Rockwell Automation 1756-L72EROMS Armor GuardLogix Controller - Manual (Page 8)

8 Armor GuardLogix Controller
Rockwell Automation Publication 1756-IN060B-EN-P - November 2013
Ground the Controller
You must provide a proper grounding path by using the ground lug on the bottom of the
enclosure.
Refer to Industrial Automation Wiring and Grounding Guidelines, publication 1770-4.1 for
guidelines on installing an industrial control system.
Open the Access Door
Open the enclosure door to access the power switch,
controller USB port, and SD memory card in the
controller.
1. Loosen the four (captive) screws on the front
of the enclosure.
2. Gently lift the door and rotate it counter-
clockwise from the pivot at the lower left
corner.
The door remains attached to the enclosure.
3. Close the access door on the enclosure and torque the four screws to 3.8 N•m
(33.5 lb-in).
Remove and Install the SD Card
If you want to remove the SD card, follow these steps.
1. Open the enclosure door to access the controller.
2. Turn the keyswitch to the PROG position.
3. Press and release the SD card to eject it.
4. Remove the SD card.
5. Close the enclosure access door.
PE Ground
Wire Size Tightening Torque
1.3…5.2 mm
2
(#16…#10 AWG) 2 N•m (17.7 in-lb)
IMPORTANT When the access door is open, the Armor GuardLogix controller rating is Type 1.
IMPORTANT Verify that the SD card status indicator is off and that
the card is not in use before removing it.
TM
®
Armor GuardLogix
24VD IN OUT DC 24VDC LNK1 LNK2 LNK1 LNK2 Channel A Channel B
Pull and Rotate
Counter Clockwise
TM
Pivot Point
Logix 55xx
RUN FORCE SD OK