RESEARCH CONCEPTS RC3000 Bedienungsanleitung PDF herunterladen (Seite 9)

RC3000 Antenna Controller Appendix B-Mount Specific Data B-9

3.2.2.2 Stow

As part of the STOW sequence the polarization axis will be driven to the polarization CCW limit when a

linear feed is attached. If the polarization axis is not at the CCW limit, elevation movement below the

DOWN limit will not be allowed.

VF: after sensing the elevation stow limit switch, monitoring of the elevation drive current will begin.

When the elevation drive current reaches the value specified by the STW_AMP configuration item

(3.3.1.3.10), the stow operation will stop. This current monitoring is intended to allow the antenna to be

“loaded” firmly into the elevation stow pads.

VF: the stow operation will also cease if a timeout value is reached after the stow switch is sensed but

before the current limit is sensed. This timeout condition is provided as a backup to the current sensing

mechanism.

3.3.1.3.4 Azimuth Drive Monitoring

3.3.1.3.7 Elevation Drive Monitoring

The items on the Drive Monitoring screens are actually used to tune drive movements based on resolver

“counts”. The resolver counts are used in the same fashion as pulse counts are used for making precise

movements of the mount.

3.3.1.3.10 Stow & Deploy Postions (VF only)

STW_AMP: ELEV STOW CURRENT LIMIT <0.0-4.9 AMPS>

For the VF version, the amount of elevation drive current used to “preload” the antenna into its stow pads

may be specified.

This configuration replaces the EL_TIME item normally shown in this screen.

3.3.1.3.14 Auxiliary Down Region

The AUX DOWN configuration screen allows the values for aux_down_ccw, aux_down_cw and

aux_down as discussed in section 2.3.3 to be entered.

CCW:32768 CONFIG-AUX DOWN

CW:32768

DOWN: 100

AUX CCW RESOLVER COUNT <100 - 65535>

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RESEARCH CONCEPTS RC3000 Bedienungsanleitung Seite 9