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Amplifier Module(for Pressure/Load)
- Selectable from among 4 analog outputs. [4 to 20mA, 1 to 5V, 0 to 5V, 0 to 10V]
- Power and I/O lines are isolated from each other to enhance noise resistance.
- Can be mounted on the base plate or via the DIN rail adapter.
|Can be combined with sensors||Can be combined with all models of pressure sensors and load cells.|
|Sensor specifications||Refer to the pages of pressure sensors and load cells.|
|Calibration of amplifier and sensor||VPJ amplifiers and pressure sensors or load cells have been calibrated as a pair.
Amplifiers and sensors have been calibrated as a pair under the same serial number.
|Applicable sensor||Pressure sensor or load cell of VALCOM|
|Analog output response||1msec or less (Not including sensor characteristic)|
|Nonlinearity||±0.1%F.S. (Not including sensor characteristic)|
|Temperature coefficient||±0.02%F.S./°C (Not including sensor characteristic)|
|Operating temperature range||0–50°C|
|Operating humidity range||35–85%RH (No condensation)|
|Dimensions||Base plate type: 115(W)×35(H)×50(D)
DIN rail type: 95(W)×40(H)×50(D)
|Accessories||Operating manual 1 copy (Specify English or Japanese.)
Test report 1 copy
Pressure Sensor or Load Cell Selection
Click here for the specifications of pressure sensors, and click here for the loads cells.
Specify the applicable models.
[e.g.] VPJ-A2-50MPa-4/VPRT-50MP(3m cable included)
|2.Analog output||-||-||Output type||Response frequency||Load resistance||Consumption current|
|A2||1–5V||1kHz||This value has been calculated as response frequency (= 1/2T (Hz)) based on the measured step response (0–100%) and rise time (T) with the sensor bridge resistance of 350Ω. Response frequency is determined by the sensor to be used. Consult with us when focusing on response.||5kΩ or more||60mA or less,
|A3||4–20mA||DC24V: 500Ω or less
DC12V: 500Ω or less
|70mA or less,
|A4||0–5V||5kΩ or more||60mA or less,
*To be specified only when combining with a load cell.
|Blank||Pressure sensor is selected|
|PSL||Tension and compression
*Add a "±" sign to the display range when using for tensile/compression load.
|Enter the pressure or load range.
Refer to the page of the pressure sensor or load cell.
*Add a "±" sign to the display range when using for tensile/compression or compound load.
|5.Cable connection||N||Depending on pressure sensor or load cell||Selected pressure sensor: Standard connector|
|W||Selected pressure sensor: Water-proof connector|
|S||Selected pressure sensor: Straight out cable|
|Blank||Load cell is selected|
|6.Power [Power consumption]||4||DC24V±10%|
|7.Installation specifications||Blank||Base plate|
|D||DIN rail mounting adapter|
- *1 Consumption current about 3 times that in steady state flows at the rise. Power capacity must be designed with sufficient margin.
Dimensions (Unit: mm)
Input/output terminal block layout
|I/O connecter||DC POW (−)||Power input (−)||Power supply|
|DC POW (+)||Power input (+)|
|A OUT (−)||Analog output (−)||Analog output|
|A OUT (+)||Analog output (+)|
|Sensor connecter||Shield (E)||Shield||Load cell
|SIG+ (D)||Sensor output (+)|
|EXC- (C)||Sensor power (−)|
|SIG- (B)||Sensor output (−)|
|EXC+ (A)||Sensor power (+)|