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Honeywell 05701-A-0302 System 57 Single Channel Catalytic Control Card

Honeywell 05701-A-0302 System 57 Single Channel Catalytic Control Card

Product Overview

The Honeywell 05701-A-0302 is a single-channel catalytic control card designed for the Honeywell System 57 platform. It monitors and drives catalytic bead sensors to detect combustible gases and...

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SKU: 05701-A-0302
Vendor: Honeywell
Category: Catalytic Control Card
Related Series:

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  • Genuine Guarantee: We supply only 100% original, brand-new, and factory-sealed industrial automation parts.
  • Full Coverage: Every component is backed by a 12-month comprehensive warranty from the date of purchase.
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Product Overview

The Honeywell 05701-A-0302 is a single-channel catalytic control card designed for the Honeywell System 57 platform. It monitors and drives catalytic bead sensors to detect combustible gases and provide early LEL (Lower Explosive Limit) warning. We supply this unit as 100% brand new and original, ready for industrial safety applications.

Technical Specifications

Specification Details
Model Number 05701-A-0302
Product Type Single Channel Catalytic Control Card
Display Interface LCD (bar graph, 4-digit readout, message line, icons)
Status Indicators A1, A2, A3 alarms, Fault, Inhibit LEDs
Control Interface Alarm Reset / Card Select button
Alarm Resolution 1% full-scale deflection (FSD)
Power Consumption 3.75W typical (catalytic mode) / 3.25W (4–20 mA mode)
DC Supply Range 18V to 32V DC
Drift < ±2% over 6 months
Dimensions 17.0 cm × 2.5 cm × 11.2 cm
Weight 0.165 kg

Engineering Advantages

Real-Time Visual Monitoring

Integrated LCD provides bar graph, numeric readout, and status icons for fast diagnostics.

Flexible Alarm Configuration

Supports A1, A2, and A3 alarm thresholds adjustable in 1% FSD increments.

High Stability Performance

Low drift design ensures long-term measurement reliability.

Built-In Sensor Power Drive

Provides stable excitation for catalytic bead gas sensors without external modules.

FAQs

Is the card pre-configured for gas type?

No, it ships with factory defaults and requires field calibration during commissioning.

What does the front button do?

It resets alarms and selects the active card during system configuration.

How are faults displayed?

Fault and inhibit conditions are shown separately from gas alarms using dedicated LEDs.