Rockwell-automation 1771-A1B_A2B_A3B_A3B1_A4B SERIES B Universal I/O C Instrukcja Użytkownika Pobierz pdf (Strona 10)

Universal I/O Chassis10

Publication 1771ĆIN075A-EN-P - March 2002

Ground the Chassis

This I/O chassis Has grounding stud(s) located

1771ĆA1B

1771ĆA2B

1771ĆA3B1

1771ĆA4B

1771ĆA3B

To prevent ground loops from

occurring, use only one grounding stud when

grounding your equipment.

ATTENTION

Use the following information, along with the installation manual for

your programmable controller to ground the I/O chassis and your I/O

modules.

Chassis Ground SingleĆpoint Grounding

I/O chassis side plate

star washer

nut with captive washer

ground lug

nut with captive washer

When you connect grounding conductors to the I/O chassis

grounding stud, place a star washer under the first lug, then

place a nut with captive lock washer on top of each ground lug.

Torque the nut with captive washer to 18(+

3) pound-inches.

grounding stud

Use the cup washer if crimpĆon lugs are not used.

#10 threadĆforming screw

externalĆtooth washers

19923

Use singleĆpoint grounding for extendedĆlocal I/O syste

The systems must be grounded properly for proper

performance.

ATTENTION

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 19 20

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Rockwell-automation 1771-A1B_A2B_A3B_A3B1_A4B SERIES B Universal I/O C Instrukcja Użytkownika Strona 10