Siemens SIMATIC ET 200AL Manuale - Pagina 21

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Wiring

3.1

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

1L+

2L+

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