Description
The Honeywell 05701-A-0361 is a high-density, four-channel gas control card engineered for the Honeywell Analytics System 57 infrastructure. Unlike single-channel variants, this module is designed to monitor up to four independent toxic gas, flammable gas, or oxygen detectors simultaneously from a single slot. This significantly maximizes rack space efficiency within complex industrial environments. The 05701-A-0361 processes standard analog current inputs from field transmitters and features individual multi-segment LED bar graphs alongside a digital readout for immediate, at-a-glance visualization of gas concentrations. It incorporates fully programmable alarm relays per channel to interface directly with safety interlocks, sirens, ventilation systems, and emergency shutdown protocols.
To explore product availability and source genuine replacement parts for your hazardous area monitoring systems, visit the Honeywell Industrial Control Equipment platform.
Technical Specifications
- Manufacturer: Honeywell Analytics / Zellweger
- Series: System 57 Control System
- Model Keyword: HONEYWELL 05701-A-0361 Four-Channel Card
- Dimensions: 17.2 cm x 3.1 cm x 11.4 cm
- Weight: 0.32 kg (0.71 lbs)
- Country of Origin: United Kingdom (UK)
- Number of Channels: 4 Independent Channels
- Signal Input Type: 2-wire or 3-wire 4-20 mA inputs (Sink or Source)
- Display Interface: 4 individual LCD concentration displays and dedicated LED bar graphs
- Relay Configuration: Dedicated alarm relays per channel plus global system fault relays
- Power Input: 21 to 32 VDC nominal
- Power Consumption: 6.5 Watts maximum (all channels active)
HONEYWELL 05701-A-0361
HONEYWELL 05701-A-0361
HONEYWELL 05701-A-0361
Application Fields
The 05701-A-0361 four-channel control card is widely utilized across dense multi-point safety systems requiring small physical footprints:
- Offshore Drilling Platforms: Monitoring multiple bulkheads, turbine enclosures, and drilling floors for combustible gas leaks.
- Automotive Manufacturing: Tracking paint booth solvent vapors and carbon monoxide concentrations across multi-zone assembly lines.
- Commercial Infrastructure: Overseeing refrigerant gas leaks across large chiller rooms and enclosed mechanical basements.
- Mining & Tunneling: Continuous multi-point monitoring of toxic gases (CO, NO_2, H_2S) and oxygen depletion along transport shafts.
Product Installation and Usage Instructions
- System De-energization: Turn off all power to the target System 57 19-inch rack enclosure before attempting installation to protect internal backplane connections. Attach a grounded ESD wrist strap to your person.
- Card Placement: Carefully align the 05701-A-0361 module with the matching guide tracks of the chosen rack slot. Slide the card back until its rear multi-pin connector interfaces cleanly with the active backplane.
- Hardware Lock-in: Use a flathead screwdriver or your fingers to tighten the upper and lower captive mounting screws on the front panel to guarantee ground continuity and structural stability.
- Field Transmitter Termination: Terminate the 4-20 mA wiring loops originating from your four distinct field gas sensors into the corresponding rear termination module blocks.
- Initialization and Parameter Setup: Apply system power. Use the configuration software or onboard interface buttons to define the specific target gas parameters, individual channel alarm limits (Low, High, Flashing), and perform a formal zero/span calibration cycle for each active sensor.
Frequently Asked Questions (Q&A)
Q: Can I mix different types of gas sensors across the four channels on a single 05701-A-0361 card?
A: Yes. Because each of the four channels behaves as an independent monitoring circuit, you can configure Channel 1 for methane, Channel 2 for oxygen, and Channel 3/4 for toxic gases, provided they all output a standard 4-20 mA signal.
Q: How does the display handle showing data for four channels simultaneously?
A: The card interface features individual display segments or sequential toggling alongside dedicated LED indicator strings for each channel, allowing the operator to track the status and alarm levels of all four zones at a glance.
Q: What happens if a single channel experiences a field wiring fault?
A: If a field sensor line breaks or shorts, the specific channel will trigger a dedicated “Fault” condition on its display and trip its corresponding fault relay. The remaining three channels will continue to operate normally without interruption.
Q: Is the 05701-A-0361 backward compatible with older Zellweger System 57 racks?
A: Yes, it is fully compatible with standard System 57 rack enclosures and standard engineering software tools previously released under the Zellweger Analytics branding.
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