Honeywell FF-SRS5939 dual channel interface control module is a safe emergency stop control module for electrosensitive protection devices. The module has a 24 Vdc power supply voltage, dual input and two cross-monitored relays with guided contacts, providing two normally open contacts and one normally closed contact. The module also has a 1mA-6A closing current, a 15ms response time, an optional automatic or manual restart mode, an optional final switch device monitoring circuit, an LED indicating input and output status and restart status, and a removable wiring board for easy maintenance.
This manual describes the FF‑SRS5939 interface controller, a dual‑channel device that supplies 24 V dc power and connects to servo drives, CNC machines, conveyors and other industrial equipment. It includes details on power supply, input/output contacts, LED indicators, restart functions and optional safety‑device (FSD) control loops.
Technical data such as response time, contact ratings, environmental limits and mechanical life are listed, along with installation guidance, wiring diagrams and safety precautions for normal and emergency‑stop operation. This manual is written in Chinese.
| Supply voltage | 24 V dc (±15 %) |
|---|---|
| Power consumption | 3.5 W |
| Response time | 15 ms |
| Common contact rating | 3 A @ 230 Vac |
| Contact count | 2 normally‑open, 1 normally‑closed |
| Operating temperature range | 0 °C to 52 °C |
| Storage temperature range | -20 °C to 70 °C |
| Enclosure IP rating | IP20 |
| Mechanical life | 10 million operations |
It operates from a 24 V dc supply with a tolerance of ±15 %.
The response time is specified as 15 ms.
The unit provides two normally‑open contacts and one normally‑closed contact, each rated at 3 A @ 230 Vac.
It can operate from 0 °C to 52 °C and be stored from –20 °C to 70 °C.