BH 5910 safemaster is a multi-function safety module that meets the EN 954-1 safety class 4. It supports 8 emergency stop buttons, 4 emergency stop buttons, 4 contactless safety devices, 2 emergency stop buttons, 4 protective doors, 2 protective doors and 1 emergency stop button, 4 pair of double-hand safety buttons type III A according to DIN EN 574 or 2 pair of double-hand safety buttons type III C according to DIN EN 574 and 1 emergency stop button. It also supports automatic or manual start, continuously monitored return circuit for connection of external contactors, short circuit and wire break detection, 3 contacts or 2 contacts and 1 open, 2 semiconductor outputs, short circuit and overload protection, undervoltage and overvoltage detection and signaling
This handbook describes the multifunction safety module BH 5910, its safety categories, and the various operating modes such as Not‑Aus, light barriers, and two‑hand safety. It lists the permitted configurations, wiring options, and the required safety standards (EN 954‑1, IEC/EN 60 204‑1, etc.).
The document explains how to adjust the rotary switches for processor functions, select auto‑start or hand‑start, and interpret LED and blink‑code signals. Technical data, dimensions, weight, and electrical ratings are given in the final section. This manual is written in German.
| Nominal voltage | DC 24 V |
|---|---|
| Dimensions (W × H × D) | 45 × 84 × 121 mm |
| Maximum Not‑Aus buttons | 8 |
Up to eight Not‑Aus buttons can be connected, depending on the selected channel configuration.