Fieldbus Profile for Vacon brake chopper unit
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5.
FIELDBUS PROFILE FOR VACON BRAKE CHOPPER UNIT
Following document describes fieldbus profile for Brake Chopper Unit application.
If Profibus, Modbus or CANopen is used then Operate Mode = Bypass is to be used to be able to
read or write the following info.
Signals from Overriding System to Vacon regenerative Drive.
Fieldbus Data Name
Signal
Name Min
Max
FB
Scale Scaling
Description
Control Word
Main
Control
Word
See bitwise description below
Reference Value
Reserved for future use.
Process Data IN1
Reserved for future use.
Process Data IN2
Reserved for future use.
Process Data IN3
Reserved for future use.
Process Data IN4
Reserved for future use.
Process Data IN5
Reserved for future use.
Process Data IN6
Reserved for future use.
Process Data IN7
Reserved for future use.
Process Data IN8
Reserved for future use.
Table 5-1. Signals from overriding system
Signals from Vacon Drive to Overriding system
Fieldbus Data Name
Signal Name
FB
Scale Scaling
Description
Main Status Word
Main Status Word
See bitwise description below
Actual Value
DC Voltage
1=1V
DC Voltage in Volts
ProcessDataOut1 Total
current
10=1A Total Current
ProcessDataOut2
Power 10=1%
Power
ProcessDataOut3
Active fault
Active Fault
ProcessDataOut4
Reserved for future use.
ProcessDataOut5
Reserved for future use.
ProcessDataOut6
Reserved for future use.
ProcessDataOut7
Reserved for future use.
ProcessDataOut8
Reserved for future use.
Table 5-2. Signals to overriding system
