Honeywell VA301C Gas Detection Controller

FAQ

Q1: What is Honeywell VA301C?
A: VA301C is a Honeywell Analytics gas detection controller used to monitor and control toxic gases, combustible gases and oxygen hazards in industrial and commercial environments.

Q2: How many transmitters can the VA301C support?
A: The VA301C can support up to 96 transmitters, with up to 32 transmitters assigned to each of its three primary communication channels.

Q3: What communication protocol does the VA301C use?
A: The controller uses RS-485 Modbus/Vulbus communication. Channels 1 and 2 support Modbus and Vulbus, while Channel 3 supports Modbus.

Q4: How many relay outputs does the VA301C have?
A: It provides four DPDT programmable relay outputs. Each relay is rated up to 5 A at 30 VDC or 250 VAC for resistive loads.

Q5: What is the power requirement of the VA301C?
A: The VA301C operates from 17–27 VAC or 24–38 VDC, depending on the power configuration.

Q6: What are the dimensions and weight of the VA301C?
A: The controller measures approximately 28 × 20.3 × 7 cm and weighs approximately 1.1 kg.

Q7: What is the operating temperature range?
A: The specified operating temperature range is -20°C to +50°C (-4°F to +122°F), with an operating humidity range of 0–95% RH, non-condensing.

Q8: Is the VA301C still available?
A: VA301C is a legacy Honeywell Analytics/Vulcain controller. It is still referenced in Honeywell documentation and can be found through industrial automation and gas-detection equipment suppliers, although availability depends on remaining inventory.

Honeywell VA301C

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