Siemens SIMATIC ET 200SP Manual page 11

Analog input module ai 8xu ba 6es7134-6ff00-0aa1
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Connection: Voltage measurement 2-wire connection
The following figure shows the block diagram and an example for the terminal assignment of
the analog input module AI 8xU BA on the BaseUnit BU type A0/A1.
2-wire connection for voltage measurement
Backplane bus interface
Analog-to-digital converter (ADC)
Current limitation
Color identification label CCxx (optional)
Temperature recording for BU type A1 only
(function cannot be used for this module)
Filter connection supply voltage (only when
light-colored BaseUnit is present)
Figure 3-1
Wiring and block diagram for voltage measurement 2-wire connection
Analog input module AI 8xU BA (6ES7134-6FF00-0AA1)
Manual, 03/2015, A5E34941660-AA
U
+
Voltage input positive, channel n
n
M
Ground of the analog inputs
ANA
L+
24 V DC (infeed only with light-colored BaseUnit)
M
Ground
P1, P2,
Internal self-assembling voltage buses
AUX
Connection to left (dark-colored BaseUnit)
Connection to left interrupted (light-colored BaseUnit)
DIAG
Diagnostics LED (green, red)
AI0 to AI7
Channel status LED (green)
PWR
Power LED (green)
Wiring up
3.1 Wiring and block diagram
11

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