ABB ACH550 series, User Manual

Page: 224 / 478

Parameter listing and descriptions 219
ACH550-01 User's Manual
Code Description Range
1701 OVERRIDE SEL -6…6
Selects the source of the override activation signal.
0 =
NOT SEL
– Override activation signal not selected.
1 =
DI
1 – Defines digital input
DI
1 as the override activation signal.
• This digital input must be activated for override activation signal.
2…6 =
DI
2…
DI
6 – Defines digital input
DI
2…
DI
6 as the override
activation signal.
• See
DI
1 above.
-1 =
DI
1(
INV
) – Defines an inverted digital input
DI
1 as the override
activation signal.
-2…-6 =
DI
2 (
INV
)…
DI
6(
INV
) – Defines an inverted digital input
DI
2…
DI
6
as the override activation signal.
• See
DI
1 (
INV
) above.
1702 OVERRIDE FREQ 0…500 Hz
Defines a preset frequency for the override. The direction of rotation is
defined by parameter 1003.
Note: Set this value if motor control mode (parameter 9904) is
SCALAR
:
FREQ
(3).
1703 OVERRIDE SPEED 0…30.000 rpm
Defines a preset speed for the override. The direction of rotation is
defined by parameter 1003.
Note: Set this value if motor control mode (parameter 9904) is
VECTOR
:
SPEED
(1).
1704 OVERRIDE PASS CODE 0…65535
Entering the correct pass code unlocks parameter 1705 for one change.
• Enter the pass code always before changing the value of parameter
1705.
• See parameter 1705 below.
• The pass code is 358.
• The entry reverts back to zero automatically.
1705 OVERRIDE ENABLE 0…2
Selects whether the override is enabled or disabled.
0 =
OFF
– Override disabled.
1 =
ON
– Override enabled.
• When enabled, the drive stores the values of all parameters into an
override parameter set (see parameter 9902) and the parameters in
group 17 will be write protected (except parameter 1704). To change
the other parameters in group 17, override has to be disabled.
2 =
LOAD
– Loads the saved override set into use (as an active
parameter set).
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