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4 Specifications, External Dimensions and Terminal Layout (Main Units)
4.1 Generic Specifications
45
FX3G Series Programmable Controllers
User's Manual - Hardware Edition
1
Introduction
2
Features and
Part Names
3
Product
Introduction
4
Specifications
5
Version and
Peripheral
Devices
6
System
Configuration
7
Input/Output
Nos., Unit Nos.
8
Installation
9
Preparation and
Power Supply
Wiring
10
Input Wiring
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 Dielectric strength
Insulation
resistance
Remarks
Terminals of main unit and input/output powered extension unit/block
Between power supply terminal (AC power
supply) and ground terminal
1.5kV AC for 1min
5M or more
on 500V DC
Megger
-
Between power supply terminal (DC power
supply) and ground terminal
500V AC for 1min
-
Between 24V DC service power supply
connected to input terminal (24V DC) and
ground terminal
-
Between input terminal (100V AC) and
ground terminal
1.5kV AC for 1min
Only input/output powered extension unit/block
Between output terminal (relay) and ground
terminal
-
Between output terminal (transistor) and
ground terminal
500V AC for 1min -
Between output terminal (triac) and ground
terminal
1.5kV AC for 1min Only input/output powered extension unit/block
Terminals of expansion board, special adapter and special function block
Between terminal of expansion board
(Except FX3G-4EX-BD and FX3G-2EYT-BD)
and ground terminal
Not allowed Not allowed
Since the expansion board and the main unit
CPU are not insulated, it is not allowed to
perform the dielectric withstand voltage test and
insulation resistance test between them.
Between FX3G-4EX-BD input terminal
(24V DC) and ground terminal
500V AC for 1min
5M or more
on 500V DC
Megger
-
Between FX3G-2EYT-BD output terminal
(transistor) and ground terminal
-
Between terminal of special adapter and
ground terminal
-
Special function block Each manual
Refer to the manual for each special function
block.