Kipp&Zonen 2AP Sun Tracker - Manual (Page 92)

REFERENCE INFORMATION
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MX
Starts monitoring the direction for which was maximal. Returns MX.
MX
Retrieves the direction for which was maximal since the most recent MX
command. Returns MX . The
are defined in the Analogue command. is in volts.
QStatus
Retrieves the current number of path segments in the path for each motor. Returns QS 0> . The counts are in hexadecimal and in the range 0 to FF.
SL
Retrieves the next sun observation from the circular queue. Returns SL size>
where:
• gives the average intensity of the sun over the observing period.
• is the number of degrees between where the sun was detected
and where the instrument calculated the sun would be.
• indicates the direction of the error (in degrees). 0° means the sun was
found at a larger azimuth value and 90° means the sun was found at a
smaller zenith value.
• is the approximate position of motors 0 and 1 at the time of observation.
• identifies when the observing period ended.
SL
Repositions the location in the circular queue from which the next logged sun observation will be
drawn. Returns SL. There are two alternatives for . 0 positions to the oldest entry in the
circular queue and 1 positions to after the newest entry in the circular queue.
WHere
Retrieves the end of path information for the specified motor. Returns WH
. Where is the number of seconds from when the WH command is
received until all queued path segments have been completed, and and
are the position and velocity of the motor after all path segments are completed.
WPosition (Watermark Position)
Retrieves the watermark position of all motors. Returns WP .
The watermark position is the most recent position of the motor in which the reference sensor was
not activated. The reported position includes any adjustment.