VLT
®
MCA 121 EtherNet/IP Add On Instruction
MI3xxxxxxx - VLT
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9
The functions of the input tags are:
Name Type Description
EnableIn Boolean Activates the AOI if set to true (1)
Run Boolean Set to true (1), starts the Motor
Reverse Boolean Set to false (0); set the Motor direction to clockwise (CW).
Set to true (1); Reverses the Motor direction to counter clockwise (CCW) If the motor has
to run in CCW, parameter 4-10 must be set to “Both directions”.
Reset Boolean In transition from 0 to 1, a fault trip can be reset
MR
Real Main Reference Value. Speed set point in %. of nominal motor speed
The function of the output tags are:
Name Type Description
Ready Boolean If true (1) the motor can be started. I
false (0) the drive has a local stop signal activated
(e.g. LCP stop, terminal 27=0) or an alarm that prevents the drive from being ready.
Running Boolean If true (1) motor is energized
Warning Boolean If true (1) the drive has a active warning
Alarm Boolean If true (1) the drive has a active alarm
MA
Real Main Actual Value. Actual motor speed in % of nominal motor speed
Current Real Motor current in Amps
Figure