Getting Started
3-2
Automation System S7-400H Fault-tolerant Systems
A5E00068197-07
3.1 Requirements
The following requirements must be met:
A permitted version of the STEP 7 standard software and the “S7 Fault-Tolerant
System” option pack are correctly installed on your programming device (refer to
Section 9.1).
You must have the modules required for the hardware configuration:
• an S7-400H PLC consisting of:
– 1 mounting rack, UR2-H
– 2 power supplies, PS 407 10A
– 2 fault-tolerant CPUs (CPU 414-4H and CPU 417-4H)
– 4 synchronization submodules
– 2 fiber-optic cables
• an ET 200M distributed I/O device with an active backplane bus and
– 2 IM 153-2
– 1 digital input module, SM321 DI 16 x DC24V
– 1 digital output module, SM322 DO 16 x DC24V
• the necessary accessories such as PROFIBUS shielded cables, etc.
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