Filter
Top Products
7 - 20
7 DATA LINK PROCEDURE
MELSEC-QnA
Continued from the previous page
End
The test results are displayed on the "LEDs" of master module.
[When at least one station is communicating normally]
The LEDs are turned on in the following order: "SW" "M/S" "PRM" "TIME".
The test result is stored in SW00B4 to B7. However, the test is performed for 64 stations, so ignore the bits for the
unconnected stations.
SW
M/S
PRM
TIME
none
• Test cannot start. (Cable is disconnected before the test,
or power is off at all stations.)
Repeats until all
stations become faulty.
LED on Cause
PRM • All stations have error, or cable is disconnected.
Error code storage area
SW00B8