KYOWA
WGA-710C
Instrumentation Amplifier

  • Key lock to prevent wrong operation
  • Suitable excitation voltage for transducer is selectable
  • Built-in remote sensing detection circuit enables highly accurate measurement

Description

WGA-710C, Instrumentation Amplifier

The WGA-710C is a multi-functional Instrumentation Amplifier with a digital display. A low noise amplifier is adopted to ensure stable measurement.

WGA-710C-0E, Standard

Models:

  • WGA-710C-0E: Power supply 100 VAC
  • WGA-710C-0 A115E: Power supply 115 VAC
  • WGA-710C-0 A200E: Power supply 200 VAC
  • WGA-710C-0 A220E: Power supply 220 VAC

Channels: 1

Applicable Transducers: Strain-gage Transducers

Compatible Bridge Resistance: 87.5 Ω to 10 kΩ (Up to 4 transducers with 350 Ω bridge resistance connected in parallel)

Sampling Speed: Approx. 15 times/s

External Signal:

  • D/Z
  • T/H
  • H/M
  • Non-voltage contact signal
  • Open collector (NPN)

WGA-710C-1E, With BCD Data Output

Models:

  • WGA-710C-1E: Power supply 100 VAC
  • WGA-710C-1 A115E: Power supply 115 VAC
  • WGA-710C-1 A200E: Power supply 200 VAC
  • WGA-710C-1 A220E: Power supply 220 VAC

It enables WGA-710C-1E to output indicated values as BCD (binary coded decimal).

With BCD Data Output

Output Mode: Isolated open collector (NPN)

Driving Capacity: 30 VDC, 20 mA

Output Signals:

  • 4-digital BCD value
  • Minus sign
  • OVER signal
  • Print command (EOC); positive or negative logic selected by the switch.

Input Command:

  • BCD hold
  • Output disable
  • Negative logic

WGA-710C-2E, With EIA-232-D (RS-232C)

Models:

  • WGA-710C-2E: Power supply 100 VAC
  • WGA-710C-2 A115E: Power supply 115 VAC
  • WGA-710C-2 A200E: Power supply 200 VAC
  • WGA-710C-2 A220E: Power supply 220 VAC

EIA-232-D (RS-232C) enables this model to transmit indicated data and status signals and write preset high/low limit values to external equipment without digitizing.

With EIA-232-D

Signal System: RS-232C full duplex system

Transmission Mode: Asynchronous

Baud Rate: 4800 bps

Bit Structure:

  • 7 data bits,
  • 1 stop bit
  • Odd parity bit

WGA-710C-3E, With Analog Amplifier

Models:

  • WGA-710C-3E: Power supply 100 VAC
  • WGA-710C-3 A115E: Power supply 115 VAC
  • WGA-710C-3 A200E: Power supply 200 VAC
  • WGA-710C-3 A220E: Power supply 220 VAC

This model is designed to amplify and output the analog signal of transducer to external equipment without digitizing.

With Analog Amplifier

Measuring Range: ±3.2 mV/V

Zero Adjustment Range: ±2.5 mV/V

Sensitivity Adjustment Range: 0.5 to 3.0 mV/V is adjusted to 10 V

Calibration: 1 mV/V ±0.1%

Voltage Output: ±10 V (Load resistance 2 kΩ or more) Nonlinearity: Within ±0.03% FS

Current Output: 4 to 20 mA (Load resistance 350 Ω or less (Corresponding to voltage output of 0 to 10 V)

Nonlinearity: Within ±0.1%FS

Frequency Response: DC to 1 kHz

WGA-710C-4E, With DA Converter

Models:

  • WGA-710C-4E: Power supply 100 VAC
  • WGA-710C-4 A115E: Power supply 115 VAC
  • WGA-710C-4 A200E: Power supply 200 VAC
  • WGA-710C-4 A220E: Power supply 220 VAC

This model can output an analog signal with the digital indication. Digital zeroing, hold and smoothing functions are provided.

With DA Converter

Output Analog Signal Level: +10 V, 20 mA for the full scale setting on the case

Zero Adjustment Range: Within ±10%FS

Sensitivity Adjustment Range: Within ±10%FS

Nonlinearity: Within ±0.1%FS

Frequency Response: Depends on the sampling cycle (Approx. 15 times/s)

Withstand Voltage: 500 VAC for one minute with the case

Voltage Output: 0 to 10 V (Load resistance 2 kΩ or more)

Current Output: 4 to 20 mA (Load resistance 350 Ωor less (Corresponding to voltage output of 0 to 10 V)

WGA-710C-5E, With Isolation Analog Amplifier

Models:

  • WGA-710C-5E: Power supply 100 VAC
  • WGA-710C-5 A115E: Power supply 115 VAC
  • WGA-710C-5 A200E: Power supply 200 VAC
  • WGA-710C-5 A220E: Power supply 220 VAC

This model is designed to amplify and output the analog signal of a transducer to external equipment without digitizing.

WGA-710C-6E, With 8-step Comparator

Models:

  • WGA-710C-6E: Power supply 100 VAC
  • WGA-710C-6 A115E: Power supply 115 VAC
  • WGA-710C-6 A200E: Power supply 200 VAC
  • WGA-710C-6 A220E: Power supply 220 VAC

This model provides 4 sets of high/low limits for comparison. The high/low limit relay (transformer contact) outputs the result of 1 set of high/low limits compared.

With 8-step Comparator

Comparison Points: 8 (4 each high/low limits)

Setting Methods: Select from external contact input and set by the panel keys

Setting Range: 0 to ±9999

Output Modes: Isolated open collector (NPN)

Drive Capacity: 30 VDC, 20 mA

WGA-710C-12E, With BCD Data Output and EIA-232-D (RS-232C)

Models:

  • WGA-710C-12E: Power supply 100 VAC
  • WGA-710C-12 A115E: Power supply 115 VAC
  • WGA-710C-12 A200E: Power supply 200 VAC
  • WGA-710C-12 A220E: Power supply 220 VAC

This model enables simultaneous use of BCD data output and RS-232C.

With BCD Data Output

Output Mode: Isolated open collector (NPN)

Driving Capacity: 30 VDC, 20 mA

Output Signals:

  • 4-digital BCD value
  • Minus sign
  • OVER signal
  • Print command (EOC); positive or negative logic selected by the switch.

Input Command:

  • BCD hold
  • Output disable
  • Negative logic

Input Mode: Non-voltage contact signal or open collector (NPN)

With EIA-232-D

Signal System: RS-232C full duplex system

Transmission Mode: Asynchronous

Baud Rate: 4800 bps

Bit Structure:

  • 7 data bits, 1 stop bit
  • Odd parity bit

WGA-710C-14E, With BCD Data Output and DA Converter

Models:

  • WGA-710C-14E: Power supply 100 VAC
  • WGA-710C-14 A115E: Power supply 115 VAC
  • WGA-710C-14 A200E: Power supply 200 VAC
  • WGA-710C-14 A220E: Power supply 220 VAC

This model enables simultaneous use of BCD data output and DA converter.

With DA Converter

Output Analog Signal Level: +10 V, 20 mA for the full scale setting on the case

Zero Adjustment Range: Within ±10%FS

Sensitivity Adjustment Range: Within ±10%FS

Nonlinearity: Within ±0.1%FS

Frequency Response: Depends on the sampling cycle (Approx. 15 times/s)

Withstand Voltage: 500 VAC for one minute with the case

Voltage Output: 0 to 10 V (Load resistance 2 kΩ or more)

Current Output: 4 to 20 mA (Load resistance 350 Ω or less)(Corresponding to voltage output of 0 to 10 V)

With BCD Data Output

Output Mode: Isolated open collector (NPN)

Diving Capacity: 30 VDC, 20 mA

Output Signals:

  • 4-digital BCD value
  • Minus sign
  • OVER signal
  • Print command (EOC); positive or negative logic selected by the switch.

Input Command:

  • BCD hold
  • Output disable
  • Negative logic

Input Mode: Non-voltage contact signal or open collector (NPN)