Siemens SINAMICS DCM User Manual page 79

Relay module - PR1-RSC3-LDP-24DC/2X21AU - 2834520 (Phoenix Contact)
①
Relay socket PR1 / PR2
②
Relay holding bar with ejector function and surface for labeling
7.5 × 15 mm (PR1...)/
8 × 28 mm (PR2...)
③
Pluggable miniature relay/industrial relay
④
Display/interference suppression module
⑤
Device identification label
⑥
Actuation opening for the screw or spring-loaded terminal
⑦
Conductor connection opening
⑧
Latching foot assembly
Application document for functional safety STO, SS1 (ISO 13849-1)
Compact User Manual, 09/2016, A5E34871844AM
Connection circuit diagrams for the switching devices
79