IS-300A
5. Installation and Connection
5-4
When using our conventional transformer (IT-512□)
{
{
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L1,L2,L3,PE)
Power cable
Output cable
Communication cable
To PE
Circuit cable
External I/O
signal cable
(4-core:
(3-core: U,V,PE)
the terminal strip
To PC
To ground
MA-660A
Welding
transformer
Valve signal line
Welding
head
breaker
Earth leakage
Secondary
conductor
Start signal line
PLC
Shielded
line
Match indications on
and the cable.
Voltage detecting cable
Toroidal coil
SENS cable
200VAC input
IS-300A Rear
IS-300A Front
(Note 1) All items other than IS-300A are sold separately.
(Note 2) Use the SENS cable SK-07527 specified by us. (See 10. (2).)
In the secondary constant-current effective value control and secondary
constant-power effective value control, the toroidal coil is required. Connect 200 V AC
for fan motor.
(Note 3) The screw of the power cable for IS-300A is M8 (M6 for the PE terminal). The screw
of the output cable is M6 for U, V and PE.
(Note 4) On the MODE SELECT screen, set SCAN MODE to 1-1. (See 4. (9)(q).)
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