Def / Type
FbEq 16b / 32b
Description
Name / Range /
Selection
No.
See
Terms and abbreviations (page 130)
.
Other [bit]
Selected / uint32
Selects the source of the positive speed enable
command.
1 = Positive speed enabled.
0 = Positive speed interpreted as zero speed reference.
In the figure below,
is set to
zero after the positive speed enable signal has cleared.
Actions in different control modes:
Speed control: Speed reference is set to zero and the
motor ramps down along the currently active
deceleration ramp. The drive keeps modulating. The
rush controller prevents additional torque terms from
running the motor in the positive direction.
Torque control: The rush controller monitors the
rotation direction of the motor.
20.23 Positive speed enable
20.24 Negative speed enable
23.01 Speed ref ramp input
01.01 Motor speed used
Positive speed
enable
20.23
0
0
Not selected
1
1
Selected
2
Digital input DI1 (
, bit 0).
DI1
3
Digital input DI2 (
, bit 1).
DI2
4
Digital input DI3 (
, bit 2).
DI3
5
Digital input DI4 (
, bit 3).
DI4
6
Digital input DI5 (
, bit 4).
DI5
7
Digital input DI6 (
, bit 5).
DI6
10
Digital input/output DIO1 (
, bit
0).
DIO1
11
Digital input/output DIO2 (
, bit
1).
DIO2
See
Terms and abbreviations (page 130)
.
Other [bit]
Selected / uint32
Selects the source of the negative speed reference
enable command. See parameter
Negative speed
enable
20.24
Parameters 249
Summary of Contents for ACS880 N5700 Series
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