Rockwell-automation 1771-IGD TTL Input Module Installation Instruction Instrukcja Użytkownika Pobierz pdf (Strona 9)

TTL Input Module 9

Publication 1771ĆIN022B-EN-P - September 2002

Chassis Ground SingleĆpoint Grounding

I/O chassis side plate

star washer

nut with captive washer

ground lug

nut with captive washer

19480

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

6. You must connect both ends of the insulated signal return wire in

each transmission cable as follows:

• connect one end to the dc common terminal of your +5V dc

Class 2 power supply

• connect the other end to the dc common terminal of the field

wiring arm

1 2 3 4 5 6 7 8 9 10 11 12

Brak uwag

Rockwell-automation 1771-IGD TTL Input Module Installation Instruction Instrukcja Użytkownika Strona 9