Product Core Brief

• Model: 05701-A-0361
• Brand: Honeywell
• Series: System 57 / Sieger
• Core Function: Provides optional event printing and logging capabilities for the 5701 gas detection control system.
• Product Type: Optional Event Printing Module Kit
• Key Specs: RS232 Interface | System 57 Compatible | High Reliability
• Condition: New Original (New Surplus)

Product Introduction

The Honeywell 05701-A-0361 is a specialized optional module designed for the Honeywell System 5701 control system, which is widely used to monitor field-mounted industrial gas detectors.

According to official system documentation, this specific part number is designated as an “Event Printing Module Kit” equipped with an RS232 interface. It allows operators to generate hard-copy logs of system events, alarms, and faults, ensuring accurate record-keeping and compliance in critical industrial environments.

HONEYWELL 05701-A-0361

Key Technical Specifications

Quality Control Process (Engineer’s Perspective)

We don’t just box these and ship them. Here is our actual bench test workflow.

1. Incoming Verification: We verify the serial number against Honeywell’s traceability records. A visual inspection checks for bent pins on the backplane connector and ensures the DIN rail clip isn’t cracked.
2. Live Functional Test: We mount the unit in a live System 5701 test rack. We trigger simulated gas detector events and verify that the module successfully formats and outputs the event log via the RS232 port.
3. Electrical Parameter Test: We perform a 500 V Megger test between the field wiring terminals and the backplane. Insulation resistance must exceed 10 MΩ. Ground continuity is also verified.
4. Firmware Verification: We read the module’s internal firmware revision via the service port. We photograph the DIP switch settings to ensure they match factory defaults before shipping.
5. Final QC & Packaging: The module is sealed in an anti-static bag with silica gel. A QC sticker showing the test date and technician initials is applied to the exterior.

HONEYWELL 05701-A-0361

Replacement Pitfall Guide

Field replacements on safety systems are unforgiving. Watch out for these traps.

1. Firmware Mismatch: ❗ Critical. A brand-new Honeywell 05701-A-0361 might have a newer firmware revision than your existing System 5701 CPU. The controller may block it with a configuration mismatch fault. Always check your system’s allowed firmware matrix before installing.
2. DIP Switch / Jumper Misconfiguration: This module uses hardware addressing. If you pull the old card and forget to transfer the binary address switches to the new one, the CPU will report a missing module.
3. Terminal / Cable Incompatibility: Inspect the RS232 cabling before plugging in the new card. Incorrect pinouts or damaged cables will prevent the event printer from communicating, mimicking a module failure.
4. Power Supply Mismatch: Verify your external 220 VAC/24 VDC field power supply has at least 20% headroom over the total calculated load. This module draws current for its own internal monitoring circuits.
5. ESD Damage: Safety modules are highly sensitive to electrostatic discharge. Always wear a grounded wrist strap when handling the bare PCB. I’ve seen modules fail bench testing because they were handled on a dry winter day without protection.

Keep these in mind and you’ll cut 90% of rework time.

Compatibility Matrix & Benchmarks

Compatibility

• Honeywell 05701-A-0361 Rev A → 05701-A-0361 Rev B : Direct Replacement — Verify firmware compatibility with System 5701 CPU.
• Honeywell 05701-A-0314 → 05701-A-0361 : Needs Adaptation — Different event printing architecture; requires logic re-validation.

Benchmarks

• Event Logging Latency: < 100 ms (from alarm trigger to RS232 output)
• Operating Temperature Range: -20 °C to +85 °C (verified continuous operation)

Need the pinout diagram for the Honeywell 05701-A-0361 event printing module? I can pull up the termination schematic so you can connect your serial printer or logging terminal correctly.