The 1104975 (PSR-M-B2-SDI8-SDO4-DO4-PI) is a configurable, individually scalable basic module for the PSRmodular safety system. It is designed to monitor safety equipment such as emergency stops, safety doors, and light grids. The module features 8 safe inputs, 4 safe outputs, and 4 additional inputs that can be configured as either signal outputs or reset inputs. It also provides 4 clock outputs and is expandable via the TBUS DIN rail connector. The device supports safety levels up to SIL 3, Cat. 4, and PL e. It utilizes Push-in connection technology for tool-free installation and features a compact 22.6 mm housing width.
| EU RoHS |
Compliant, no exemptions |
| Approvals |
cULus Listed, Functional Safety (TUV) |
| China Rohs |
EFUP-E (No hazardous substances above limits) |
| Eu Reach Svhc |
No substance above 0.1 wt% |
| Housing Width |
22.6mm |
| Safety Level (SIL) |
3 |
| Degree of Protection |
IP20 |
| Supply Voltage Range |
19.2 ... 28.8V DC |
| Number of Safe Inputs |
8 |
| Operating Temperature |
-10 ... 55°C |
| Nominal Supply Voltage |
24V DC |
| Number of Safe Outputs |
4 |
| Performance Level (PL) |
e |
| Number of Clock Outputs |
4 |
| Category (EN ISO 13849-1) |
4 |
| Maximum Power Dissipation |
7.1W |
| Configurable Inputs/Outputs (Reset/Signal) |
4 |