Siemens SIMATIC ET 200SP Manual - Page 12

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Siemens SIMATIC ET 200SP Manual
Wiring up
3.1 Wiring and block diagram
Connection: Current measurement 4-wire connection
The following figure shows the block diagram and an example for the terminal assignment of
the analog input module AI 8xI 2-/4-wire BA on the BaseUnit BU type A0 with AUX terminals.
4-wire connection for current measurement
Connection AUX terminals to ground
Color identification labels CCxx (optional)
Filter connection supply voltage (only when light-colored BaseUnit is present)
I
+
Input signal, channel n
n
U
Infeed voltage
V
L+
24 V DC (infeed only with light-colored BaseUnit)
M
Ground
1 A to 10 A
AUX terminals
P1, P2, AUX
Internal self-assembling voltage buses
Connection to left (dark-colored BaseUnit)
Connection to left interrupted (light-colored BaseUnit)
Figure 3-2
Wiring and block diagram for voltage measurement 4-wire connection
12
Analog input module AI 8xI 2-/4-wire BA (6ES7134-6GF00-0AA1)
Manual, 03/2015, A5E34941201-AA