Siemens SIMATIC S7-400H Manual page 183

Fault-tolerant systems
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Redundant CPUs in different mounting racks
Redundant CPU 417-4 H in split mounting rack
2
fiber-optic cables
Redundant CPU 417-4H in separate mounting racks
Mounting
rack, UR1
2
fiber-optic cables
S7-400H Programmable Controller Fault-Tolerant Systems
A5E00068197-04
Characteristic Values of Redundant Programmable Logic Controllers
Mounting rack UR2-H
Mounting
rack, UR1
Factor
23
Factor
59
A-5

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