Magtrol DSP6000 User Manual - page 23
17
Magtrol Model DSP6000 Dynamometer Controller
Chapter 5 - The DSP6000 with a PC (Remote Control)
C
OMMAND
S
ET
FOR
DSP6000
Command
Category
Command
Code
Function
Explanation
Communications
H
Sets high data acquisition
rate (120 samples per
second)
The Controller outputs data at 120 S/s (Using an
RS-232 interface, the rate is 60 S/s.) Use this
command during the ramp up/down when a short
test time is required.
Communications
L
Sets low data acquisition
rate (3.8 samples per
second)
The Controller outputs data at 3.8 S/s (default
rate).
Communications
OA
Prompts to return to
auxiliary input data string
"Output Auxiliary" prompt to return the value at
the AUX INPUT x AUX SCALING factor.
Communications
OD
Prompts to return speed-
torque-direction data string
"Output Data" prompt to return data string with
this format:
SxxxxxTxxxxxRcrlf or SxxxxxTxxxxxLcrlf
R or L is the shaft direction indicator, as viewed
looking at the dynamometer shaft, where:
R = right; clockwise (CW)
L = left; counterclockwise (CCW)
The speed will equal the displayed value and the
torque will be in the same units as displayed on
the front panel.
Ramp
PD#
Sets ramp down rate to
#RPM per second
Specify a speed range (A, B, C, D, E, F#) AND
a stop speed (S#) before using this command.
This command programs a decreasing shaft
speed at a rate of #RPM per second. Once
initiated, the Controller will load to locked rotor
unless instructed to do otherwise.
Ramp
PR
• Resets ramp up or down
• Sets speed to max.
speed
• Turns brake off
This command resets the ramp function, halting
the ramp's progress, and returns the motor to
free-run.
Ramp
PU#
Sets ramp up rate to #RPM
per second
Specify a speed range (A, B, C, D, E, F#) AND
a start speed (S#) before using this command.
This command increases the shaft speed at a
rate of #RPM per second.
Ramp
S#
Sets start or stop speed for
ramp to #RPM
When this command is used with the PD
(Program Down) command, the Controller will
ramp down to this speed and halt.
When this command is used with the PU
(Program Up) command, the Controller will load
immediately to this speed and ramp up to free-
run.
Setup
M1
Enables front panel controls Use this command to enable front panel control
of most functions.
Setup
M0
Locks out front panel
controls
Use this command to lock out the front panel
controls, so that the Controller settings can be
changed only by using the computer with either
the GPIB (IEEE-488) or the RS-232 interface.
Note: The brake ON/OFF switch on the front
panel still functions.