Chapter 4 PLC Features
4.1 Device Memory
4-6 ME0416-1A
Relation between SM Signals and System Data Assignment (2/2)
Assignment Details Remarks
SM64-71 Gateway Alarm
With SM71 on the top, the last two digits of gateway alarm code to be
assigned
SM72
SEMG:
System in Emergency Stop
Emergency stop by EMC terminal on gateway board
SM74
Gateway Board in Light
Turns on when gateway alarm in level available to continue operation
generated
SM75
Gateway Board in Critical
Turns on when gateway alarm in cold start level generated
SM76
RMDS:
MODE Switch in MANU
SM77
Driver Communication Error
Turns on when gateway alarm 8DD or 8DE generated
8DD: Unit Connectivity Error
8DE: Driver Unit_Total Frame Irregular Communication Error
SM78
CER:
Fieldbus Error Occurred
Turns on when gateway alarm 850 generated
850: Fieldbus Communication Error
SM79 On When Power Supplied
A bit with no special meaning, established to make it same specifications
as MCON-LC
Axis 0 in Light Malfunction
Turns on when axis maintenance alarm generated
The maintenance alarm indicates the driver board alarm codes 048, 04E,
04F and 06B.
Axis 1 in Light Malfunction
SM82 Axis 2 in Light Malfunction
Axis 3 in Light Malfunction
Axis 4 in Light Malfunction
Axis 5 in Light Malfunction
Axis 6 in Light Malfunction
SM87 Axis 7 in Light Malfunction
Turns on when an axis exists
SM92 Axis 4 in Link
Axis 8 in Light Malfunction
Turns on when axis maintenance alarm generated
The maintenance alarm indicates the driver board alarm codes 048, 04E,
04F and 06B.
SM97 Axis 9 in Light Malfunction
Axis 10 in Light Malfunction
Axis 11 in Light Malfunction
Axis 12 in Light Malfunction
Axis 13 in Light Malfunction
SM102 Axis 14 in Light Malfunction
Axis 15 in Light Malfunction
Turns on when an axis exists
SM107 Axis 11 in Link
SM112-127
Reserved