Description

Honeywell FC-BSDOL-04UNI Safety Digital Output Module

Configured for loop-monitored digital output execution in Honeywell Safety Manager and Fail-Safe Control (FSC) systems, the Honeywell FC-BSDOL-04UNI (BSDOL-04UNI Safety Digital Output Module) provides direct physical and electrical control for 24 VDC safety output circuits.

Hardware Specifications

Parameter	Specification
Model	FC-BSDOL-04UNI / FS-BSDOL-04UNI
Brand	Honeywell
Origin	United States
Product Type	Safety Digital Output Modules
Number of Channels	4 channels
Output Type	Loop-monitored digital outputs
Operating Voltage	24 VDC and 48 VDC field load configurations
Load Range	S: 4-16 mA; L: 17-47 mA; M: 48-199 mA; H: >= 200 mA
Power Consumption	S: 5 mA from 24 V external supply of SDOL-0424; L/M/H: Load dependent
Load Power Range	0.1-0.39 W at 24 VDC (SDOL-0424), 0.8-2.3 W at 48 VDC (SDOL-0448) depending on configuration
Dimensions	BSDOL-04UNI: 58.5 x 54.5 x 12.5 mm; BSDOL-04: 58.5 x 21 x 9 mm; Range Setting Sub-module: 13.5 x 5.1 x 12.5 mm
Chassis Space Requirement	Installed on programming connector of I/O backplane
Approvals	CE, TUV, UL, CSA, FM

Process Control Loop Isolation and Safety Output Functions

The Honeywell FC-BSDOL-04UNI applies isolated output circuitry to execute field device switching commands from Safety Manager and FSC platforms. Moreover, the module monitors output loops to detect wiring conditions such as open circuits and short circuits.

The module supports four independent digital output channels with selectable load ranges. Therefore, users can configure the output characteristics according to field device current requirements. In addition, the current-limited architecture controls output energy during abnormal field conditions.

Honeywell safety I/O designs typically focus on electrical separation and signal integrity. Furthermore, the module supports channel-to-channel isolation concepts used in safety instrumented systems to reduce fault propagation between output circuits.

Frequently Asked Questions (FAQ)

Q: How many output channels does the FC-BSDOL-04UNI provide?
A: The FC-BSDOL-04UNI provides four independent loop-monitored digital output channels.

Q: Does the module support different field load configurations?
A: Yes. The module supports S, L, M, and H load ranges with different current and power operating limits.

Q: Where is the FC-BSDOL-04UNI installed in the control system?
A: The module installs on the I/O backplane programming connector and does not require additional chassis space.

Field Installation Guidelines

• Install the FC-BSDOL-04UNI according to Honeywell Safety Manager or FSC system hardware configuration requirements.
• Verify field wiring polarity and output loop connections before applying 24 VDC or 48 VDC power.
• Separate safety output wiring from high-current switching cables to reduce electrical interference.
• Connect cable shields according to the plant grounding standard and avoid creating unintended ground loops.
• Confirm that the selected load range matches the connected field device electrical characteristics before commissioning.
• Inspect terminal connections and backplane engagement during installation to maintain proper mechanical alignment.

Specifications

• Brand: Honeywell

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems