Putting Hardware Into Service - Siemens SIMATIC ET 200M Manual

2.6

Putting Hardware into Service

Step
1 Connect the programming device to the DP master (MPI interface) using the
programming device cable. Make sure that the terminating resistors in the
connectors are switched on. Set the mode switch to STOP.
2 Connect the power supply cable to the
mains supply and switch on the power
supply module for the DP master.
3 Insert the backup battery:
S
Plug the backup battery connector
into the appropriate socket in the
battery compartment of the CPU.
The notch on the connector must
point to the left.
S
Insert the backup battery into the
battery compartment of the CPU.
S
Close the front door of the CPU.
4 Start the programming device.
5 Carry out a general reset at the CPU 315-2 DP:
Turn the mode switch to MRES. Hold the mode switch at this position until the
STOP LED lights up twice and then remains permanently lit (takes 3 s).
You must turn the mode switch back to MRES within 3 s. The STOP LED starts to
flash rapidly and the CPU carries out a general reset. The CPU has completed the
general reset when the STOP LED remains permanently lit again.
Distributed I/O Device ET 200M
EWA-4NEB780600602-06
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Activity
The 24 V DC LED lights up on the PS.
All of the LEDs light up briefly on the
CPU; the SF LED, BATF LED and 5V
DC LED remain lit. The STOP LED
flashes rapidly for 3 s and then remains
on.
The BATF LED goes out, followed by
the SF LED shortly afterwards.
Getting Started
Result
2-7