Siemens SIMATIC ET 200AL - Page 210

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