HONEYWELL 05704-A-0146 Signal Board

Description

HONEYWELL 05704-A-0146 Signal Board

Product Dimensions：

The Honeywell 05704-A-0146 is a high-performance, intelligent Control Module from the widely trusted System 57 gas detection family. It is specifically engineered to interface with toxic gas detectors or oxygen transmitters to provide continuous, life-safety monitoring in industrial environments.

Product Detailed Description

The 05704-A-0146 operates as a single-channel card that plugs into a standard System 57 rack assembly. It accepts a standard analog 4–20 mA input from a remote gas sensor, processes the signal, and provides real-time readout alongside highly configurable alarm relay outputs.

Unlike multi-channel cards, this single-channel control card is typically selected for high-reliability applications where individual channel isolation and dedicated local control are paramount.

Technical Parameters

Product Advantages

• High-Definition Front Display: Features an individual, clear LCD screen providing instantaneous gas concentration values and error codes, eliminating the need to scroll through menus to check status.
• Granular Flexibility: Because it is a single-channel module, it allows for complete independence. A fault or maintenance routine on this specific card will not affect any other channel in the rack.
• Extensive Relay Mapping: Offers robust on-board relay outputs that can be configured as energized/de-energized, latching/non-latching, and time-delayed to perfectly trigger external sirens, beacons, or ventilation fans.
• Hot-Swappable Maintenance: The card can be pulled out and replaced while the rest of the rack remains fully operational, drastically reducing system downtime during servicing.

Important Considerations & Precautions

• Sensor Compatibility: The 05704-A-0146 is optimized for toxic gas and oxygen transmitters. Do not attempt to wire 3-wire catalytic bead combustible gas sensors to this module without verifying the proper configuration or interface hardware.
• Backplane Compatibility: Ensure the card is correctly seated into the corresponding System 57 backplane slot. Misalignment can damage the gold-plated edge connectors.
• Routine Calibration: While the card processes the signal with high accuracy, the overall safety loop depends on the sensor. Regular “bump tests” and system-wide calibrations are mandatory.
• Shielding & Noise: To prevent electromagnetic interference from falsifying gas readings, ensure the 4–20 mA field cable shielding is properly terminated at the rack’s earth point.

Product Applications

The 05704-A-0146 module is utilized in heavy industries to protect personnel and assets from toxic atmospheres or asphyxiation risks:

• Chemical & Pharmaceutical Plants: Continuous tracking of toxic gas emissions (like Chlorine, Ammonia, or Carbon Monoxide) in processing bays.
• Water & Wastewater Treatment: Monitoring for Hydrogen Sulfide (H_2S) build-up in wet wells or Chlorine gas in purification areas.
• Confined Space Monitoring: Providing Oxygen (O_2) depletion monitoring in storage vaults, tunnels, or specialized laboratories.
• Semiconductor Manufacturing: Detecting trace amounts of highly toxic specialty gases used during wafer fabrication.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Please make an inquiry for more models：