Model Number Explanation

460: Honeywell 460-series I/O module

5042: Output circuit configuration & channel count

505: Signal range & isolation

BF: Firmware/hardware revision variant

Technical Specifications

Output Type: Analog (4–20 mA) or Digital (24 VDC)

Number of Channels: 8 isolated outputs

Analog Range: 4–20 mA (sink/source)

Digital Rating: 24 VDC, 0.5 A per channel

Isolation: 1500 VAC channel-to-backplane

Power: 24 VDC (external), 5 VDC (backplane)

Protection: Overload, short-circuit, overvoltage

Dimensions: Standard 19” rack, 4TE width

Weight: ≈0.45 kg

Operating Temp: 0°C to +60°C

Certifications: CE, UL 508, CSA

Interface & Configuration

Connector: Front 2×12-pin screw terminals

LEDs: Per-channel status; module run/fault

Configuration: Via system software (channel type, range, failsafe state)

Redundancy: Supports dual-module redundant pairing

Key Features

Isolated Outputs: Galvanic isolation reduces noise & ground loops

High Density: 8 channels saves rack space

On-Board Diagnostics: Open/short circuit detection, fault logging

Hot-Swap: Replace online without system shutdown

Failsafe: User-defined safe state on fault

Applications

Systems: Honeywell 460-series DCS/PLC racks

Industries: Oil & gas, chemical, power, water treatment

Use Cases: Control valves, motor starters, local indicators, alarms

Compatibility

Racks: Honeywell 460-series I/O racks

Controllers: Compatible with legacy Honeywell process controllers

Replacement: Direct replacement for 460-5042-505-BF variants