234 ACQ550-U1 User’s Manual
Fieldbus adapter
Input reference select
Using the fieldbus to provide input reference to the drive requires:
• drive parameter value 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.)
Note: Multiple references are supported only when using the ABB Drives profile.
Scaling
Where required,
REFERENCES can be scaled. See the following sections, as
appropriate:
• Reference scaling on page 244 (ABB Drives profile technical data)
• Reference scaling on page 248 (Generic profile technical data).
System control
Using the fieldbus for miscellaneous drive control requires:
• drive parameter values set as defined below
• fieldbus controller command(s) in the appropriate location. (The location is
defined by the Protocol Reference, which is protocol dependent.)
1002 EXT2
COMMANDS
10 (COMM) Start/Stop by controlled fieldbus with
Ext2 selected.
1003
DIRECTION 3 (REQUEST) Direction controlled by fieldbus.
Drive parameter Value Description
Protocol
reference
1102
EXT1/EXT2 SEL 8 (COMM) Ref. selected by fieldbus.
(Required only if 2 references used.)
1103
REF1 SELECT 8 (COMM)
9 (
COMM+AI1)
10 (
COMM
*
AI1)
Input reference 1supplied by fieldbus.
1106
REF2 SELECT 8 (COMM)
9 (
COMM+AI)
10 (
COMM
*
AI)
Input reference 2 supplied by fieldbus.
(Required only if 2 references used.)
Drive parameter Value Description
Protocol
reference
1601
RUN ENABLE 7 (COMM) Run enable by fieldbus.
1604
FAULT RESET SEL 8 (COMM) Fault reset by fieldbus.
1607 PARAM SAVE 1 (SAVE) Saves altered parameters to memory (then
value returns to 0).
Drive parameter Value Description
Protocol
reference
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