Rockwell-automation 1771-IFF/A,D17716.5.116 FAST ANALOG INPUT MODULE Instrukcja Użytkownika Pobierz pdf (Strona 38)

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Publication 1771Ć6.5.116 - June 1996

  

    "   

!" 

All commons are electrically tied

together inside the module.

Jumper all unused channels to

module common to reduce noise.

Source Ground

Channel 1

Channel 2

Channel 3

Channel 4

Channel 5

Channel 6

Channel 7

Channel 8

Channel 9

Channel 10

Channel 11

Channel 12

Channel 13

Channel 14

Channel 15

Channel 16

Module Common

1771ĆWG

Field Wiring Arm

10948ĆI

The 1771ĆIFF module does not supply loop power for the input device. The user

must supply loop power for loopĆpowered input devices.

2ĆWire

Transmitter

The sensor cable must be shielded. The shield must:

• extend the length of the cable, but be connected only at the 1771

I/O chassis

• extend up to the point of termination

 The shield should extend to the termination point,

exposing just enough cable to adequately terminate the

inner conductors. Use heat shrink or another suitable

insulation where the wire exits the cable jacket.

Power

Supply

Tie power supply grounds together to

minimize ground loops.

 Refer to transmitter manufacturers

specifications for power supply connections.

2ĆWire

Transmitter

Power

Supply

1 2 ... 33 34 35 36 37 38 39 40 41 42 43 ... 93 94

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Rockwell-automation 1771-IFF/A,D17716.5.116 FAST ANALOG INPUT MODULE Instrukcja Użytkownika Strona 38

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