Siemens Simatic S7-1500

S7-1500R/H redundant system
129 System Manual, 01/2024, A5E41814787-AF
Application planning
6
6.1 Requirements
Introduction
Please note the following requirements for use of the S7-1500R/H redundant system.
Hardware requirements
Table 6- 1 Hardware requirements
Property
Requirement
S7-1500R/H CPUs
• 2 identical R-CPUs or H-CPUs in the redundant system
• Identical article numbers and firmware versions for the two CPUs
• Firmware version display of the R/H-CPUs: FW version V2.6 or higher
1)
Communications processor
CP 1543-1
• Article number and firmware version of the CP 1543-1 identical (6GK7543-1AX00-0XE0),
FW version V3.0 or higher
Active backplane bus
Active backplane bus for H system
• Active backplane bus ST 1+8 (6ES7590-0BH00-0AA0): FW version V1.1.0 or higher
• Active backplane bus ST 1+4 (6ES7590-0BD00-0AA0): FW version V1.1.0 or higher