Filter
Top Products
Document: LT0273 MX4428 MXP Engineering / Technical Manual
Device Information and Programming
Issue 1.5 24 March 2006 Page 3-41
DIM800 DETECTOR
INPUT MONITOR
L+ L+L- L-
NEXT
DEVICE
PREVIOUS
DEVICE
A
NALOG LOOP
ANALOG LOOP
A+ A- B+ B-
+24V
COM
EXT
PSU
+
-
4k7 EOL4k7 EOL
Conventional
Detectors
(refer appropriate
wiring diagrams)
Refer text for
voltage
requirement
s
Unused inputs (A or B) must be
terminated with 4k7 EOL.
Figure 3.6 DIM800 Field Wiring
3.20.2 DIM800 SPECIFICATIONS
Dimensions Height: 61mm Width: 84mm Depth: 25mm
Weight 100g
Line Connections L-, L+
Loop Supply Voltage 20V – 40V
Loop Supply Current Standby/Alarm Loop Current : 100uA (typical)
EOL 4k7 + / - 1%.
Detector Load 3.0mA max per circuit
External Current (normal) 7.5mA (excluding detectors)
External Current (shorted) 30 - 50mA (depends on supply voltage)
External Supply Voltage Refer to
Table 3-4 for each detector.
Maximum Line Resistance 50Ω (with detectors)
1750Ω (with hard contacts only)
Short Circuit Fault Option Maximum line resistance 34Ω
Minimum Detector Alarm Voltage 5.0V