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- Overview
- Specifications
- Description
- Applications
- Features
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Overview
Place of Origin: |
USA |
Brand Name: |
HONEYWELL |
Model Number: |
05704-A-0146 |
Packaging Details: |
Original new Factory Sealed |
Delivery Time: |
5-7 days |
Payment Terms: |
T/T |
Supply Ability: |
In stock |
Specifications
|
Description |
Specification |
|
Model |
05704-A-0146 |
|
Part name |
Four Channel Fire Control Card |
|
Dimensions |
2.5x17x12.7cm |
|
Weight |
0.18kg |
|
Fire zone inputs |
4 fire zone inputs |
|
Switched DC outputs |
2 switched DC outputs |
|
Remote input |
Single 3-function remote input |
|
Configurable relay outputs |
Up to 16 relay outputs |
|
Front panel indicators |
Fire (red), Fault (amber), Inhibit (amber), Select (amber), Power (green), Call Engineer (amber) |
|
Front panel push-button |
Single tactile rubber button (Zone Select and Extended Reset) |
|
DC supply |
21–32 V DC |
|
Power consumption |
7.5 W (typical), 8.5 W (maximum) |
|
Zone input type |
4 independent 2-wire current sensing loop inputs with fault monitoring |
|
Loop supply |
System DC supply (limited to +24 V DC max) |
|
Loop sense impedance |
220 Ω with selectable 330 Ω series I.S. barrier equivalent |
|
Maximum line resistance |
100 Ω |
|
End of line termination |
5.1 kΩ (typical) |
|
Fault detection (zone inputs) |
Open circuit; short circuit |
|
Zone alarm levels |
0–3 mA (open fault); 3–10 mA (normal); 10–30 mA (fire); 30–50 mA (short fault) |
|
Alarm set point resolution |
1 mA steps |
|
Output circuits |
2 independent 2-wire fused switched DC loops with fault monitoring |
|
Output voltage |
System DC supply |
|
Output current |
1 A maximum |
|
Fuse type and rating |
1 A quick blow, 20×5 mm glass (e.g., Bussmann S500-1A) |
|
Output EOL termination |
22 kΩ |
|
Output fault detection |
Open circuit; short circuit; fuse failure |
|
Remote input type |
Single 2-wire 3-function loop with fault monitoring |
|
Remote switch resistances |
10 kΩ (Accept), 4.7 kΩ (Reset), 2.2 kΩ (Silence) |
|
Remote EOL termination |
22 kΩ |
|
Remote fault detection |
Open circuit; short circuit |
|
Earth leakage monitoring |
Link selectable symmetrical ground bias impedance monitoring between 0V and +24 V DC |
Description
The 05704-A-0146 is a core fire monitoring component in the Honeywell System 57 series. As a high-performance four-channel fire control card, it is specifically designed for industrial-grade fire detection and safety linkage. This module employs microprocessor control technology, enabling simultaneous management of four independent detection zones (Loops/Zones), and provides highly accurate monitoring logic for smoke, heat, and flame detectors, as well as manual alarm stations.
Applications
Oil Refineries: Monitors fire detectors to trigger suppression systems in hazardous areas.
Chemical Plants: Enables multi-zone fire detection with precise location and alarms.
Gas Plants: Uses rack-mounted 1A outputs to drive alarms and sirens.
Pharmaceutical Plants: Links fire detection with HVAC and smoke dampers via relays.
Features
High Reliability: Uses high-quality components for stable long-term operation in harsh environments.
Rapid Response: Quickly detects alarms and activates fire systems to reduce losses.
Programmability: Supports user-defined control logic and fire response strategies.
Easy Maintenance: Offers simple interface and diagnostics for installation and servicing.
Wide Applicability: Suitable for fire alarms, pumps, and sprinkler control systems.
FAQ
Q: How many detector inputs does the 05704-A-0146 support, and can it monitor line faults?
A: It supports 4 fire zone inputs with real-time open-circuit and short-circuit fault detection.
Q: What is the output capability of the 05704-A-0146, and can it drive an alarm bell directly?
A: Yes, it has 2 DC outputs, each up to 1A, suitable for standard alarms.
Q: Can the 05704-A-0146 perform remote reset or silencing?
A: Yes, it supports remote receive, reset, and silencing via a 3-function interface.
Q: Will the 05704-A-0146 alarm for 3–10 mA detector current?
A: No, this range is normal operation; alarm threshold is typically 10–30 mA.
Q: What is the power supply and consumption of the 05704-A-0146?
A: It operates on 21–32 VDC, with 7.5 W typical and up to 8.5 W maximum consumption.
