Connecting Loads/Actuators To The Analog Output - Siemens simatic c7-621 Hardware Installation Manual

C7-621 Analog I/Os
Connecting Loads To connect a load to a current output, you must connect AO-M to a AO-I and
to a Current
the reference point of the analog circuit.
Output
Figure 7-5 shows the connection of loads to a current output of a non-floating
analog output module.
Figure 7-5
7-8
C7-621
Logic
C7-CPU
L+
Input 24V DC
M
NC
NC
Connecting Loads to a Current Output of a Non-Floating Analog Output
AO-I
DAC
M
AO-M
Functional ground
C7-621 / C7-621 AS-i Control Systems
C79000-G7076-C621-01
R
L