Specification
MXD70 Auxiliary mA Input
Setup and Operating Guide
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Specification
Auxiliary mA Input Card Specification
Measurement Input
0 to 24mA input, fully isolated from instrument supply.
Loop Modes
mA Input – Standard mA input from transmitter, 100 input
impedance, max loop voltage 35V.
Loop Powered – The input card will supply 24V to power the
current loop.
3 Wire – The input card can supply an alternative 24V 30mA
Max output via the “24V” pin to power a 3 wire transmitter.
Input Mode
0 – 20 mA (Linear)
4 – 20 mA (Linear)
2 Custom Curves (Non-Linear)
Display Ranges
-9999 to +9999
0 to 999.9
0 to 99.99
0 to 9.999
Custom Units
Maximum of 5 Alphanumeric Characters.
Error States
Input under 4mA (when using 4-20mA Input)
Input over 20mA
Accuracy
±0.1% of reading.
Linearity
± 0.1% of range.
Repeatability
± 0.1% of range.
Calibration Methods
Reading Offset Calibration.
Automatic 2 Point 0/4mA and 20mA Calibration.
Calibration Timer
Inbuilt calibration count down timer which will trigger an
alarm when calibration interval has expired.
Sensor Input filter
Adjustable filter that averages the sensor input over a user
selectable time (10sec – 5mins).
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