Mitsubishi Electric MELSEC-F FX3G Series User Manual page 51

FX Series Programmable Controllers
3G
User's Manual - Hardware Edition
4.1.1 Dielectric withstand voltage test and insulation resistance test
Perform dielectric withstand voltage test and insulation resistance test at the following voltage between each
terminals and the main unit ground terminal.
Between terminals
Terminals of main unit and input/output powered extension unit/block
Between power supply terminal (AC power
supply) and ground terminal
Between power supply terminal (DC power
supply) and ground terminal
Between 24V DC service power supply
connected to input terminal (24V DC) and
ground terminal
Between input terminal (100V AC) and
ground terminal
Between output terminal (relay) and ground
terminal
Between output terminal (transistor) and
ground terminal
Between output terminal (triac) and ground
terminal
Terminals of expansion board, special adapter and special function block
Between terminal
(Except FX -4EX-BD and FX
3G
and ground terminal
Between FX -4EX-BD input terminal
3G
(24V DC) and ground terminal
Between FX -2EYT-BD output terminal
3G
(transistor) and ground terminal
Between terminal of special adapter and
ground terminal
Special function block
4 Specifications, External Dimensions and Terminal Layout (Main Units)
Dielectric strength
1.5kV AC for 1min
500V AC for 1min
1.5kV AC for 1min
500V AC for 1min
1.5kV AC for 1min
of expansion board
-2EYT-BD) Not allowed
3G
500V AC for 1min
Insulation
resistance
5M or
higher by 500
V DC
Only input/output powered extension unit/block
insulation
resistance
tester
Only input/output powered extension unit/block
Since the expansion board and the main unit
CPU are not insulated, it is not allowed to
Not allowed
perform the dielectric withstand voltage test and
insulation resistance test between them.
5M or
higher by 500
V DC
insulation
resistance
tester
Refer to the manual for each special function
Each manual
block.
4.1 Generic Specifications
Remarks
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