CHAPTER 4: ELECTRICS 4-7
QUICK LOAD SERVO III MI
1.4.5. Servo amplifier
By means of the SERVO amplifier, the programmable controller controls the movements of the motor.
The input values, as well as the position of the pusher carrier, are continuously registered. The values are
saved by means of a battery, and, therefore, the axles do not need to be placed at zero when the bar
feed system after powered up.
Although the batteries last for a relatively long time (4-7 years), it is advisable to keep spare ones on hand.
When a battery becomes low, the amplifier signals this through a control light. The battery is not
rechargeable, and must be replaced right away. The replacement must be done while the bar feed
system is still powered up.
Procedure :
1. Raise cover (I), Pull out plug (D).
2. Ease clip to the right and remove the battery. The wires on the extremities of the battery connecting
it to the switch are part of the battery.
3. Install the new battery inside the support, connect the plug and close the cover.
Used batteries must be disposed off in an ecologically safe manner.
C
N
2
C
N
3
U V W
L2L1 L3
C
N
1
A
C
N
1
B
MITSUBISHI
CHARGE
OPEN
U WV
Designation Description
A 230 V + ground power supply
B Power output to SERVO motor
C Battery (ordering number 4.714)
D Battery plug
E Emergency stop contact
F Encoder connecting plug
G Programmable controller / SERVO amplifier connecting plug
H Alarm and codes display of amplifier
I Cover
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