System overview
5.4 Communication
S7-1500R/H redundant system
System Manual, 01/2024, A5E41814787-AF
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5.4.5 IE/PB LINK HA
The IE/PB LINK HA provides a connection of the redundant S7-1500 R/H system to PROFIBUS
DP.
The table below gives an overview of the main properties and functions.
6GK1411-5BB00 (as of FW version V4.1)
Equipment Manual
• PROFINET IO: RJ45
• PROFIBUS DP: D-sub
PROFINET IO proxy (system redundancy as S2 device)
Time synchronization via SIMATIC/NTP mode
Supported devices
1)
• S7
• DP V0
• DP V1
Maximum number of DP Devices per IE/PB Link HA
• S7-1500R: 63 (as S2 device)
• S7-1500H: 64 (as S2 device)
Maximum number of DP inputs/DP outputs
2048 bytes (as S2 device)
Firmware update of the IE/PB LINK HA and the lower-level DP
devices using STEP 7
Maximum number of IE/PB links in the PROFINET network of
S7-1500R/H
• S7-1500R: 15
• S7-1500H: 63
Supported topologies of the IE/PB Link HA for S7-1500R/H
• PROFINET network with S2 devices
– in the PROFINET ring
– in the line topology
– via switches at ring or line topology
• PROFINET network with R1 devices
– via a Y-switch on the PROFINET rings
– via a Y-switch on the line topologies
– via switches at ring or line topology
1)
Fail-safe DP devices are not supported.