Mitsubishi Electric MELSEC iQ-R C Series Programming Manual page 180

Description
This function displays the value specified to the LED data (pcData) on the dot matrix LED.
• Do not execute this function in a routine other than an interrupt routine.
• Do not execute this function when a mode other than "USER" is selected in the operation selection mode.
An unintended value may be displayed on the dot matrix LED.
• Do not execute this function while checking an operation or checking the selected operation with the MODE/
SELECT switch.
An unintended value may be displayed on the dot matrix LED.
Precautions
When this function is executed, an image of the dot matrix LED in which data are being written may be displayed on the
[Module Diagnostics (CPU diagnostics)] screen of CW Configurator.
WARNING
If any function in which an invalid argument is specified is executed, an error such as hardware failure (3C02H) may occur on
C Controller module.
Return value
Return value
0 (0000H)
Relevant function
• Page 171 CCPU_GetDotMatrixLED_ISR
3 DETAILS OF FUNCTION
178
3.2 C Controller module dedicated functions for ISR
Description
Normal