2.3 LED and Seven-segment LED
2.3.1 LED and Seven-segment Display
Three LEDs and a four-digit seven-segment LED display are located on the front panel
of the Controller.
LED : LED (TEACH, AUTO, PROGRAM) turns ON according to the current
operation mode (TEACH, Auto, Program).
Seven-segment : Indicates the line number and Controller status (error number, warning
number, Emergency Stop or Safeguard status).
From turning ON the Controller to completing startup
LED : All three LEDs blink.
Seven-segment : All four LED digits turn OFF the lights.
After Controller Startup
LED : LED (TEACH, AUTO, PROGRAM) turns ON according to the current
operation mode (TEACH, Auto, Program).
Seven-segment : Display changes according to the Controller status.
When several Controller statuses occurred at one time, the status
indicated earlier on the following table is displayed. For an example,
when both Emergency Stop and Safeguard statuses occurred at one time,
is displayed.
*1 For error numbers and warning numbers, refer to Maintenance 8.1 Error Code Table.
*2 In initial status, execution line of task number 1 is displayed in three-digit.
Use Ton statement to change the displayed task number.
For details, refer to EPSON RC+ 5.0 SPEL+ Language Reference, or Online Help.