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Non Resettable Digital Monitor Module c/w Distance Locator (LDM-519-DDL)
Non Resettable Digital Monitor Module c/w Distance Locator (LDM-519-DDL)
The module is designed to monitor a length of Digital (Non-resettable) Linear Heat Detecting Cable (LHDC) for both Fire condition, and Fault status (open circuit).
Features
- Operable from two wire fire panel Trigger Circuits. Line / Low Power.
- Analogue address loop interface-able – Loop Powered.
- Display of Alarm Location – Distance in metres.
- 4mA to 20mA instrumentation current loop output.
- Versions of this unit are available for use with Intrinsically Safe Zener Barriers (LDM-519-DDL-Z) and Galvanic Isolators (LDM-519-DDL-G) for connecting to LHDC within Hazardous Areas. – All are SIL 2 Certified.
- Fault monitoring of LHDC for open circuit conditions.
- LED indication of Fire, Fault & Supply status.
- Test & Reset push-buttons.
- Volt free contact outputs for Fire & Fault conditions – when connected to a separate power supply.
- DIN Rail mounting.
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