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Group 58: Embedded Fieldbus
58.01 Protocol Enable = ModbusRTU
58.03 Node Address = 1
58.25 Control Profile = Transparent
58.26 EFB Ref1 Type = Speed
58.30 EFB status word transparent = 6.11[16]
58.31 EFB act1 transparent source = 1.1[16]
58.34 Word order = HI-LO
58.110 Data I/O 10 = 1.7[16]
58.111 Data I/O 11 = 1.11[16]
58.112 Data I/O 12 = 1.14[16]
Last step is to restart the fieldbus interface so the above settings take effect:
Do this any time you make a change to Group 58 parameters!
58.06 Communication Control = Refresh settings
That should complete the fieldbus setup on the drive.
If this were a startup in the field, next step would be to explain the control word and status word structure and reference/
actual value scaling to the PLC technician. The rest of this document is devoted to understanding how that works.
Simulating a ModbusRTU Master:
F-2 ModbusRTU Setup
This is the drive's node address on the Modbus RTU network
Speed scaling is 1 unit = 1 rpm
Status Word
Actual Speed
Motor Current
DC Bus Voltage
Motor Power
PLC INPUT DATA
3AXD50000011888
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