ABB ACH550-UH User Manual page 440

2-94
Input reference select
Using the fieldbus to provide input references to the drive requires:
• Drive parameter values set with the drive keypad 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.)
Drive Parameter
1102
1103
1106
Reference scaling
Where required,
• Modbus Register
•
N2 analog output objects – drive
section.
• The slope of points 60 and 61 in the
section.
Embedded fieldbus
Value
1/ 2 8 ( ) Reference set
EXT EXT COMM
selection by fieldbus.
SEL
1 8 ( ) Input reference 1 by
REF SEL COMM
fieldbus.
2 8 ( ) Input reference 2 by
REF SEL COMM
fieldbus.
REFERENCES
in the
40002
ACH550 E-Clipse Bypass User's Manual
Setting
ABB DRV
40001
bit 11
can be scaled. See the following, as appropriate:
Modbus protocol technical data – system
in the
N2 protocol technical data – system
FLN protocol technical data – system
Protocol Reference
Modbus
N2 FLN BACnet
DCU
PROFILE
40031 BO5 26
bit 5
40002 AO1 60
40003 AO2 61
BV13
AV16
AV17
section.