Mitsubishi Electronics A951GOT Benutzerhandbuch

6 - 6

6.1 GOT Main Unit
6.1.3 Wiring method

1)

Power supply wiring

• Separate the GOT's power supply line from the lines for I/O devices and power devices as shown 

below.
When there is much noise, connect an insulation transformer.

Power supply wiring diagram

• 100VAC, 200VAC and 24VDC wires should be twisted as dense as possible. 

Connect the modules with the shortest distance.

Also, to reduce the voltage drop to the minimum, use the thickest wires possible (0.75 to 2mm

2

).

Use a solderless terminal for M3 screw. Also, be sure to tighten the M3 screw within tightening 
torque 0.55 to 0.88 N m in order not to cause trouble.

• Do not bundle the 100VAC, 200VAC and 24VDC wires with, or run them close to, the main circuit 

(high voltage, large current) and I/O signal lines. Reserve a distance of at least 100 mm from 
adjacent wires.

• As a countermeasure to power surge due to lightening, connect a surge absorber for lightening 

as shown below.

Lightening surge absorber connection diagram

(1) Separate the ground of the surge absorber for lightening (E1) from that of the 

GOT (E2).

(2) Select a surge absorber for lightening whose power supply voltage does no 

exceed the maximum allowable circuit voltage even at the time of maximum 
power supply voltage elevation.

200VAC

T1

Main power
supply

GOT power
supply

Insulation
Transformer

GOT

I/O power supply

Main circuit equipment

I/O equipment

Main circuit equipment

AC

E1

E2

GOT

Surge absorber for lightening