GE IC694ALG223-DB Analog Current Input Module RX3i

Number of Channels

1 to 16 selectable; single-ended

Input Current Ranges

0 to 20 mA, 4 to 20 mA and 4 to 20 mA Enhanced (selectable per channel)

Calibration

Factory calibrated to:

4  μA per count on 4 to 20 mA range

5  μA per count on 0 to 20 mA  and 4 to 20 mA Enhanced range

Update Rate

Update Rate: 6 ms

Resolution at 4–20 mA

4 μA (4 μA/bit)

Resolution at 0–20 mA

5 μA (5 μA/bit)

Resolution at 4–20 mA Enhanced

5 μA (5 μA/bit)

Absolute Accuracy 1

±0.25% of full scale @ 25°C (77°F): ± 0.5% of full scale over specified operating temperature range

Linearity

< 1 LSB from 4  to 20 mA (4 to 20 mA range)

< 1 LSB from 100 μA to 20 mA (0 to 20 mA and 4 to 20 mA Enhanced ranges)

Isolation, Field to Backplane (optical) and to frame ground

250 VAC continuous; 1500 VAC for 1 minute

Common Mode Voltage2

0 volts (single-ended channels)

Cross–Channel Rejection

> 70dB from DC to 1kHz

Input Impedance

250 

Input Low Pass Filter Response

19 Hz

External Supply Voltage Range

20 to 30 VDC

External Supply Voltage Ripple

10%

Internal Power Consumption

120 mA from the +5 VDC bus on the backplane

65 mA from 24 VDC external user power supply (in addition to current loop currents)