executes the sensitivity registrations and sets the bridge excitation voltage by using some TEDS data (rated capacity, rated output, and recommended bridge excitation voltage).
  • Page 28 IM-A-1060G (21) [SZM] Contents: To set additional values Format: SZM1, ±xxxxxx<CR> Parameter: ±xxxxxx -99999 to 99999 (count) The value, including the decimal point. When the value has no decimal point, it is filled with “0s” from the head. Return value format: ok<CR><LF>...
  • Page 29 IM-A-1060G (24) [SDR] Contents: To set display updating rates Format: SDRa<CR> Parameter: 0: 15.60 times/sec 1: 7.80 times/sec 2: 3.90 times/sec 3: 1.95 times/sec 4: 0.98 times/sec 5: 0.49 times/sec 6: 0.24 times/sec 7: 0.12 times/sec Return value format: ok<CR><LF> Description and others: Corresponding to the SAVE command [/M].
  • Page 30 IM-A-1060G (26) [OP1] Contents: To set analog outputs (D/A) Format: OP1020, a, ±xxxxxx, ±yyyyyy<CR> Parameter: a, ±xxxxxx, ±yyyyyy FULL SCALE indicated value: ±99999 (count) ZERO indicated value: ±99999 (count) The value includes the decimal point. When the value has no decimal point, it is filled with “0s” from the head. Automatic scaling 0: Manual setting 1: Automatic setting...
  • Page 31 IM-A-1060G (28) [SCV] Contents: To set comparator values Format: SCVa, ±xxxxxx<CR> Parameter: a, ±xxxxxx Comparator value: -99999 to 99999 (count) The value includes the decimal point. When the value has no decimal point, it is filled with “0s” from the head. Comparator 1: [HI] comparator (comparator1) 2: [LO] comparator (comparator2)
  • Page 32 IM-A-1060G (30) [SCF] Contents: To set comparator functions Format: SCFa, 0, c, 0, 0<CR> Parameter: a, 0, c, 0, 0 High / Low limit assignment Comparator 0: High limit 1: [HI] comparator (comparator1) 1: Low limit 2: [LO] comparator (comparator2) 3: [HH] comparator (comparator3) 4: [LL] comparator (comparator4) Return value format:...

  • Page 33: Others

    IM-A-1060G 2-7-5. Others (31) Response of the undefined command Contents: Response of the undefined command Return value format: ng<CR><LF> (33) Communication error Contents: The following items appear. Error response Framing error Parity error Overrun error ERROR A ✔ ERROR B ✔...

  • Page 34: Teds Function

    3. TEDS FUNCTION 3-1. OUTLINE OF PRODUCT The WGA-680A-01, WGA-680A-02, WGA-680A-03 WGA-680A-11, WGA-680A-12, and WGA-680A-13 are able to execute the appropriate sensitivity registrations automatically by connecting the TEDS-compatible transducers. These products are able to connect up to 4 transducers. All transducers should be the same standards.

  • Page 35: Sensitivity Registration By Command Operations

    IM-A-1060G 3-4-3. Sensitivity registration by command operations You are able to execute the TEDS data sensitivity registration from the external devices (PC, etc.) via the RS-232C interface or RS-485 interface. For details of connection of PC, see "2-1-5. TO CONNECT EXTERNAL DEVICES" and “2-2-5. TO CONNECT EXTERNAL DEVICES."...

  • Page 36: To Set Teds

    IM-A-1060G 3-6. TO SET TEDS For details of functions, see "4" in the INSTRUCTION MANUAL. To read TEDS data, go to the FUNCTION SELECTING mode [F-14]. FUNCTION Key operation and WGA-680A-0* movement Functional description SELECTING mode in SETTING mode F-14...

  • Page 37: 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 38: Outside Drawing

    IM-A-1060G 5. OUTSIDE DRAWING 5-1.WGA-680A-01: BCD/TEDS OPTION Unit: mm...

  • Page 39: 5-2.Wga-680A-02: Rs-232C/Teds Option

    IM-A-1060G 5-2.WGA-680A-02: RS-232C/TEDS OPTION Unit: mm...

  • Page 40: 5-3.Wga-680A-03: Rs-485/Teds Option

    IM-A-1060G 5-3.WGA-680A-03: RS-485/TEDS OPTION Unit: mm...

  • Page 41: 5-4.Wga-680A-11: Bcd/Teds Option

    IM-A-1060G 5-4.WGA-680A-11: BCD/TEDS OPTION Unit: mm...

  • Page 42: 5-5.Wga-680A-12: Rs-232C/Teds Option

    IM-A-1060G 5-5.WGA-680A-12: RS-232C/TEDS OPTION Unit: mm...

  • Page 43: 5-6.Wga-680A-13: Rs-485/Teds Option

    IM-A-1060G 5-6.WGA-680A-13: RS-485/TEDS OPTION Unit:mm...
  • Page 44 IM-A-1060G Kyowa Electronic Instruments Co., Ltd. 3-5-1, Chofugaoka, Chofu, Tokyo 182-8520 Japan http://www.kyowa-ei.com/...

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