ModbusTCP Setup E-13AXD50000011888
Appendix E
ModbusTCP Setup
E.1 ACS880 Cooling Tower Drive
E.1.1 Modbus TCP Setup
This document will guide you through the process of setting up the ACS880 Cooling Tower Drive for monitoring and control
over Modbus TCP using the following data in and out:
Status WordControl Word
Ref 1 Actual Speed (rpm)
Ref 2 % Motor Torque x 100
Accel Time Motor Current (1=1Amp)
DC Bus Volts x 10
This guide assumes that the basic drive setup has already been done. This includes setting the Language & Units, entering
Motor Data and performing an ID Run.
Once this basic drive setup has been done, the following parameters will need to be set:
Group 50: Fieldbus Adapter
Program parameter PASS CODE (96.02) to 13 to allow access to eldbus parameters.
50.01 FBA A Enable = Option Slot 1 This is the top option slot on the drive. Adapter can go in any slot
50.02 FBA A Comm Loss Function = Warning This setting determines what the drive does when comms are lost
50.03 FBA A Comm Loss Timeout = 3sec This time is added to the time in 51.20 before issuing a fault warning
50.04 FBA A ref1 Type = Speed
50.08 FBA A Act1 Transparent source = Torque
50.09 FBA A SW Transparent Source = 6.11[16] Status Word sent back to the PLC will be par 6.11 Main Status Word
Group 76: CTD Motor Control
76.03 Operating Mode = FIELDBUS
Group 51: FBA A Settings (Ethernet Adapter Setup)
51.01 FBA A Type = EtherNet
51.02 Protocol/Prole = MB/TCP T16 Transparent 16 Prole
51.03 Comm Rate = Auto Automatically adjusts to 10 or 100Mbit/s network speed
51.04 IP Conguration = STATIC
51.05 IP Address ex. 192
51.06 IP Address ex. 168
51.07 IP Address ex. 0
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