CHQ-DZM (SCI) -IS, Hochiki Area Monitoring Module with SCI
Model CHQ-DZM (SCI) -IS is a Dual Area Module fully compatible with Hochiki's ESP analog addressing protocol and IS device It is offered as an OEM version (as illustrated in Fig. ) can be fitted in an IP67 rated enclosure.
The unit is also available as a DIN DIN mounting module; both models have a built-in short-circuit isolator. Addressing is done through simple DIL switches. This unit is designed to allow up to 40 (20 per zone) conventional CDX IS range detectors (SLR-E-IS or DCD-1E-IS) in hazardous areas to be interfaced with the navigation system. Similar address to Ho Chi Minh's ESP in safe area . (Please note that this module should only be installed in a safe area). Conventional zones on CHQ-DZM (SCI)-IS do not support any line continuity options, so if Call Points are being interposed, they should be wired at the top of the zone.
Single loop address
Requires auxiliary 24 VDC power supply
Supports two independent zones of conventional IS . Detector
Both zones are fully monitored for short/open circuit
DIN rail version available
Both models have built-in short-circuit isolators
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