KYOWA

KYOWA WGA-910A-0 Standard without option Instrumentation Amplifier

KYOWAWGA-910A-0 Standard without optionInstrumentation AmplifierSpecifications:Channels1Applicable TransducersStrain-gage transducers(TEDS compatible sensors connectable )Compatible Bridge Resistance8

  • model:

KYOWA

WGA-910A-0 Standard without option

Instrumentation Amplifier


Specifications:

Channels

1

Applicable Transducers

Strain-gage transducers
(TEDS compatible sensors connectable )

Compatible Bridge Resistance

87.5 Ω to 1 kΩ
(Up to four 350 Ω transducers connected in parallel.)

TEDS Compatible

Interface:
Compatible with IEEE1451.4 Mixed Mode Transducer Interface Class 2.

Applicable sensors:
Should have the information according to IEEE template No. 33.
(Cable length: 30 m or less)

Bridge Excitation

10, 2 VDC, selectable

Measuring Range

-3.2 to 3.2 mV/V
(Including zero adjustment range)

Zero Adjustment Range

Within measurement range
(Not retained when power supply interrupted.)

Nonlinearity

Within ±(0.02% FS + 1 digit)

Stability

Zero point: Within ±0.25μVRTI per°C
Sensitivity: Within ±0.005%/°C

Peak/Bottom Detection

Detecting scheme: Digital hold

Frequency Response

DC to 1 kHz (+1 dB, -2 dB)

Sampling Speed

4000 times/s

AD Resolution

24 bits

Analog Monitor

Voltage output: ±(5 V ±200 mV)
(load resistance 5 kΩ or more)

Indicators

3.5-inch TFT color LCD
Display area: 70.6 × 59.2 mm, 320 × 240, touchscreen

Indication

Setting range: -99999 to 99999
(Decimal point to be put anywhere.)

Update speed
Numeric value display: 4 times/s
Waveform display: 2 times/s

Calibration Function

Manual calibration:
 Sensitivity registering calibration
 Actual load calibration
 Units

TEDS auto calibration

TEDS part calibration: TEDS calibration item

TEDS operation configuration:
 TEDS reading operations
 Zero during TEDS
 TEDS information display
 Numeric value registering calibration

Smoothing Functions

Analog filter (LPF): 1, 30, 300 Hz, Flat (1 kHz or more)
Attenuation: -12 dB/oct.
Minimum scale: 1, 2, 5, 10, 20, 50, 100
Moving average: None, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048 times

Zero Compensation Function

Zero tracking (Auto digital Zero within the setting range)
Judging time: 0.00 to 9.99 s
Compensation range: 0 to 99999
Zero near zero (Auto zero display)
Setting zero: 0 to 9

Additional Value

-99999 to 99999 count

Original Values (Sensor Output Value)

-3.2000 to 3.2000 mV/V (5 digits)
Accuracy: Within ±0.1% FS

Measurement Condition Numbers

32 (16 for control input) of measurement condition file can be saved.
Capable of switching by the key operation, control input, and communication command.

Comparator Setting

Points: 4

Types: Extra high (HH), high (HI), low (LO), extra low (LL)

If there are 2 hold values, they are assigned as follows.
Hold value 1: High 1 (HI1), low 1 (LO1)
Hold value 2: High 2 (HI2), low 2 (LO2)

Setting range: ±99999

Hysteresis width: 0 to 9999
 Using comparator can be set.

Output logic: Positive/negative

Comparison speed: 4000 times/s (Normal comparative mode)

Judgment Function

Point : 1
Type : OK

Waveform Comparison Setting

Points: 2
Type: Wave HI, Wave LO
Set reference waveform, waveform comparison HI, waveform comparison LO, move waveform, comparison area, register waveform
Waveform comparison logic: Positive/negative

Waveform Judgment Function

Type : 1
Point : OK

Motion Detect

Motion detect function: Enable/disable
Motion detect width: 0 to 99999
Motion detect time: 0.01 to 9.99
Motion detect logic: Positive/negative

Measuring Mode Setting

Operation modes:
 Normal
 Peak hold
 Block-specified peak hold
 Time-specified peak hold
 Bottom hold
 Block-specified bottom hold
 Time-specified bottom hold
 Arbitrary point hold
 Block peak-bottom hold
 Time peak-bottom hold
 Block average hold
 Time average hold
 Bock inflection hold
 Time inflection hold
 Block maximal/minimal hold
 Time maximal/minimal hold
 Block peak/average hold
 Time peak/average hold
 Block bottom/average hold
 Time bottom/average hold
 Block peak/arbitrary hold
 Time peak/arbitrary hold
 Block bottom/arbitrary hold
 Time bottom/arbitrary hold
 Previous value comparison peak hold
 Block previous value comparison peak hold
 Time previous value comparison peak hold
 Previous value comparison bottom hold
 Block previous value comparison bottom hold
 Time previous value comparison bottom hold

Detect time: 0.01 to 9.99 s

Delay time: 0.00 to 9.99 s

The following settings can be changed according to the operation mode.
 Detection trigger level
 Detection trigger way
 Inflection point discrimination time
 Inflection point discrimination value
 Extreme value discrimination setting
 Initial value for compare with measuring value

Comparison mode:
 Normal comparison
 Hold comparison

Display mode:
 Normal display
 Hold display

Waveform Display

X-axis setting
End point: 0.5, 1.0, 2.0, 5.0, 10.0, 20.0, 50.0, 100.0 s.

Y-axis setting
Start point: -99999 to 99999
End point: 250, 500, 1000, 2000, 5000, 10000, 20000, 50000, 100000, 200000

Start mode of waveform, passed level, passed level way, holding time of waveform.
The WGA displays the waveform of the input variation regardless to the Operation Modes setting.

System

Key lock
Setting value initialize
Backlight illumination time
Language
Clock
Comparison display color
Display stability

Self-check

Memory
Channel

Operation Check

Display
Touchscreen
Control Input/output
Communication
BCD output
DA output
SD card

Control Input

Points: 9

Types: Zero command, hold command, reset command, waveform command, TEDS command, measurement condition select 0 to 3

Signal formats: Open collector (NPN) or non-voltage contact signal
      (Capacity: 12 VDC, 5 mA or more)

Control Output

Points: 16

Types: HH, HI, OK, LO, LL, healthy, abnormal channel, abnormal memory, SD, communication error

Output type: Open collector (NPN)

Load capacity: 30 VDC, 20 mA (Load resistance)

Communication

Signal system: RS-232C, full duplex system

Transmission system: Asynchronous

Bit configuration
 Data bits: 7
 Stop bit: 1
 Parity bit: Odd number
 Flow control: None
 Baud rate: 2400, 4800, 9600, 19200 bps

Transmission mode: Repeat output, output at hold, Tx and Rx

NOTE: When equipping the optional CC-Link (RS-485), the RS-232C of the standard equipment is disabled. Otherwise, RS-232C is enabled.

SD Card

Saving setting value:
Saves the all setting values (excluding the calibration value) to the SD card.

Reading setting value:
Reads the all setting values (excluding the calibration value) from the SD card and rewrites those of the WGA to the read one.

Recording measuring value:
Pushing recording key, the WGA records the waveform data to the SD card.

View waveform file name:
Browsing the waveform data, deleting the wave data, and deleting the directory are available.

Format:
Erase all data that are saved in the SD card is available.
(Quick format is available.)

Update:
Capable of updating the program version that is saved in the SD card.

SD card type:
SD, SDHC (up to 32 GB)

Power Supply

100 to 240 V, power consumption: 20 VA or less

Dimensions

100 W ×96 H ×135 D mm (Excluding protrutions)

Weight

Approx. 950 g (Excluding options)

Operating Temperature

-10 to 40 °C

Operating Humidity

20 to 85% or less (Non-condensing)

Compliance

Directive 2014/30/EU (EMC)
Directive 2014/35/EU (LVD) (Installation category Ⅱ, Pollution degree 2)
Directive 2011/65/EU, (EU)2015/863
(10 restricted substances) (RoHS)


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