The 05704-A-0121 is a quad relay interface card manufactured by Honeywell. It is part of the Honeywell Sieger family of gas detection controllers. The card is used to provide a relay interface for four gas detectors.

Specifications

• Part Number: 05704-A-0121
• Manufacturer: Honeywell
• Series: Honeywell Sieger
• Input: 4x 4-20 mA
• Output: 4x SPST relay
• Power Supply: 24 VDC
• Operating Temperature: -40°C to +85°C
• Storage Temperature: -55°C to +95°C
• Humidity: 0 to 95% RH, non-condensing
• Vibration: 10 to 2000 Hz, 0.015″ amplitude
• Shock: 15 g, 11 ms half sine
• Approvals: CE, UL

Dimensions

• Height: 4.3 in (110 mm)
• Width: 3.5 in (90 mm)
• Depth: 1.2 in (30 mm)

Weight

• 0.5 lb (0.2 kg)

Features

• Four-channel input: The 05704-A-0121 can monitor four gas detectors with 4-20 mA outputs.
• SPST relay output: The card provides four SPST (Single Pole Single Throw) relay outputs that can be used to activate alarm devices or other equipment.
• Configurable alarm setpoints: The alarm setpoints for the card can be configured using a Honeywell Sieger controller.
• Fault detection: The card can detect and report faults to the Honeywell Sieger controller.

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  05704-A-0121

Applications

The 05704-A-0121 can be used in a wide variety of applications, including:

• Industrial process control: The card can be used to monitor gas levels in industrial processes, such as chemical plants, refineries, and power plants.
• Environmental monitoring: The card can be used to monitor air quality in indoor and outdoor environments.
• Building ventilation: The card can be used to monitor gas levels in building ventilation systems to ensure that the air is safe for occupants.
• Laboratory safety: The card can be used to monitor gas levels in laboratories to protect workers from exposure to hazardous gases.

Additional Information

For more information on the 05704-A-0121, please visit the Honeywell website: https://buildings.honeywell.com/us/en/products/by-category/sensors/air-quality-sensors/honeywells-gas-controller-and-networkable-sensors

Pricing and Availability

The 05704-A-0121 is available from a variety of authorized distributors. Pricing will vary depending on options and configuration.

I hope this information is helpful. Please let me know if you have any other questions.