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Installation Requirements
Individual/Total Loads evaluated by UL
1–16
RS-485 Reader Power Outputs: 10.6-12.5 VDC, 350 mA max each; total of RS485 reader
outputs combined not to exceed 2.8 A.
Wiegand Reader Power Outputs: 10.6-12.5 VDC, 350 mA max each; total of Wiegand
reader outputs combined not to exceed 1.4 A.
Total of all reader outputs combined (RS-485 & Wiegand) not to exceed 2.8 A
Four (4) activated relay coils – GCM board = 100 mA
One I/8 module – 12 VDC, total= 125 mA
One R/8 module – 12 VDC, total= 325 mA (125 ma + 25 mA for each active relay (max 8))
R/8 relay contact ratings – 30 VDC at 2A (resistive)
Max output load = eight (8) readers (2.8 A) + one (1) I-8 module (125 mA) + one (1) R-8
module (325 mA) = 3.25 A
iSTAR eX GCM Wiegand Reader Ports
Table 1-4 shows the maximum ratings for iSTAR eX GCM Wiegand direct reader ports.
Table 1-4: Wiegand Port Rating
Port
Reader output control
(red, green, yellow, beeper)
Reader input lines
(D0, D1)
Reader output voltage
Reader current
Table 1-5 shows maximum rating for PMB RM Reader ports.
Table 1-5: PMB RM Port Rating
Port
Reader output voltage
Reader current
Rating
Low = 0 v to 0.8 v
High = 4.0 v to 5.25 v
20 mA maximum
Low = 0 v to 0.8 v
High = 4.0 v to 5.25 v
+5 VDC or +12 VDC
(pin selectable)
350 mA max per reader, not to exceed
1.4 A for Wiegand readers
Rating
+12 VDC
350 mA max per port, not to exceed
2.8 A for RM readers.
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