Wiring
8.9 Connecting interfaces for communication with S7-1500H
S7-1500R/H redundant system
280 System Manual, 01/2024, A5E41814787-AF
Safety information
Personal injury or material damage can occur in zone 2 hazardous areas
If you remove or attach a synchronization module during operation, personal injury and
damage can occur in hazardous areas of zone 2. Always disconnect the R/H-CPU from the
power supply before you remove or attach a synchronization module in hazardous areas of
The synchronization module contains a laser system and is classified as a "CLASS 1
LASER PRODUCT" in accordance with IEC 60825-1.
Can cause personal injury.
Avoid direct eye contact with the laser beam. Do not open the housing. Read the
information in the system manual carefully.
Figure 8-10 Class 1 laser products
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