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- Honeywell
- 05701-A-0326
- Field Interface Card
- USA
- 160 × 30 × 130 mm
- 0.23 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Honeywell 05701-A-0326 is a System 57 Series Field Interface Card used to connect field-level gas detection equipment with the associated System 57 control and monitoring infrastructure. It forms part of the interface layer between gas detection devices installed in the field and the central monitoring system.
The card is suited to installations where gas detectors and related field devices need to exchange signals with a centralized gas detection controller. Typical applications include industrial plants, process areas, utility facilities, and other locations where combustible or toxic gas monitoring is required.
A field interface arrangement allows detector signals and system information to be transferred into the System 57 architecture for monitoring, alarm handling, and control functions. The interface card works with the surrounding System 57 equipment rather than acting as a standalone gas detector.
For maintenance personnel, the 05701-A-0326 can be considered part of the signal path between field detection equipment and the monitoring system. Troubleshooting should therefore include the detector, field wiring, interface card, associated System 57 modules, and system configuration.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Honeywell |
| Model | 05701-A-0326 |
| Product Family | System 57 Series |
| Product Type | Field Interface Card |
| Primary Function | Field gas-detection signal interface |
| System Role | Gas detection system interface |
| Application | Gas detection and industrial safety monitoring |
| Dimensions | 160 × 30 × 130 mm |
| Weight | 0.23 kg |
Product Features
- System 57 Series Field Interface Card.
- Interfaces field gas-detection equipment with the System 57 control platform.
- Supports organized signal exchange between detectors and central monitoring equipment.
- Suitable for distributed gas detection installations.
- Can be used as part of industrial gas monitoring and alarm systems.
- Supports integration of field detection signals into a centralized safety-monitoring architecture.
- Useful for maintenance and replacement of System 57 field-interface hardware.
- Works as part of the complete System 57 system rather than as an independent gas detector.
Working Principle
The 05701-A-0326 operates within the field signal interface path of a System 57 installation. A connected gas detector or field device generates measurement or status information, which is transferred through the field wiring to the interface card and then into the associated System 57 monitoring equipment.
Gas Detector / Field Device → 05701-A-0326 → System 57 Control Equipment → Alarm / Monitoring System
The interface card does not itself perform the complete gas-detection process. Its function is to handle the connection between the field device and the system-level monitoring architecture.
When a detector reports a normal condition, alarm condition, fault, or other configured status, the corresponding information can be passed through the System 57 signal path for processing and indication. The actual alarm logic and system response depend on the connected System 57 equipment and configured application.
Role in a Honeywell System 57 Gas Detection Architecture
The 05701-A-0326 occupies the field-interface layer between gas detection devices and the System 57 control and monitoring equipment. This arrangement allows field detectors to be distributed throughout the protected area while their signals are brought into a centralized monitoring architecture.
Field Gas Detector → 05701-A-0326 → System 57 Control / Monitoring Equipment → Alarm & Safety Response
| System Element | Function |
|---|---|
| Gas Detector | Detects the presence or concentration of target gas |
| Field Wiring | Transfers detector signals to the system interface |
| 05701-A-0326 | Interfaces field detection signals with System 57 |
| System 57 Control Unit | Processes detection and system-status information |
| Alarm / Indication | Reports configured gas alarms and system conditions |
| Plant Safety System | Provides higher-level safety response where integrated |
The interface card should be evaluated together with the detector and the complete System 57 communication or signal path when investigating abnormal readings or loss of detection channels.
Industrial Applications
| Application | Typical Use |
|---|---|
| Oil and Gas Facilities | Field gas detection and centralized alarm monitoring |
| Chemical Plants | Monitoring combustible or toxic gas hazards |
| Process Industries | Distributed gas detector signal interfacing |
| Industrial Utility Areas | Gas detection around equipment and service areas |
| Power Generation Facilities | Gas monitoring in plant and equipment areas |
| Manufacturing Facilities | Local gas detection connected to centralized monitoring |
| Safety-Critical Plant Areas | Detector signal collection and alarm handling |
Installation and Maintenance
- Confirm that the 05701-A-0326 is compatible with the installed System 57 configuration before replacement.
- Isolate the applicable gas detection system circuits according to the approved maintenance procedure.
- Record the existing field connections and card position before removing the installed unit.
- Verify detector wiring against the approved System 57 system documentation.
- Inspect terminal connections for loose conductors, damaged wiring, or signs of corrosion.
- Check the connected gas detector and field device before diagnosing the interface card itself.
- Ensure field wiring is properly supported and protected against mechanical damage.
- Verify that the associated System 57 control equipment is correctly powered and operating.
- Check detector status and system indications after installing or replacing the card.
- Test representative normal, alarm, and fault conditions using an approved gas-detection commissioning procedure.
- Investigate abnormal detector signals by checking the field device, wiring, interface card, and System 57 configuration as separate parts of the signal path.
- After replacement, perform a complete functional test of the affected gas-detection channel before returning the safety-monitoring system to normal operation.
Compatible System Components
| Component | Function |
|---|---|
| Honeywell System 57 | Gas detection control and monitoring platform |
| System 57 Gas Detector | Detects target gas conditions in the protected area |
| Field Junction Box | Provides field wiring and detector connection |
| Gas Detection Controller | Processes detector information and system conditions |
| Alarm Indicator | Provides visual or audible gas alarm indication |
| Relay / Output Interface | Transfers configured alarm or control signals |
| Plant Safety System | Performs higher-level safety actions when integrated |
| Field Power Supply | Supplies operating power to associated field devices |
Recommended Related Models
| Model / Product Family | Product Type | Typical Application |
|---|---|---|
| Honeywell System 57 Series | Gas Detection System | Industrial gas detection and monitoring |
| Honeywell System 57 Modules | Gas Detection Modules | Detector signal processing and interface |
| Honeywell System 57 Cards | Interface / Control Cards | System-level gas detection functions |
| Honeywell Gas Detectors | Gas Detection Device | Combustible and toxic gas detection |
| Honeywell Gas Monitoring | Gas Detection Equipment | Plant-wide gas monitoring |
| Honeywell Alarm Modules | Alarm Interface | Gas alarm indication and control |
| Honeywell Safety Interfaces | Safety Interface | Integration with plant safety systems |
Key Advantages
- Connects field gas-detection equipment with the System 57 monitoring architecture.
- Supports distributed detector installations within industrial facilities.
- Provides an organized interface between field wiring and system-level gas monitoring.
- Useful for centralized alarm and detector-status management.
- Simplifies troubleshooting by establishing a defined field-to-system signal path.
- Suitable for maintenance and replacement of existing System 57 installations.
Technical FAQs
What is the difference between the 05701-A-0326 and a gas detector?
The 05701-A-0326 is a Field Interface Card, not the sensing element itself. The gas detector performs the field detection function, while the interface card connects the detector-related signals with the System 57 control and monitoring infrastructure.
What could cause a System 57 channel to lose its detector signal?
Possible causes include a detector fault, damaged field wiring, loose terminals, power loss, interface-card problems, or an issue elsewhere in the System 57 signal path. The complete channel should be checked rather than assuming the interface card is the cause.
Why is the field interface important in a distributed gas detection system?
Field detectors are often installed throughout different areas of a plant while monitoring equipment is concentrated in control or safety cabinets. A field interface provides the connection point needed to transfer detector information into the centralized System 57 architecture.
What should be tested after replacing the 05701-A-0326?
Verify the field connections and System 57 configuration first. The affected detector channel should then be tested for normal status, alarm response, fault indication, and correct reporting at the central monitoring equipment before the system is returned to service.