Inspection And Checking Before Trial Operation - YASKAWA E-V Series User Manual

4.2

Inspection and Checking before Trial Operation

To ensure safe and correct trial operation, inspect and check the following items
before starting trial operation.
 Servomotors
Inspect and check the following items, and take appropriate measures before per-
forming trial operation if any problem exists.
• Are all wiring and connections correct?
• Are all nuts and bolts securely tightened?
• If the servomotor has a brake, is the brake released beforehand? To release the
brake, apply the specified voltage (24 VDC). The following diagram shows an
example of the circuit wiring needed to release the holding brake before a trial
operation.
An Example of Wiring for Circuits
Insulated AC/DC
converter for main
Power
circuit power supply
supply
Insulated AC/DC
converter for control
circuit power supply
∗ A 24-VDC power supply for the brake is not included.

4.2 Inspection and Checking before Trial Operation

SERVOPACK
CN3
L1
L2
C1
C2
FG
Brake power supply*
CN4
U
V
W
CN2
Servomotor with
holding brake
M
ENC
BK
4
4-3