- Overview
- Specifications
- Description
- Applications
- Features
- FAQ
- Recommended Products
Overview
Place of Origin: |
USA |
Brand Name: |
HONEYWELL |
Model Number: |
05704-A-0121 |
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-0121 |
|
Part name |
Quad Relay Interface Card |
|
Dimensions |
13.2x2.5x11.9cm |
|
Weight |
0.23kg |
|
Power consumption |
1.7 W (maximum), 1 W (typical) |
|
Relays |
4 × SPCO |
|
Relay operation |
Selectable; Latching/Non-latching; Energised/De-energised |
|
Relay contact rating |
5 A at 110/250 V AC (non-inductive); 5 A at 32 V DC (non-inductive) |
|
Field terminals |
2.5 mm² (14 AWG) |
Description
The 05704-A-0121 is a key signal distribution and logic execution component in the Honeywell System 57 family, a Quad Relay Interface Card designed specifically for industrial gas monitoring systems. Serving as the physical link between the four-channel control card and field cabling, this module not only accurately guides sensor signals to the processing core but also integrates independent alarm output contacts, achieving integrated detection and control.
Applications
Oil Refineries: Triggers emergency ventilation and exhaust fans when flammable gas is detected.
Chemical Plants: Controls emergency shut-off valves with latching function for manual reset.
Wastewater Plants: Activates backup absorption systems when hydrogen sulfide exceeds limits.
Semiconductor Plants: Provides isolated alarm outputs for cleanroom safety systems.
Features
High Reliability: Compact module design enables stable operation in harsh environments.
Multifunctionality: Supports multiple functions including relay control, signal conversion, and data acquisition.
Ease of Use: Simple installation; supports hot-swapping and online configuration.
Safety: Equipped with safety protection functions to prevent equipment damage and accidents.
FAQ
Q: How many relays does the 05704-A-0121 contain, and what contact types are used?
A: It contains 4 independent relays with SPCO (single-pole double-throw) contacts.
Q: Can the 05704-A-0121 directly drive AC 220V devices?
A: Yes, it supports 5A non-inductive load at 110/250 VAC.
Q: Does the 05704-A-0121 support automatic recovery after alarm reset?
A: Yes, it supports both latching and non-latching modes depending on configuration.
Q: What is the power consumption of the 05704-A-0121?
A: Typical consumption is 1 W, and under full load it stays below 1.7 W.
Q: What wire size is supported for the 05704-A-0121 during installation?
A: It supports up to 2.5 mm² (14 AWG) conductors via large field terminals.