R 27 - host enable, Reset i peaks, Define home command – Rockwell Automation 2098-DSD-xxx Ultra3000 Digital Servo Drives with DeviceNet User Manual

Page 72: Host enable, Host control mode, Velocity setpoint

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Publication 2098-RM004A-EN-P – August 2002

2-56

Programming Reference

25

Set

Reset I Peaks

USINT

1

Resets the peak value parameters to zero: Peak
Positive Position Error (Peak +Posn Error), Peak
Negative Position Error (Peak -Posn Error), Positive
Peak Current, and Negative Peak current.
0 - No Action (default)
1 - Reset

26

Set

Define Home
Command

USINT

1

Causes the present motor position to be selected as
Home position. The position command is set to the
Home Position value, and the position feedback is
simultaneously set to its appropriate value,
according to the position error.
0 - No Action (default)
1 - Execute Command

27

Set

Host Enable

USINT

1

Sets or returns the drive’s Host Enable flag. If set to
'Enable' and the ENABLE input is active, the drive is
enabled. If set to 'Disable' or the ENABLE input is not
active, the drive is disabled. By default, Host Enable
is enabled. If the drive is reset or power cycled, the
'Host Enable' is automatically set to 'ENABLE'. The
Host Enable setting is not saved in nonvolatile
memory.
0 - Disable
1 - Enable (default)

ATTENTION

!

The Host Enable parameter allows you to temporarily disable the drive. Do not assume that the drive is
permanently disabled via the Host Enable parameter. Failure to comply may result in personal injury
and/or equipment damage.

28

Set

Host Control
Mode

USINT

1

Temporarily puts the drive into various tuning and
special operating modes. The Host Control Mode
setting is not saved in nonvolatile memory.
0 - Normal Mode (default)
1 - Setpoint Velocity
2 - Setpoint Current
3 - Host Index Mode (Indexing Only)
4 - Autotuning
5 - Step Velocity
6 - Step Position

29

Set

Velocity Setpoint

DINT

4

Cnts /
Sec

The velocity command value used when the Host
Contrl Mode is 'Setpoint Velocity'. The drive will
ramp up, or ramp down, to the Velocity Setpoint at
the rate of acceleration set by Parameter 31 -
Setpoint Accel. The Velocity Setpoint is not saved in
nonvolatile memory.
Range: -0x7fffffff to 0x7fffffff
Default: 0

Parameter Object,
Instances ID = 1- 1059

Parameter
Instance

Access
Rule

Parameter
Name

Data
Type

Data Size
(Bytes)

Units /
Scale

Description

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