Getting Started
Fail-Safe Systems
2-14 A5E00085588-03
Set the DIL switches for the individual components as follows:
• IM153-2 FO PROFIBUS address 3
• SM 326F DI 24 Module address 8
(Only found on the reverse side; only in steps of 8)
• SM 326F DO 10 Module address 24
(Only found on the reverse side; only in steps of 8)
Set the mounting rack numbers 0 and 1 for the synchronization modules.
Connect actuators, or alternatively terminating resistors, to the output module (e.g.
between 12 Ω and 3.4 kΩ with 1 watt), or disable group diagnosis for unused
channels in the hardware configuration.
Interface restrictions between S7-400 CPU and ET 200M IO
The ET 200M components which can be used in safety mode depends on the
safety class and the use of a safety protector in the ET 200M configuration:
• If you comply with the requirements of safety class SIL 2 or use a safety
protector in SIL 3 in ET 200 M, you can use the IM 153-2 for S7 F/FH
Systems or the IM 153-3 only for the S7 FH Systems and you can set up the
PROFIBUS-DP with the copper cable (as in standard mode).
• If you don’t use a safety protector in SIL 3 in ET 200M, you must connect the
PROFIBUS-DP lines of the S7 F/FH Systems with fiber optic cables. You can
only use the IM 153-2FO.
Additional Information
You can find detailed descriptions of the hardware components in the following
manuals:
•
S7-400, M7-400 Programmable Controllers, Installation and Module
Specifications
•
S7-400H Programmable Controller, Fault-Tolerant Systems
•
S7-300 Programmable Controller, Fail-Safe Signal Modules
•
ET 200S Distributed I/O System, Fail-Safe Modules
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