WGA-910A Instrumentation Amplifier

1

Strain-gage transducers
(TEDS compatible sensors connectable )

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

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)

10, 2 VDC, selectable

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

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

Within ±(0.02% FS + 1 digit)

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

Detecting scheme: Digital hold

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

4000 times/s

24 bits

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

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

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

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

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

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 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

-99999 to 99999 count

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

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

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)

Point : 1
Type : OK

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

Type : 1
Point : OK

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

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

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.

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

Memory
Channel

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

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)

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)

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.

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)

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

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

Approx. 950 g (Excluding options)

-10 to 40 °C

20 to 85% or less (Non-condensing)

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)

CD (Instruction manual, PC software for SD card)

AC power cable P-23 (For 100 VAC)
AC power cable P-28 (For 200 VAC)

BCD data: 20 bits (4 bits × 5 digits)
Binary data: 18 bits (Offset binary)
Minus sign: 1 bit
Over: 1 bit
End of Conversion (EOC): 1 bit
Output type: Open collector (NPN)
Load capacity: 30 VDC, 20 mA (Load resistance)

Points: 2

Details:
Data hold input　　Negative logic (Hold at “L”)
Output prohibit input　　Negative logic (Hold at “L”)

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

Transmission speed:
Approx. 16, 32, 64, 125, 250, 500, 1000 times/s
Polarity logic: EOC logic
Data logic: Negative, positive
Data type: BCD, binary changeable
BCD classification:
Hold value 1, hold value 2, measured value