Linear Heat Detector
Digital Interface Monitor Module
A Unique and Flexible dual zone Digital LHD Interface Monitor Module offering advanced functionality to traditional Digital LHD systems.
The Inteface Monitor Module is designed to work with the Digital Linear Heat Detection Cable and effectively monitor up to two zones at any one time.
The Digital Interface Monitor Module is unique in being approved to the UL864 10th edition standard, the most recent revision to the UL standard for fire alarm control panels and accessories. It has been designed and tested against the stringent requirements of the 10th edition including new tests to confirm the integrity of the software in the device.
The Digital Interface Monitor Module simultaneously monitors two zones of Digital LHD cable for an alarm or fault condition. If an overheat or fire situation triggers either zone of the Digital LHD cable the Module automatically calculates and displays the distance along the cable, in feet and metres, to the alarm point.
The two zones can operate independently of each other or in interlock/coincidence detection mode to eliminate the possibility of false alarms. The Module is intended to be installed between the Digital Linear Heat Detection cable and a conventional or addressable fire alarm control panel. An RS 485 Modbus RTU output also allows direct connection into a PLC or other process control system.
Typical Applications
- Power generation industries
- Oil and gas industries
- Mines
- Cold storage and industrial freezers
- Floating roof storage tanks
- Tunnels
- Cable trays
- Warehousing
Features
Power indicator, fault and alarm lights for each zone
Volt-free outputs for fault and alarm, corresponding to each zone
Can be connected to an industrial process control system using the two-wire RS485 Modbus RTU output
Built-in sounder for audible annunciation
Interlock/Coincidence detection eliminates the possibility of false alarms by requiring both LHD cables to trigger before transmitting an alarm
Product Overview
UL, CE, RoHS approved to meet end user specifications.
Simultaneous monitoring of up-to two zones increases potential applications. For example: pre-alarm on one zone/alarm on the other, fault-tolerant triggering of alarm (both zones must activate before alarm at panel).
Immediately pinpoints exact location and responds to an incident.
Compatible with Thermocable’s ProReact Digital LHD cable
Can be retrofitted to existing installations Cost effectively increases functionality and performance.
Connects to addressable fire alarm control panels for fast response to faults.
Low installation and maintenance costs reduce total cost of ownership.
Reliability through design and approvals.
