The Honeywell FC-BSDOL-04UNI is a high-integrity universal base module designed for the Honeywell Fail-Safe Control (FSC) and Safety Manager architectures. This module serves as the indispensable physical and electrical interface for 4-channel safe digital output modules, such as the FC-SDOL-0424. By providing a secure mounting platform, field wiring terminals, and a direct link to the system backplane, the FC-BSDOL-04UNI ensures that safety-critical signals are accurately transmitted between the controller logic and field devices like solenoids, relays, and actuators.
Constructed to meet the rigorous demands of Safety Instrumented Systems (SIS), the FC-BSDOL-04UNI facilitates comprehensive loop diagnostics, including short-circuit, open-circuit, and watchdog monitoring. Its "L" range-setting and calibration capabilities allow engineers to fine-tune the interface to specific industrial sensor and device profiles. Built from high-quality industrial materials, the module is rated for extreme environments with an operating temperature range of –40 °C to +70 °C. The compact design and screw-type terminals streamline cabinet integration while maintaining the high electrical isolation necessary for SIL 3 compliance in oil, gas, and power generation facilities.
| Feature | Specification Details |
| Manufacturer | Honeywell |
| Model Number | FC-BSDOL-04UNI |
| Product Series | Fail-Safe Control (FSC) / Safety Manager |
| Product Type | Base Module / Range-Setting Module |
| Supported Modules | FC-SDOL-0424 (Safe Digital Output, 4-CH) |
| Number of Channels | 4 Output Channels |
| Terminal Type | Screw-type terminals for field wiring |
| Operating Temperature | –40 °C to +70 °C (Standard) |
| Storage Temperature | -40 °C to +85 °C |
| Input Voltage Range | Standard Industrial 24 VDC (Backplane-fed) |
| Diagnostics Support | Short circuit, open circuit, watchdog monitoring |
| Mounting Mode | Rack-mounted / DIN rail compatible |
| Protection Class | IP20 |
| Compliance | CE, IEC, UL, RoHS |
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