Toshiba VF-AS1 Welding System User Manual


 
E6581301
A-9
1
3) Control circuit terminal block
The control circuit terminal block is common to all equipment.

ST-CC Shorting bar
(VFAS1-****-H1, -HN, -WN)
Control
circuit
terminal
block
screw size: M
3
4-wire RS485
connector
For details on all terminal functions, refer to Section 2.3.2.
1.3.2 Detaching the cover
Main circuit terminal cover
To wire the main circuit terminal for models 200V-15kW or smaller and 400V-18.5kW or smaller, remove the main
circuit terminal cover in line with the steps given below.
(A) (B)
(1)
(2)
90°
Main circuit terminal
Open the main circuit terminal cover.
* To open the cover, lift it with your finger
placed at the part
on the right side of
the cover.
Remove the main circuit terminal cover.
(1) Turn the screw securing the cover
counterclockwise by 90° to release the lock
(Do not turn the screw by more than 90°.
Or else the screw might be broken.)
(2) Hold the cover by both ends, and then pull
up the cover with slightly bending it inward.