4. STARTUP 
4 -  11 
 
4.4 Test operation 
Before starting actual operation, perform test operation to make sure that the machine operates normally. 
Refer to section 4.2 for how to power on and off the servo amplifier. 
 
POINT 
 
If necessary, verify controller programs by using motor-less operation. Refer to 
section 4.5.2 for the motor-less operation. 
 
Test operation of the servo motor
alone in JOG operation of test
operation mode
Test operation of the servo motor
alone by commands
Test operation with the servo motor
and machine connected
 
In this step, confirm that the servo amplifier and servo motor operate 
normally. With the servo motor disconnected from the machine, use the test 
operation mode and check whether the servo motor rotates correctly. Refer 
to section 4.5 for the test operation mode. 
 
In this step, confirm that the servo motor rotates correctly under the 
commands from the controller. 
Give a low speed command first and check the rotation direction, etc. of the 
servo motor. If the machine does not operate in the intended direction, 
check the input signal. 
 
In this step, connect the servo motor with the machine and confirm that the 
machine operates normally under the commands from the controller. 
Give a low speed command first and check the operation direction, etc. of 
the machine. If the machine does not operate in the intended direction, 
check the input signal. 
Check any problems with the servo motor speed, load ratio, and other status 
display items with MR Configurator2. 
Then, check automatic operation with the program of the controller. 
 
4.5 Test operation mode 
 
CAUTION 
The test operation mode is designed for checking servo operation. It is not for 
checking machine operation. Do not use this mode with the machine. Always use 
the servo motor alone. 
If the servo motor operates abnormally, use EM2 (Forced stop 2) to stop it. 
 
POINT 
 
The content described in this section indicates that the servo amplifier and a 
personal computer are directly connected. 
 
By using a personal computer and MR Configurator2, you can execute JOG operation, positioning operation, 
output signal forced output, and program operation without connecting the servo system controller.