Application planning
6.1 Requirements
S7-1500R/H redundant system
System Manual, 01/2024, A5E41814787-AF
131
System power supply PS for the R/H CPUs
The use of the PS is optional.
Suitable system power supplies:
• PS 25W 24V DC
• PS 60W 24/48/60V DC
• PS 60 W 120/230V AC/DC
Load current supply PM for the R/H CPUs
The use of the PM is optional.
Suitable load current supplies:
• PM 70 W 120/230 V AC
• PM 190 W 120/230 V AC
1)
As of FW version V3.0 of the R-CPUs, the firmware between CPU and display is no longer separated. The firmware of the
display is included in the firmware of the R-CPU.
2)
If you use PROFINET devices that do not support H-Sync forwarding in S7-1500R, additional cycle time increases may
occur in the RUN-Redundant system state. If the cyclic program exceeds the cycle monitoring time, the time error OB
(OB 80) may be started. You can find more information in the Events and OBs section.
Special case: Operating R/H CPU individually
You can operate an R/H CPU as a single CPU. If you do, please note the following:
• You always configure 2 R-CPUs or H-CPUs for S7-1500R/H, even if you only set up one CPU.
• The MAINT LED on the CPU is always yellow (maintenance demanded):
– The R/H system is not in redundant mode.
– No partner CPU was found.
Software requirements
Table 6- 2 Software requirements
CPU 1513R-1 PN, CPU 1515R-2 PN, CPU 1517H-3 PN
SIMATIC STEP 7 Professional,
V15.1 or later
SIMATIC STEP 7 Professional V17
or higher
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