Siemens SINAMICS DCM User Manual page 74

Recommended safety relays
Number Devices
2 Coupling relay for SIL3
2 Relay module for coupling
digital outputs
74
Manufacturer, Details
order number
Phoenix Contact (https://www.phoenixcontact.com/at/produkte/2981981)
PSR-SPP-24DC/FS Coupling relay for SIL 3 high and low demand applications,
P/1X1/1X2 coupled with digital output signals to the I/O, 1 enable current
- 2981981 path, 1 feedback signal current path, 1 digital signaling out-
put, safe-state-off applications, test pulse filter, PSR-TBUS
connection, pluggable spring-loaded terminal
Phoenix Contact (https://www.phoenixcontact.com/online/portal/at?uri=pxc-oc-
PR1-RSC3-LDP- itemdetail:pid=2834520)
24DC/2X21AU - Preassembled relay module with screw connection, consist-
2834520 ing of: Relay socket, multi-layer contact relay, pluggable
display/interference suppression module and holding bar.
Input voltage: 24 V DC, 2 changeover contacts, 8 A
Application document for functional safety STO, SS1 (ISO 13849-1)
Compact User Manual, 09/2016, A5E34871844AM