Zone Monitor
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Features
The Zone Monitor powers and controls the operation of a zone of up to 20 conventional detectors from Shield.
Specifications
| Operating voltage | 17–28V DC | |
|---|---|---|
| Zone voltage | (Loop voltage 22V) | 19V±1V |
| Loop voltage < 22V) | Loop voltage –1.5V | |
| Maximum current consumption at 24V DC |
(5.1k EOL) | |
| switch-on surge, max 150ms | 3.5mA | |
| quiescent load | 4mA + detector | |
| alarm | 11mA | |
| (19mA when increased current enabled short-circuit) |
11mA | |
| Surge Current | 2.5 mA | |
| Maximum Alarm Current | 5 mA (LED on) | |
| Stabilisation time on power-up | 4 seconds | |
| Maximum capacitor on zone terminals |
50μF | |
| Operating temperature | -20°C to +70°C | |
| Humidity | 0–95% | |
| IP rating | 54 | |
| Dimensions (L x B x H) | 150 mm x 90 mm x 48 mm | |
