Rockwell Automation 1766-Lxxxx MicroLogix 1400 Programmable Controllers User Manual - Manual (Page 185)

Rockwell Automation Publication 1766-UM001H-EN-P - May 2014 143
Specifications Appendix A
Common mode rejection
(2)
> 55 dB at 50 and 60 Hz > 55 dB at 50 and 60 Hz >110 dB at 50 Hz (with 10 or
50 Hz filter)
>110 dB at 60 Hz (with 10 or
60 Hz filter) >110 dB at 50 Hz (with 10 or
50 Hz filter)
>110 dB at 60 Hz (with 10 or
60 Hz filter)
Non-linearity (in percent full
scale) ±0.12%
(4)
±0.12%
(4)
±0.05% NA
Typical overall accuracy
(3)
±0.55% full scale at
-20…65 °C
(4)
±0.3% full scale at 25 °C
±0.32% full scale at
-20…65 °C
(4)
±0.24% full scale at 25 °C
±0.5 °C (F °) for Pt 385 NA
Input impedance Voltage Terminal: 200 K Ω
Current Terminal: 250 Ω
Voltage Terminal: 200 K Ω
Current Terminal: 275 Ω
>10 ΜΩ >10 ΜΩ
Current input protection ±32 mA ±32 mA NA NA
Voltage input protection ±30V ±30V NA NA
Channel diagnostics Over or under range or open
circuit condition by bit
reporting for analog inputs. Over or under range or open
circuit condition by bit
reporting for analog inputs. Over or under range or open
circuit condition by bit
reporting for analog inputs. Over or under range or open
circuit condition by bit
reporting for analog inputs.
(1) For proper operation, both the plus and minus input terminals must be within ±27V (±10V for 1762-IT4) of analog common.
(2) V
cm
= 1 V
pk-pk
AC
(3) V
cm
= 0 (includes offset, gain, non-linearity and repeatability error terms)
(4) Only applicable to Series B I/O modules.
Input Specifications
Specification 1762-IF2OF2 1762-IF4 1762-IR4 1762-IT4