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9.6 Using Support Equipment
The following shows examples of support equipment in which programmable
controller-used systems or devices automatically notify a detected failure or
operation status to an operator or maintenance personnel during an automatic
control operation.
1.
Displaying an error using a commercial lamp
Connect the error lamp to the output module of the programmable controller so
that the lamp flashes when an error is detected.
Lamp flicker
Output module (Y50 to Y6F)
Error indication lamp
Control panel
The lamp (Y50) flashes
when an error is detected.
SM1
Y50
SM412
(Error detection) (1-sec. clock)
2.
Displaying an error code on a commercial digital display
Connect the digital display to the output module of the programmable controller
so that the error code number of the detected error is indicated on the digital
display.
Numerical display
Output module (Y70 to Y8F)
The error code number is
displayed on the digital display
when an error is detected.
SM1
(Error detection)
Error indication lamp
Control panel
Error code
BCD SD0 K2Y70
00
Error code
32
(Error code)
NOTE
The above programs cannot be executed when a stop error occurs.