Honeywell VA301C Gas Detection Controller
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8615305023276 | |||||||
| +8615305023276 | ||||||||
| 15305023276 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Technical Specifications
| Parameter | Specification |
|---|---|
| Product | Honeywell VA301C Gas Detection Controller |
| Model | VA301C |
| Product Series | 301C |
| Application | Centralized monitoring and control of toxic gases, combustible gases and oxygen hazards |
| Communication Protocol | Addressable RS-485 Modbus |
| Modbus Channels | 3 channels |
| Transmitter Capacity | Up to 96 transmitters |
| Wireless Transmitter Capacity | Up to 50 wireless transmitters with compatible configuration |
| Zoning Capacity | Up to 126 programmable zones |
| Power Requirement | 17–27 VAC or 24–38 VDC |
| Operating Current | 500 mA |
| Operating Frequency | 50/60 Hz |
| Communication Distance | Up to 609 m (2,000 ft) per channel |
| T-Tap Length | Up to 20 m per T-Tap; 40 m maximum for all T-Taps combined |
| Display | Backlit LCD dot-matrix display |
| Display Resolution | 122 x 32 dots |
| Gas Reading | Real-time gas concentration display |
| Alarm Levels | 4 fully programmable alarm levels |
| Alarm Delay | 0 sec, 30 sec, 45 sec, or 1–99 min before/after alarm |
| Relay Outputs | 4 DPDT relays for alarm and/or fault functions |
| Relay Rating | 5 A at 30 VDC or 250 VAC, resistive load |
| Audible Alarm | Integrated 65 dBA buzzer |
| Visual Indicators | Alarm A, Alarm B, Alarm C, Fault, Power, Rx and Tx indicators |
| Communication Interface | Optional BACnet/IP interface |
| Data Logging | Available as an optional configuration |
| Memory Option | Up to 2 GB removable SD card for configuration, readings and events |
| Time Clock | Integrated programmable time clock |
| Security | Password protection |
| Enclosure | Plastic housing; heavy-duty industrial housing available for compatible variants |
| Protection Rating | NEMA 4X |
| Operating Temperature | -20 to 50°C |
| Relative Humidity | 0–95%, non-condensing |
| Certifications | ANSI/UL 61010-1; CAN/CSA C22.2 No. 61010-1 |
| Dimensions | 280 x 70 x 203 mm |
| Weight | 1.1 kg |
FAQ
1. What is the Honeywell VA301C used for?
The Honeywell VA301C is a centralized gas detection controller designed to monitor toxic gases, combustible gases and oxygen hazards. It receives information from connected gas transmitters and provides real-time readings, alarm management, fault monitoring and relay control for building and industrial gas detection systems.
2. How many gas transmitters can the VA301C support?
The VA301C supports up to 96 transmitters through three RS-485 Modbus communication channels. Its zoning functions allow connected transmitters to be organized into up to 126 programmable zones for more flexible alarm and control management.
3. What power supply does the Honeywell VA301C require?
The controller operates from either 17–27 VAC or 24–38 VDC and requires approximately 500 mA operating current. The power supply should be stable and correctly sized for the controller and connected system components.
4. What communication protocol does the VA301C use?
The VA301C uses addressable RS-485 Modbus communication for connecting gas transmitters and related devices. An optional BACnet/IP interface can also be used when integration with a building automation or supervisory control system is required.
5. What should be checked if the VA301C loses communication with a gas transmitter?
First check the RS-485 wiring, polarity, cable shielding and termination. Confirm that the transmitter address and communication settings are correctly configured and that the transmitter has a stable power supply. If multiple devices are connected, check for duplicate addresses or excessive communication line length.
6. How are alarm levels configured on the VA301C?
The controller provides four programmable alarm levels. Alarm thresholds and associated delay functions can be configured according to the monitored gas and application requirements. Relay outputs can then be assigned to alarm or fault conditions to control external equipment such as ventilation systems.
7. What should be checked when the VA301C displays a fault condition?
Check the controller’s fault indicator and communication status first. Inspect the connected transmitter network, power supply, RS-485 wiring and device addressing. If a specific transmitter is reporting a fault, verify its sensor condition and communication connection before resetting the controller.
8. Can the VA301C be integrated with a PLC or building automation system?
Yes. The VA301C can exchange gas detection information with supervisory systems through compatible communication options. Its optional BACnet/IP interface is suitable for building automation integration, while the relay outputs and configurable I/O can also be used for direct control of ventilation, alarms and other external equipment.
Honeywell VA301C Gas Detection Controller is in stock. Please contact us for a quick quote and competitive pricing.
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8615305023276 | |||||||
| +8615305023276 | ||||||||
| 13950166376 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Company Introduction
Xiamen Shengruite Trading Co., Ltd. is a company specializing in the supply of industrial PLC spare parts.
We provide high-quality PLC spare parts to customers in the global manufacturing, energy and power, chemical and other fields.
Since its establishment in 2011, after 13 years of rapid development, the cumulative global shipments have reached 223,650 pieces, with an annual output value of US$50 million.
Successfully served more than 500 customers in more than 100 countries and regions including Saudi Arabia, UAE, the United States, Europe, Africa, and Southeast Asia
Our Mission
Provide customers with the best quality PLC spare parts and the fastest delivery service to ensure that their industrial automation systems are always in the best operating condition.
We provide a 1-year warranty service, and we support returns and exchanges for any issues to ensure your rights and interests are fully protected.
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Returns are accepted within 30 days if the product is unused, unopened, and in its original packaging. Please note that return shipping and associated costs are the buyer\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\’s responsibility.
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