Aritech IU2080 Installation Instructions

2000 Series ICC Module IU2080
Indicating Circuit Controller
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ENERAL ESCRIPTION
The IU2080 provides an interface between the two wire multiplexed ring circuit and local
supply sounders and strobes with their associated user external power supply (24 V).
The external power supply provides the power to drive the sounders and strobes. A
number of devices totalling up to 3 A can be connected to the sounder spur (750 mA in
applications requiring AFNOR approvals).
The ICC monitors the local power supply for a low voltage condition and the external
fault relay contacts (via fault + -ve) for an open condition. An end-of-line (EOL) resistor
is used to insure that the local supply loop is intact. The ICC monitors for loop shorts as
well as for loop open circuits via this resistor. Moreover, the ICC can provide a means
for EOL monitoring via a Z-style connection back to the ICC itself.
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NDICATORS
The IU2080 contains a red LED that will light when the relay is in a position to cause the
sounders and sirens to be energized. The green LED indicates that the external power
supply voltage is present and greater than approximately 8 V.
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NSTALLATION
Please refer to the wiring diagrams for the proper wiring of the indicating circuit
controller.
[part number]
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IGNALISATSIOONIAHELA KONTROLLER
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IGNALIZATORIŲ KONTROLĖS MODULIS
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RENGIMO IR APTARNAVIMO INSTRUKCIJA
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ETTING THE
Use a screwdriver to adjust the two rotary switches on the unit. Set the left rotary switch
(MSB: 0-12) for the 10's and 100's digit, and the right rotary switch (LSB) for the 0-9
digit. Do not set the address to either 0 or 129. This will not produce a response from
the unit.
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ECHNICAL
Operating voltage................................................................................................... 17-28 V
Total standby current ........................................................................................... < 350 µA
Maximum loop alarm current ............................................................................... < 3.5 mA
End of line resistor value..............................................................................10 k ¼ W, 5%
Bell loop impedances at 24 V:
Short circuit.......................................................................................................< 3.3 k
Quiescent ..............................................................................................3.3 k – 13.0 k
Open circuit ....................................................................................................< 13.0 k
Local power supply, low voltage detection:
24 V supply.................................................................................................... < 20.4 V
Local supply current (standby) .........................................................< 11.0 mA @ 24 VDC
Local supply current (alarm).............................................................< 72.0 mA @ 24 VDC
Supervisory voltage.................................................................... approx. 2.2 VDC inverted
Fuse rating .................................................................................................................... 3 A
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ZSTĀDĪŠANAS INSTRUKCIJA
Installation Instructions
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(at the communication loop terminals)
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(< 200 µA typical)
plus bell loop load current