ABB ACS550 Series, Руководство пользователя

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ACS550 User’s Manual 233
Fieldbus adapter
Status Word
As described earlier in section Control interface on page 222 , the contents of the
STATUS WORD
is status information, sent by the drive to the master station. The
following table and the state diagram later in this sub-section describe the status
word content.
5 RAMP_HOLD 1
RFG OUT ENABLED
Enable ramp function.
Enter
RAMP FUNCTION GENERATOR
:
ACCELERATOR ENABLED
0
RFG OUT HOLD
Halt ramping (Ramp Function Generator
output held)
6 RAMP_IN_
ZERO
1
RFG INPUT ENABLED
Normal operation. Enter
OPERATING
0
RFG INPUT ZERO
Force Ramp Function Generator input to
zero.
7 RESET 0=>1
RESET
Fault reset if an active fault exists (Enter
SWITCH
-
ON INHIBITED
). Effective if 1604 =
COMM
.
0
OPERATING
Continue normal operation
8…9 Unused
10 REMOTE_CMD 1 Fieldbus control enabled
0 • CW 0 or Ref 0: Retain last CW and
Ref.
• CW = 0 and Ref = 0: Fieldbus control
enabled.
• Ref and deceleration/acceleration ramp
are locked.
11 EXT CTRL LOC 1
EXT
2
SELECT
Select external control location 2 (
EXT
2).
Effective if 1102 =
COMM
.
0
EXT
1
SELECT
Select external control location 1 (
EXT
1).
Effective if 1102 =
COMM
.
12…15 Unused
ABB Drives profile (FBA)
STATUS WORD
Bit Name Value
Description
(Correspond to states/boxes in the state diagram)
0 RDY_ON 1
READY TO SWITCH ON
0
NOT READY TO SWITCH ON
1 RDY_RUN 1
READY TO OPERATE
0
OFF
1
ACTIVE
2 RDY_REF 1
OPERATION ENABLED
0
OPERATION INHIBITED
3 TRIPPED 0…1
FAULT
0 No fault
ABB Drives profile (FBA)
CONTROL WORD
Bit Name Value Commanded state Comments
=/ =/