Siemens Simatic S7-1500R - Interrupts, Diagnostics, Error Messages and System Events; Meaning of the LEDs

S7-1500R S7-1500H
CPU 1513R‑1PN
CPU 1515R‑2PN
CPU 1517H‑3PN
CPU 1518HF-4 PN
Configuration
versions
PROFINET ring with S2 devices, switched S1 devices • PROFINET networks with S2 devices, switched
S1 devices
• PROFINET networks with R1 devices
• PROFINET networks with R1 devices, S2 devices,
switched S1 devices in a combined topology
• Configuration without additional devices
Configuration
limits
• In the PROFINET ring: Max. 50 PROFINET
devices, including R-CPUs (max. 16 PROFINET
devices recommended)
• In the PROFINET ring and separated with
switches (additional line topology): maximum
of 64 IO devices
• PROFINET ring: Max. 50PROFINET devices
(including H-CPUs)
• PROFINET network (ring, line or combined topo
logy): maximum of 256IOdevices
Comparison of S7-1500 standard system and S7-1500R/H
The table below sets out the key features of comparable CPUs of the S7‑1500 automation
system and of the S7‑1500R/H redundant system.
Table 4-2S7-1500 and S7-1500R/H comparison
S7-1500 S7-1500R/H
CPU1513‑1PN
CPU1515‑2PN
CPU1517‑3PN/DP
CPU 1518F-4 PN/DP CPU1513R‑1PN
CPU1515R‑2PN
CPU1517H‑3PN
CPU 1518HF-4 PN
Support for central I/O ✓ ✓ --- ---
Configuration control ✓ ✓ --- ---
Web server ✓ ✓ --- ---
CPU redundancy --- --- ✓ ✓
System redundancy S2 --- --- ✓ ✓
System redundancy R1 --- --- ✓
1)
✓
S1 device ✓ ✓ ✓
2)
✓
2)
Isochronous mode ✓ ✓ --- ---
Shared Device ✓ ✓ --- ---
Operation as I-device ✓ ✓ --- ---
IRT ✓ ✓ --- ---
MRP ✓ ✓ ✓ ✓
MRPD ✓ ✓ --- ---
OPC UA ✓ ✓ --- ---
Motion Control ✓ ✓ --- ---
1)
Only with CPU 1517H-3 PN
2)
As switched S1 device
3)
For personal, environmental or investment protection, you will need fail-safe automation systems (F-systems).
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System overview
4.1 What is the S7-1500R/H redundant system?
S7-1500R/H redundant system
System Manual, 11/2022, A5E41814787-AD