Analog Input Module Sm 431; Ai 8 X 13 Bit (6Es7431-1Kf00-0Ab0); Features - Siemens SIMATIC S7-400 Reference Manual

5.19

Analog input module SM 431; AI 8 x 13 Bit (6ES7431-1KF00-0AB0)

5.19.1

Features

Overview
The analog input module SM 431; AI 8 x 13 bit has the following features:
● 8 inputs for voltage/current measurement
● 4 inputs for resistance measurement
● Various measuring ranges, adjustable in parallel
● Resolution 13 bits
● Analog section isolated from the CPU
● Maximum permitted common mode voltage between the channels or between the reference
potentials of the connected sensors and M
Circuit diagram for SM 431; AI 8 x 13 bit
MV0+
MI0+
MI0+
M0-
CH1
CH7
F_CON
M ANA
Figure 5-22
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08
5.19 Analog input module SM 431; AI 8 x 13 Bit (6ES7431-1KF00-0AB0)
D
CH0
CH1
CH7
Front connectors
monitoring
+5V
0V
-5V
Circuit diagram for SM 431; AI 8 x 13 bit
30 V AC
ANA
Bus S7-400
+5V
Bus S7-400
0V
Bus S7-400
Analog modules
229