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ACH550-UH User’s Manual
Serial Communication – EFB
•
Fieldbus controller supplied command(s) in the appropriate location. (The
location is defined by the Protocol Reference, which is protocol dependent – the
table shows samples.)
1. Applies only for Modbus using ABB Drive profile.
2. BACnet not defined at time of publication.
3. The reference provides direction control – a negative reference provides reverse rotation.
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 – the
table shows samples.)
1. Applies only for Modbus using ABB Drive profile.
2. BACnet not defined at time of publication.
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 Drives Profile Technical Data" section.
•
"N2 Analog Output Objects" in the "N2 Protocol Technical Data" section.
•
The slope of points 60 and 61 in the "FLN Protocol Technical Data" section.
•
TBD in the "BACnet Technical Data" section.
Drive Parameter
Value
Description
Protocol Reference
Modbus
1
N2
FLN
BACnet
2
1001
EXT
1
COMMANDS
10 (
COMM
)
Start/Stop by
fieldbus with Ext1
selected.
40001
bit 3
BO1
24
1002
EXT
2
COMMANDS
10 (
COMM
)
Start/Stop by
fieldbus with Ext2
selected.
40001
bit 3
BO1
24
1003
DIRECTION
3 (
REQUEST
) Direction by
fieldbus.
Note 3
BO2
22
Drive Parameter
Value
Setting
Protocol Reference
Modbus
1
N2
FLN
BACnet
2
1102
EXT
1/
EXT
2
SEL
8 (
COMM
)
Reference set selection
by fieldbus.
40001
bit 11
BO5
26
1103
REF
1
SEL
8 (
COMM
)
Input reference 1 by
fieldbus.
40002
AO1
60
1106
REF
2
SEL
8 (
COMM
)
Input reference 2 by
fieldbus.
40003
AO2
61