7 - 23                          7 - 23
MELSEC-Q
7   DATA COMMUNICATIONS USING BIDIRECTIONAL PROTOCOL
(2)   Confirmation using the module and GX Configurator-SC
1)   Confirmation using the display LED
When the Q series C24 detects an error, including a reception error, the ERR
LED lights up. (See Chapter 10.)
2)   Confirmation using GX Configurator-SC
•  The monitor function is used to check for errors. (See Sections 8.6.3 and
8.6.6.)
•  The ERR LED is turned off with the ERR LED OFF function. (See Section
8.6.10.)
3)   Confirming the error code
Use one of the following to confirm the error code.
•  GX Configurator-SC monitor function (See Section 8.6.6.)
•  GX Developer buffer memory monitor function (monitors addresses
257
H
/267
H
)