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I
4. A2CCPU
- - - - - - - - - - - - - - - - - - - MELSEC·A
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
I
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.)
4-83

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