WEG DeviceNet CFW500 - Page 25

Monitoring (Input)
Instance
Byte
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
71
0
At Reference
Ref. from Net
Ctrl from Net
Ready
Running2
(Rev)
Running1
(Fwd)
Warning
Faulted
1 Drive State
2 Speed Actual (low byte)
3 Speed Actual (high byte)
Control (Output)
Instance
Byte
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
21
0
NetRef NetCtrl
Fault Reset
Run Rev
Run Fwd
1 -
2 Speed Reference (low byte)
3 Speed Reference (high byte)
The table below presents the meaning of data for the instances 20/70 and 21/71.
Monitoring:
Bits (Byte 0)
Values
Bit 0
Faulted
0: The inverter is not in a fault condition.
1
: A fault has been recorded by the inverter.
Note: The fault number can be read by means of the parameter P0049 – Current Fault.
Bit 1
Warning
0: The inverter is not in alarm condition.
1
: The inverter is in alarm condition.
Note: The alarm number can be read by means of the parameter P0048 – Current Alarm.
Bit 2
Running1 (Fwd)
0: The motor is not rotating clockwise.
1: The motor is rotating clockwise.
Bit 3
Running2 (Rev)
0: The motor is not rotating counterclockwise.
1
: The motor is rotating counterclockwise.
Bit 4
Ready
0: The inverter is not ready to operate.
1
: The inverter is ready to operate (states Ready, Enabled or Stopping).
Bit 5
Ctrl from Net
0: The drive is controlled locally.
1
: The drive is controlled remotely.
Bit 6
Ref. from Net
0: The speed reference is not being sent via the DeviceNet network.
1
: It indicates that the speed reference is being sent via the DeviceNet network.
Bit 7
At Reference
0: The inverter has not yet reached the programmed speed.
1
: The inverter has reached the programmed speed.
 Byte 1 indicates the drive status:
 0 = Non-Existent
 1 = Startup
 2 = Not_Ready
 3 = Ready
 4 = Enabled
 5 = Stopping
 6 = Fault_Stop
 7 = Faulted
 Bytes 2 (
low ) and 3 ( high ) represent the motor actual speed in RPM.
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