Wiring; Terminal And Block Diagram - Siemens SIMATIC ET 200AL Manual

Wiring

3.1

Terminal and block diagram

The image below shows the terminal and block diagram of the IM 157-1 PN interface
module.
①
Switch
②
Electronics
③
ET-Connection interface
④
Internal supply voltage
X1 P1 R 1. PROFINET interface
X1 P2 R 2. PROFINET interface
X80 Infeed of supply voltages
X81 Loop-through of supply voltages
X30 Infeed of the ET-Connection
X31 Loop-through of the ET-Connection
Figure 3-1 Terminal and block diagram
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1L+
1M
2L+
2M
RUN
ERROR
MAINT
P1 LINK, P2 LINK
ET-CON1, ET-CON2
Interface module IM 157-1 PN (6ES7157-1AB00-0AB0)
Supply voltage 1L+ (non-switched)
Ground 1M (non-switched)
Load voltage 2L+ (switched)
Ground 2M (switched)
LED operating state (green)
LED diagnostics status (red)
LED diagnostics status (yellow)
PROFINET LEDs (green)
ET-Connection LEDs (green)
Manual, 12/2016, A5E32347036-AD
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