Siemens ET 200S Manual page 400

Analog Electronic Modules
Isolated Measuring Sensors (Continued)
Figure 12-1 illustrates the connection of isolated measuring sensors to the floating
analog input modules.
Isolated measuring
sensors
Recommended
connection
Figure 12-1
12-44
M+
M–
M+
M–
U
CM
M
ANA
U
ISO
Central grounding point
Connection of Isolated Measuring Sensors to a Floating Analog Input Module
L+
M
ADC
Ground bus
Distributed I/O System ET 200S
EWA 4NEB 780 6024-02 07
Backplane bus