Siemens simatic c7-621 Hardware Installation Guide

7-4
C7-621 / C7-621 AS-i Control Systems
C79000-G7076-C621-01
Figure 7-2 shows the connection of non-isolated sensors to a floating analog
input module.
.
.
.
Isolated
sensor
Input 24V DC
Grounding bar
ADC
Logic
AI1-U
AI1-M
C7-CPU
+
-
U
U
CM
AI2-U
AI2-M
U
+
-
L+
M
NC
NC
Analog inputs
Functional earth
M
C7-621
Equipotential
bonding cable
Figure 7-2 Connecting Non-Isolated Sensors to a Floating Analog Input
C7-621 Analog I/Os

Siemens simatic c7-621 Specifications

General

Brand	Siemens
Model	simatic c7-621
Category	Control Systems
Language	English