Lower Level Commands

This document describes the commands that will be sent from the Upper Level DCS to the Lower Level Components. This is not a finalized list and if the need arises for it, it will be modified accordingly. The units are AstroPy Units.

Command	Parameter	Type	Unit	Remarks
calibrateAz
closeLouvers
closeShutter
config	systemID settings	string [key, value]	unitless unitless	See the Command and Configuration Protocols document.
crawlAz	velocity	double	rad/s	Positive means in the direction of increasing azimuth, negative in the direction of decreasing azimuth.
crawlEl	velocity	double	rad/s	Positive means in the direction of increasing elevation, negative in the direction of decreasing elevation.
exitFault
fans	speed	double	unitless	0 <= position < 100%
goStationaryAz
goStationaryEl
goStationaryLouvers
goStationaryShutter
inflate	action	string	unitless	ON or OFF
moveAz	position velocity	double double	rad rad/s	0 <= position < 2π Positive means in the direction of increasing azimuth, negative in the direction of decreasing azimuth.
moveEl	position	double	rad	0 <= position < ½π
openShutter
park
resetDrivesAz	reset	[int]	unitless	An array of 0 and 1 where 0 means do not reset and 1 means reset.
resetDrivesShutter	reset	[int]	unitless	An array of 0 and 1 where 0 means do not reset and 1 means reset.
restore
searchZeroShutter
setDegradedAz
setDegradedEl
setDegradedLouvers
setDegradedMonitoring
setDegradedShutter
setDegradedthermal
setLouvers	position	[double]	unitless	An array of positions with one position for each louver given as a percentage where 0 means closed and 100 fully open.
setNormalAz
setNormalEl
setNormalLouvers
setNormalMonitoring
setNormalShutter
setNormalthermal
setTemperature	temperature	double	Celsius
statusAMCS
statusApSCS
statusCSCS
statusLCS
statusLWSCS
statusMonCS
statusRAD
statusThCS
stopAz
stopEl
stopLouvers
stopShutter