Siemens SIMATIC S7-1500 System Manual page 34

System overview
4.1 What is the S7-1500R/H redundant system?
PID control
Security Integrated
Protection function: Copy pro­
tection
Safety mode 3)
Integrated system diagnostics
Only with CPU 1517H-3 PN
1)
2) As switched S1 device
3) For personal, environmental or investment protection, you will need fail-safe automation systems (F-systems).
34
S7-1500
CPU 1513‑1 PN CPU 1518F-4 PN/DP
CPU 1515‑2 PN
CPU 1517‑3 PN/DP
✓
✓
✓
---
✓
CPU 1513R‑1 PN
CPU 1515R‑2 PN
CPU 1517H‑3 PN
✓ ✓
✓ ✓
✓ ---
✓ ---
✓ ✓
System Manual, 11/2022, A5E41814787-AD
S7-1500R/H
CPU 1518HF-4 PN
✓
✓
---
✓
✓
S7-1500R/H redundant system