Velocity & acceleration – Rockwell Automation 1398-PDM-xxx IQ Master Version 3.2.4 for IA-2000 and IQ-5000 Positioning Drive Modules, IQ-55 User Manual

Page 64

Advertising
background image

42

Parameter Menu • Velocity & Acceleration

Publication 1398-PM601A-EN-P — October 2000

MENUS

Velocity & Acceleration

Velocity, Acceleration, and Timebase settings are set in the Velocity/Acceleration dialog box. These val-
ues are the default values which are used if motion commands or programs do not use different settings.
The ULTRA Plus or IQ is shipped from the factory with values for each of the settings. Verify that each
of the settings is appropriate for the application before operating the system. After changing any set-
tings, choose OK to store the new settings and close the dialog box. Choose Update to store the new set-
tings, but still leave the dialog box displayed. Choose Cancel to leave the dialog box without saving any
changes. Refer to Part 5

Language Reference for more detailed information on each of these values,

except Timebase.

Name

Description

Detail Reference

Velocity

Velocity is the default velocity used to cal-
culate motion profiles, MOVD, MOVP.

Part 5
Language Reference
VEL

Acceleration

Acceleration is the default acceleration for
all motion generated by the ULTRA Plus or
IQ-Series controller except jogs and stick
moves. Acceleration and deceleration rates
for motion profiles and the home program
are specified by this parameter. Units for
this parameter are user units per second per
second.

Part 5
Language Reference
ACCEL

Feedrate

Feedrate scales the Timebase for motion.
With the Feedrate set at 100%, all velocities
and dwells are at the programmed rates.
Feedrate can be set less than 100% to slow
down a process, or above 100% to speed it
up. The maximum value for the feedrate is
200%.

Note: If the analog input ADC1 is selected
as a feedrate input, the feedrate will be
determined by the analog input instead of
the Feedrate parameter.

Part 5
Language Reference
FDR

Slew

Slew enables the slew rate limit for the gear
output.

Part 5
Language Reference
SLEW

Timebase

Timebase sets the units for all velocity val-
ues. If set to seconds, velocity units are user
units per second. If set to minutes, velocity
units are user units per minute.

Note: Timebase only affects velocity state-
ments and Overspeed.

Part 5
Language Reference
TBASE

Jog Velocity

Jog Velocity is the velocity used for jog
commands.

Part 5
Language Reference
JVEL

Jog Acceleration

Jog Acceleration is the acceleration used for
jog commands and MOVV.

Part 5
Language Reference
JACCEL

Advertising