Mitsubishi Electric MELSEC-A Series User Manual page 119

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4. A2CCPU
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No. Name Function
(2) ERR terminal • This is the terminal that outputs
MINI~S3
link errors and self-diagnostic errors.
(See Section 4.2.10.)
(3)
Power input terminal • This connects 100 VAC or 200 VAC power supply.
(See Section 4.1 for the specification and Section 6.4.2 for the connection.)
(4) Voltage switching • Used to set the voltage inputted to the power input terminal
terminal (See Section 6.4.2 for the connection)
100 VAC input : Short-circuit between terminals
by
use of a jumper supplied
with the A2G.
200 VAG input : Open between terminals.
(5)
LG terminal • For grounding of the power filter
• This has the electric potential of the half of that of the input voltage.
(6) FG terminal • This is connected to the shielding pattern on the printed circuit board.
POINT
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If the supply voltage to the power input terminal is different from voltage
setting of the voltage switching terminal, the following occurs.
~
Supply Voltage to Power Input Terminal
100 VAC 200VAC
Bhcrt-clrcult
Operates normally Destroys the A2C
Voltege
(200 VAG)
switching
The A2C does not operate.
terminal Open
(No error occurs in the Operates normally
(200 VAG)
A2G.)
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