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Siemens SIMATIC ET 200AL - Page 288

Siemens SIMATIC ET 200AL
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Digital input module DI 16x24VDC 8xM12 (6ES7141-5AH00-0BA0)
12 Manual, 02/2016, A5E36681813-AA
Wiring
3
3.1
Terminal and block diagram
The figure below shows an example of the pin assignment of signal inputs with 2-wire and 3-
wire connection.
3-wire connection
X30
Infeed of the ET-Connection
2-wire connection
X31
Loop-through of the ET-Connection
2-wire connection
1L+
Supply voltage 1L+ (non-switched)
DI circuit
1M
Ground 1M (non-switched)
Microcontroller
2L+
Load voltage 2L+ (switched)
ET-Connection interface
2M
Ground 2M (switched)
Internal supply voltage
1U
S
24 V encoder supply
X10 to X17
Channels 0 to 7
DI
n
Input signal
X80
Infeed of supply voltages
DI
Channel status LEDs (0 to 15) (green)
X81
Loop-through of supply voltages
DIAG
LED diagnostic status (red/green)
Image 3-1 Terminal and block diagram

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