Research Concepts RC4000 - Manual (Page 96)

RC4000 Antenna Controller Chapter 3 Software
88
3.3.1.3.4 Azimuth Drive Parameters
--- configuring azim drive speeds, etc **********************
The items on this screen deal with the background checking performed on the azimuth drive system.
Note that in this context “slop” may be typically considered relating to mechanical hysteresis.
FAST:100 ACCEL: 50 CONFIG-AZ DRV
SLOW: 25 DECEL: 0 JAM: 1 FDB:1000
CL:100 IR: 0 RUN: 50 SDB: 500
SET JAM SLOP <0 - 1023>
FAST: FAST VOLTAGE <0-100 % MAX>
SLOW: SLOW VOLTAGE <0-100 % MAX>
***** % of max
** 24 VDC
CL:
CURRENT LIMIT <0-100 % MAX>
**** %
ACCEL:
ACCELERATION <0 - 999 MSEC>
DECEL: DECELERATION <0-100 % MAX>
**** time to ramp to full speed (any hints?)
**** decel typically 0? (braking current maybe an issue )
IR:
IR COMPENSATION <0-100 % MAX)
???????
JAM :
SET JAM SLOP <0 - 4095>
The azim_jam_pot_slop item specifies the amount of sensed movement the controller wants to see
before declaring a jam condition. See the Drive System theory section.
The entered value is in units of the resolution the RC4000’s analog to digital conversion system. This
resolution will depend on a particular mount’s range of movement, etc. See appendix B for details for a
particular mount.
The value should be set to avoid nuisance jams but allow a jam to be declared within a reasonable
amount of time to avoid damage to the system. Too high of a value will trigger false jam conditions since
the mount may sometimes not be able to move that far in the required interval. Too low of a value may
allow mechanical slop in the system to appear as valid movement thus never triggering a jam.
Setting the value to 0 will disable the jam sensing since no movement will be required to be sensed to
make the jam system think the mount has moved when it should. This may be a useful thing to do in
emergency situations to alleviate unwanted jam declarations but should only be done temporarily vs.
having an active jam sensing system.
RUN: SET RUNAWAY SLOP <0-4095>