Mitsubishi MELSEC-A series - Preparation for Use

4. HANDLING /MELSEC-A
4.3 Preparation
4.3.1 Battery connection
The battery backs up the IC-RAM during power failure. The leads are
disconnected before shipment to prevent battery consumption.
Always connect the leads before using the AD71. (For battery life,
etc., refer to Chapter 9.)
\
Negative lead (blue)
IMPORTANT 1
The components on the printed circuit board may be dam-
aged by static electricity. When handling the printed circuit
board :
1) ground all tools, work bench, etc.
2) do not touch conductive areas or electrical components.
4-3
IB INAI 66101-A