Critical Environment Technologies GEM-II, Руководство по эксплуатации

Страница: 14 / 60

14 © 2014 All rights reserved. Data subject to change without notice.
GEM-II - Operation Manual Rev. E | 2014.10
MECHANICAL
Standard Enclosure General purpose PVC
Standard Weight 600 g (1.2 lb)
Standard Size 5.3” x 6.8” x 2.6” (135 mm x 173 mm x 66 mm)
Watertight Enclosure Water / dust tight polycarbonate
Watertight Weight 700 g (1.4 lb)
Watertight Size 5.1” x 7.1” x 4.0” (130 mm x 181 mm x 102 mm)
ELECTRICAL
Power Requirement 15 - 30 VDC or 12 - 28 VAC
Current Draw Approximately 125 mA
Wiring
VDC three-conductor shielded
VAC four-conductor shielded
Circuit
Analog design with microprocessor and user settable time
delays, accessible with DIP switches on circuit board.
Fuse Automatic resetting thermal
INPUT / OUTPUT
Outputs Linear 4 - 20 mA (single)
Distance
Maximum 500 ft between controller and remote solid state
sensor using minimum 18 gauge wire.
Relays
Two S.P.D.T. dry contact relays, rated 5 amps @ 240 VAC.
NOTES:
1. System is configured such that all relays are “FAIL SAFE”
(relay coils are always energized in non-alarm state).
2. Relays are “common” to both channels (activated by either
channel).
USER INTERFACE
Display
Common set of LED indicating lights for “Power”, “Fail”, “Low
(Warning) Gas Alarm”, “High Gas Alarm”