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2.7.17 HiD 2881 Solenoid/Alarm Driver, Loop or Bus Powered, IIB Output
DC supply (Bus powered mode)
Current consumption 80 mA
@ 24 V, 300 Ω load
Power dissipation 1.3 W
@ 24 V, 300 Ω load
Hazardous Area Signal (Output)
Output characteristic See diagram below
Response time (@ 300 Ω load)
Turn-on time 2 msec
Turn-off time 8 msec
Max. operating frequency 50 Hz
Safe Area Signal (Input)
Loop powered
Input voltage 21-30 Vdc
Powered by the loop, reverse polarity protected
Inrush current 1 A, 2 msec
Bus powered
Control input External switch (dry contact or open collector) non isolated or logic
level input fully floating
Operation mode Output ON with contact close, transistor ON or logic level > 4 V
Output OFF with contact open, transistor OFF or logic level < 1.5 V
Nominal load
> 100 Ω to < 5 KΩ
Short wire fault detect
< 25 Ω typical
Open wire fault detect
> 100 KΩ typical
Fault detect current 4 mA typical
Selector switches Loop powered or Bus powered
Input logic level
Input dry contact or open collector
Fault output
fully floating
enable or disable
Factory set as Bus powered, Input dry contact, fault
output enable
LED Indicators Power ON
Output status
Line Fault
Green
Yellow
Red
Fault output Open collector transistor on common bus
and optocoupled transistor Rating 30 V, 50 mA
Output characteristic:
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