Rockwell Automation 1762-IF2OF2 MicroLogix Analog Input/Output Module - Manual (Page 22)

22 MicroLogix 1762-IF2OF2 Analog Input/Output Module
Publication 1762-IN005C-EN-P - July 2013
Input Specifications
Attribute Value
Number of Inputs 2 differential (unipolar)
A/D Converter Type Successive approximation
Common Mode Voltage
Range (1)
(1) For proper operation, both the plus and minus input terminals must be within ±27V of analog common.
±27 V
Common Mode Rejection
(2)
(2) V
cm
= 1 V
pk-pk
AC
> 55 dB @ 50 and 60 Hz
Non-linearity (in percent
full scale) ±0.12%
Typical Overall Accuracy (3)
(3) V
cm
= 0 (includes offset, gain, non-linearity and repeatability error terms)
±0.55% full scale at -20…65 °C (-4 °F…149 °F)
±0.3% full scale at 25 °C (77 °F)
Input Impedance Voltage Terminal: 200K Ω
Current Terminal: 250 Ω
Current Input Protection ±32 mA
Voltage Input Protection ±30 V
Channel Diagnostics Over or under range or open circuit condition by bit reporting for analog inputs.