Gai-tronics 12579-003 Monitored Relay Module (MRM) Manual do Utilizador descarregar pdf (Página 15)

Pub. 42004-716L2C

Model 12579-003 Monitored Relay Module Page

15 of 16

f:\standard ioms - current release\42004 instr. manuals\42004-716l2c.doc

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Specifications

Electrical

Power requirements ................................................................................................................. 12 V dc 10%

Current draw ................................................. 1 amp maximum @ 12 V dc (does not include beacon power)

Number of output/input loops ..............................................................................................................8 loops

Maximum devices on output/input loop ................................. Limited by maximum current draw (Mode 0)

Unlimited (Mode 1)

One (Mode 2)

One (Mode 3)

Limited by maximum current draw (Mode 4)

Unlimited (Mode 5) (dry)

One (Mode 5) (wet)

Input/output ....................................................................................................................................... Power in

Power out

Page line (FSK) in

Page line (FSK) out

Eight field outputs/inputs

Data communications .............................................................................................................................. FSK

End-of -line device ............................................................................................................... 20 k (Mode 1)

5.1 k in series with 15 k across contact (Mode 2)

5.1 k in series with 15 k across contact (Mode 3)

20 k, 2-watt resistor (Mode 4 - up to 132 V ac/V dc)

None (Mode 5)

Field Outputs/Inputs

Mode 0

Maximum current draw (per output) ............................................................. 5 amps @ 24 V dc or 240 V ac

Maximum dc switching voltage ........................................................................................................ 150 V dc

Maximum ac switching voltage ........................................................................................................ 240 V ac

Mode 1

Contact closure resistance (activated) ................................................................................... 1 k maximum

Open fault detection ............................................................................................................ Minimum 65 k

Ground fault detection ......................................................................................... Less than 200  to ground

Modes 2 and 3

Contact closure resistance (Mode 2: activated/ Mode 3: de-activated) ................................ 3 k maximum

Open fault detection ............................................................................................................ Minimum 65 k

Ground fault detection ......................................................................................... Less than 200  to ground

Wire-to-wire short fault detection ........................................................................................ Less than 200 

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