186 ACQ550-U1 User’s Manual
Embedded fieldbus
Input reference select
Using the fieldbus to provide input references to the drive requires:
• Drive parameter values set as defined below.
• Fieldbus controller supplied reference word(s) in the appropriate location. (The
location is defined by the Protocol Reference, which is protocol dependent.)
Reference scaling
Where required,
REFERENCES can be scaled. See the following, as appropriate:
• Modbus Register 40002 in the Modbus protocol technical data section.
• Reference scaling in the ABB control profiles technical data section.
Drive Parameter Value Setting
Protocol Reference
Modbus
BACnet
ABB DRV
DCU
PROFILE
1102 EXT1/EXT2
SEL
8 (COMM) Reference set
selection by fieldbus.
40001
bit 11
40031
bit 5
BV13
1103
REF1 SEL 8 (COMM) Input reference 1 by
fieldbus.
40002 AV16
1106
REF2 SEL 8 (COMM) Input reference 2 by
fieldbus.
40003 AV17
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