4-2
4-1
Using Displays
4-1-1 Display Functions
OMRON U-series AC Servomotors have unique servo software that enables quantita-
tive monitoring in real time, on digital displays, of changes in a variety of characteristics.
Use these displays for checking the various characteristics during operation.
H
Servo Driver Displays
There are two LED indicators on the Servo Driver itself. One is for the power supply and another is for
alarms.
Symbol
Name
Function
PWR
Power supply indicator
Lit when AC power supply is normal.
ALM
Alarm indicator
Lit when error occurs.
If the alarm indicator is lit, connect a Parameter Unit and check the contents of the alarm.
H
Parameter Unit Displays
When a Parameter Unit is connected, monitoring can be conducted by means of a 5-digit 7-segment
LED.
Display area
(7-segment display)
R88A-PR02U Handy Type
R88A-PR03U Mounted Type
Power supply indicator
Alarm indicator
Application
Chapter 4
