Siemens SIRIUS 3RK3 - Page 49

Function elements in the logic diagram MSS 3RK3
Basic Advanced ASIsafe ba‐
sic
ASIsafe ex‐
tended
• NOR
✓ ✓ ✓ ✓
• NEGATION (NEG)
✓ ✓ ✓ ✓
Flip-󹪞op
• FF-SR
✓ ✓ ✓ ✓
Counter functions
• Counter (0 -> 1)
✓ ✓ ✓ ✓
• Counter (1 -> 0)
✓ ✓ ✓ ✓
• Counter (0 -> 1 / 1 -> 0)
✓ ✓ ✓ ✓
Timer functions
• With ON delay
✓ ✓ ✓ ✓
• With ON delay (trigger)
✓ ✓ ✓ ✓
• Passing make contact
✓ ✓ ✓ ✓
• Passing make contact (trigger)
✓ ✓ ✓ ✓
• With OFF delay
✓ ✓ ✓ ✓
• With OFF delay (trigger)
✓ ✓ ✓ ✓
• Clocking
✓ ✓ ✓ ✓
Start functions
• Monitored start
✓ ✓ ✓ ✓
• Manual start
✓ ✓ ✓ ✓
Output functions
• Standard output
✓ ✓ ✓ ✓
• F output
✓ ✓ ✓ ✓
• Standard output delayed
- - - -
• F output delayed
- - - -
• AS‑i 1 ... 4F‑DO
‑ ✓ ✓ ✓
Overview
3.6 Features and functions of the MSS 3RK3
SIRIUS 3RK3 Modular Safety System
Equipment Manual, 07/2020, NEB926253002000/RS-AC/006 49