Honeywell 301-C
Honeywell 301-C
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The Honeywell 301-C is a multi-channel gas monitor controller that continuously supervises toxic gases, combustible gases, and oxygen hazards across three independent addressable channels. This RS-485 Modbus controller daisy-chains up to 96 transmitters and 50 wireless devices with 2,000-foot communication range, providing integrated gas detection supervision with four DPDT relay outputs for alarm signaling and auxiliary control.
Key Features
- Three independent input channels for toxic, combustible, and oxygen gas monitoring
- Addressable RS-485 Modbus protocol with optional BACnet/IP building automation integration
- Daisy-chain wiring supports 96 transmitters using only 2 wire pairs per channel
- Up to 50 wireless transmitters with 2,000 ft communication line length per channel
- Four DPDT relays for alarm control and ancillary equipment switching
- Visual indicators for Alarm (Red A/B/C), Fault (Amber), Power (Green), and Rx/Tx status
- Integral buzzer for local alarm annunciation
Technical Specifications
- Power: 17-27 Vac 50/60 Hz @ 8.64 VA OR 18-36 Vdc @ 350mA (8.4 VA @ 24Vdc)
- Operating Temperature: -20°C to +50°C (-4°F to 122°F)
- Humidity: 0-95% RH (non-condensing)
- Output Relays: 4x DPDT for control signals
- Communication: RS-485 Modbus, optional wireless (50 device max)
- Channels: 3 independent monitored channels
Certifications
- Factory calibrated for multi-gas detection systems
- Supports BACnet/IP for building automation systems
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