Mitsubishi A1SJ61BT11 User Manual page 155

7 DATA LINK PROCEDURE
Continued from the previous page
The test results are displayed on the "LEDs" of master module.
[When normal]
The LEDs are turned on in the following order: "SW"
It is judged as normal when this repeats five times or more.
SW
M/S
PRM
TIME
[When error]
LED on
Cable is disconnected, or the corresponding station has
error.
PRM
Test transmission text is corrupt.
Test cannot start. (Cable is disconnected before the test,
none
or power is off at all stations.)
End
"M/S"
Repeats
Cause
"PRM" "TIME".
Error code storage area
SW00B8
7 - 19
MELSEC-A