ABB AC 800M Manual

Internal Battery Section 5 Maintenance
194 3BSE036351-510 A
To exchange the internal battery:
1. Using a blade screwdriver, release the captive screw from the PM8xx and
remove the right-hand cover.
2. Identify and remove the internal battery.
3. When power is re-established, ensure that the B(attery) LED is illuminated
4. Replace the PM8xx right-hand cover and tighten the screw.
5. Dispose of the run-down Lithium battery in an approved manner.
Insert a serviceable battery and check that battery polarity and orientation are
correct, according to the marking on the housing.
Figure 64. Internal Battery Location – here shown with PM860
F
R
P
B
INIT
PM860
Tx
Rx
CN1
CN2
COM3
COM4
+
–
Tx
Tx
Tx
Rx
Rx Rx
battery
Internal

ABB AC 800M Specifications

General

Brand	ABB
Model	AC 800M
Category	Controller
Language	English