Allen-Bradley SLC 500 1746-NI4 Installation Instruction page 25

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