SLC 500™ Analog I/O Modules 25
Publication 1746-IN008A-US-P
Current-Loop Input Specifications for NI4, NIO4I, NIO4V,
FIO4I, and FIO4V
Description Specification
NI4, NIO4I, NIO4V FIO4I, FIO4V
Input Range (Normal Operation) -20 to +20 mA 0 to 20 mA (nominal)
Absolute Maximum Input Current -30 to +30 mA 0 to 30 mA (maximum)
Absolute Maximum Input Voltage
±7.5V dc or 7.5V ac RMS
Current Input Coding -20 to +20 mA -16,384 to +16,384 0 to +2047
Input Impedance 250 Ohms
Resolution 1.22070 µA per LSB 9.765 mA per bit
Full Scale 20 mA
Overall Accuracy at +25
° C (77°F)
(max.)
±0.365% of full scale
±0.510% of full scale
Overall Accuracy at 0
° to +60°C
(32
° to 140° F) (max.)
±0.642% of full scale
(1)
(1) For improved accuracy over temperature, see SLC 500 Analog I/O Modules User Manual,
Publication 1746-6.4.
±0.850% of full scale
Overall Accuracy Drift (max.)
+79ppm/5°C of full
scale
±98 ppm/°C of full
scale
Gain Error at +25
° C (77° F) (max.)
+0.323% ±0.400% of full scale
Gain Error at 0° to +60°C
(32
° to 140°F) (max.)
±0.556%
±0.707% of full scale
Gain Error Drift (max.)
±67ppm/°C
±89 ppm/°C
Offset Error at +25° C (77°F) (max.)
(lin = 0, Vcm = 0)
±7 LSB
±2 LSB
Offset Error at 0
° to +60°C
(32
° to 140° F) (max.) (lin = 0, Vcm =
0)
±14 LSB
±4 LSB
Offset Error Drift (max.) (lin = 0,
Vcm = 0)
±0.20 LSB/°C
±.14LSB/°C
(2)
(2) See the SLC 500 Fast Analog I/O Modules User Manual, publication number 1746-6.9.
Overvoltage Protection NA 7.5V ac RMS
(maximum)
Allen-Bradley HMIs
To Next Page
Loading...
