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2.4 Drive Unit
2.4.1 Drive Unit
The Drive Unit controls the motor/axes as it receives a command from the Control Unit.
One Drive Unit is capable of controlling (a motor with) up to four (4) axes. Up to three
(3) Drive Units are connectable to a Control Unit.
2.4.2 Front Panel
(1)
(2)
(1) Signature label:
The Signature Label indicates the Drive Unit Serial No. It is attached on the left
when facing to the front panel.
(2) Connection Check label:
This label indicates a serial number of the Manipulator to be connected and is
attached on the left when facing to the front panel.
Example
(3) Cooling Fan:
Either one or two cooling fans are installed behind the front panel.
(4) LED:
The LED on the front panel indicates the status of the Drive Unit during operation as
follows:
1
2
ERROR
RUN
E-STOP
MOTOR
POWER
POWER
(5) POWER switch:
The rated 15A circuit protector turns ON and OFF the power to the unit.
）
MANIPULATOR
ES551S
00002
LED
The number "1" indicates that an unresettable error relating to motor
control with/in any of the robot axes occurs.
The number "2" indicates that a resettable error relating to motor
control with/in any of the robot axes occurs.
Lights when the CPU of the Drive Unit detects an error.
Lights while the CPU is operating normally in the Drive Unit.
Lights when in the emergency stop condition.
Lights when the motor power is ON.
(Motor Power: The DC power supply that inputs to the Motor Driver
module to drive the motor.
regulating AC200V or the local equivalent power.)
Lights when the Drive Unit is turned ON.
Function
2.4 Drive Unit (Part Names and Functions)
(3)
Description
This DC power is generated by
(4)
(5)
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