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Honeywell

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Honeywell 05701-A-0282 Series 57 Catalytic Bridge Control Card

Honeywell 05701-A-0282 Series 57 Catalytic Bridge Control Card

  • Manufacturer: Honeywell

  • Product No.: 05701-A-0282

  • Condition：in Stock

  • Product Type: Catalytic Bridge Control Card

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 1000g

  • Shipping port: Shanghai/Yiwu/Shenzhen

  • Warranty: 12 months

Product Description

Overview

The Honeywell 05701-A-0282 is a dedicated Catalytic Bridge (Control) Card designed for use with the Series 5701 Gas Detection System. Engineered specifically for passive catalytic bead sensors, this module converts minute bridge signals into precise gas concentration readings, ensuring reliable combustible gas monitoring in industrial environments. Its compact form factor is compatible with standard Series 57 racks, supporting high-density sensor networks.

Key Features and Functions

  • LED Display: Four-character high-visibility display for gas concentrations and diagnostic codes.

  • Alarm Indicators: Distinct LEDs for A1, A2, and A3 thresholds, plus Fault and Inhibit notifications.

  • Tactile Keypad: Enables local calibration, alarm reset, and system interrogation without external tools.

  • Sensor Drive Control: Constant current output maintains catalytic bead sensor temperature for accurate measurements.

  • Self-Diagnostics: Monitors sensor health, bridge balance, and catalytic sensitivity to detect end-of-life or sensor poisoning.

  • Relay Logic: Configurable relays support latched/non-latched and energized/de-energized operation for fail-safe response.

  • High-Density Rack Integration: Supports up to 16 cards per 19-inch rack for large-scale installations.

Technical Specifications

Feature Specification
Model / Part Number 05701-A-0282
Brand Honeywell
Product Type Catalytic Bridge Control Card
Input Type 3-Wire Catalytic Bridge (mV)
Detection Range 0–100% LEL (Lower Explosive Limit)
System Compatibility Series 5700 / 5701 Rack
Power Supply 18–32V DC
Power Consumption Approx. 3.5 W
Relay Contacts 5 A at 250 V AC (Non-inductive)
Signal Output Optional isolated 4–20 mA analog output
Operating Temperature -5°C to +55°C
Storage Temperature -25°C to +55°C
Operating Humidity 20–90% RH (non-condensing)
Control Channels Multiple independent channels
Control Accuracy High-precision analog and digital signal processing
Reliability Designed for harsh industrial conditions, SIL-compatible

Applications

Ideal for chemical plants, refineries, and other hazardous locations, the 05701-A-0282 provides reliable monitoring of flammable gases. It is tailored for catalytic bead sensors, delivering fast response times and precise detection for safety-critical operations.

FAQ

Q: Can this card be used with 4-20 mA transmitters?
A: No, this model is designed for catalytic bridge sensors. For 4-20 mA transmitters, use the 05701-A-0361 or 05701-A-0351 cards.

Q: How many cards can fit in a single rack?
A: Up to 16 cards can be installed in a standard 19-inch Series 57 rack.

Q: Does it provide self-diagnostics?
A: Yes, the module monitors sensor health, bridge balance, and catalytic sensitivity.

Similar Models: The 05701-A-0361 supports 4–20 mA transmitter inputs, while the 05701-A-0351 is optimized for older sensor types.



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