ABB DriveIT ACH550-01 User Manual page 190
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1102
EXT1/EXT2 SEL
Defines the source for selecting between the two external control
locations
EXT
Direction commands and reference signals.
0 =
1 – Selects external control location 1 (
EXT
• See parameter 1001
definitions.
• See parameter 1103
1 =
1 – Assigns control to
DI
activated =
2...6 =
2...
DI
the selected digital input. See
7 =
2 – Selects external control location 2 (
EXT
• See parameter 1002
definitions.
• See parameter 1106
8 =
COMM
1 or
EXT
• Bit 5 of the Command Word 1 (parameter 0301) defines the active
external control location (
• See Fieldbus user's manual for detailed instructions.
9 =
TIMER
Timer (Timer activated =
Group 36, Timer Functions.
10...12 =
state of the Timer. See Timer 1 above.
-1 =
1(
DI
INV
(
1 activated =
DI
-2...-6 =
DI
the state of the selected digital input. See
186
1 or
2. Thus, defines the source for Start/Stop/
EXT
EXT
REF
2;
1 de-activated =
EXT
DI
6 – Assigns control to
DI
EXT
REF
– Assigns control of the drive via external control location
2 based on the fieldbus control word.
EXT
1 – Assigns control to
EXT
2... 4 – Assigns control to
TIMER
) – Assigns control to
1;
1 de-activated =
EXT
DI
2(
)...
6(
) – Assigns control to
INV
DI
INV
ACH550 User's Manual
1
for
COMMANDS
EXT
1
for
1's reference definitions.
SELECT
EXT
1 or
2 based on the state of
EXT
EXT
1).
EXT
1 or
EXT
EXT
1 above.
DI
2
for
COMMANDS
EXT
2
for
2's reference definitions.
SELECT
EXT
1 or
2).
EXT
EXT
1 or
2 based on the state of the
EXT
EXT
2; Timer de-activated =
EXT
1 or
2 based on the state of
EXT
EXT
EXT
DI
Parameter listing and descriptions
0...18, -1...-6
1).
EXT
1's Start/Stop/Dir
DI
2 based on the state of
2).
EXT
2's Start/Stop/Dir
1). See
EXT
1 or
2 based on the
EXT
2).
1 or
2 based on
EXT
EXT
1(
) above.
INV
1 (
1
DI
1
DI
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