27-m Antenna Commands

JWL 2015-10-14

27-M ANTENNA COMMAND LIST
Command	Syntax	Arguments Value(s) Units	Description	Hardware controlled
FRM-HOME	frm-home	antenna ant14|ant15	Homes the x-axis (receiver select), and Position angle axis.	Geo Brick LV (PMAC)
FRM-RX-SEL	frm-rx-sel	receiver no. Lo|Hi antenna ant14|ant15	Move x- and z-axes to select receiver. 1: low-frequency receiver, 2 : high-frequency receiver.	Geo Brick LV (PMAC)
FRM-SET-PA	frm-set-pa	position angle -90 to 90 degrees antenna ant14|ant15	Set the position angle for polarization. Pointing to the south, the angle is 0˚	Geo Brick LV (PMAC)
FRM-X-OFFSET	frm-x-offset	x-axis offset mm antenna ant14|ant15	Offset in x relative to the selected receiver. In effect until a new value is set, or the Geo Brick is reset.	Geo Brick LV (PMAC)
FRM-Z-OFFSET	frm-z-offset	z-axis offset mm antenna ant14|ant15	Offset in z relative to the selected receiver. In effect until a new value is set, or the Geo Brick is reset.	Geo Brick LV (PMAC)
FRM-ABS-X	frm-abs-x	x-axis position mm antenna ant14|ant15	Set to an absolute x position. Not use	Geo Brick LV (PMAC)
FRM-ABS-Z	frm-abs-z	z-axis position mm antenna ant14|ant15	Set to an absolute z position. Not use	Geo Brick LV (PMAC)
FRM-KILL	frm-kill	antenna ant14|ant15	Kill all motors. They will be unpowered	Geo Brick LV (PMAC)
FRM-ENABLE	frm-enable	antenna ant14|ant15	Enable all motors after a kill	Geo Brick LV (PMAC)
OUTLET	outlet	outlet no. 1 to 8 new state on|off antenna ant14|ant15	Turns the selected outlet on or off	Ethernet power strip
ND-ON	nd-on	antenna ant14|ant15	Turns noise diode on via power strip	Ethernet power strip
ND-OFF	nd-off	antenna ant14|ant15	Turns noise diode off via power strip	Ethernet power strip
RX-SELECT	rx-select	receiver no. Lo|Hi antenna ant14|ant15	Moves the requested receiver to focus and sets RF switch appropriately	Geo Brick LV, Ethernet power strip
LNA-GATE1	lna-gate1	amplifier LV|LH|HV|HH first gate voltage -2.0 to 2.0 V antenna ant14|ant15	Sets the first gate bias on the selected amplifier to the requested voltage. Will only operate if that amplifier is enabled	Beaglebone
LNA-GATE2	lna-gate2	amplifier LV|LH|HV|HH first gate voltage -2.0 to 2.0 V antenna ant14|ant15	Sets the second gate bias on the selected amplifier to the requested voltage. Will only operate if that amplifier is enabled	Beaglebone
LNA-DRAIN	lna-drain	amplifier LV|LH|HV|HH drain voltage 0 to 2.0 V antenna ant14|ant15	Sets the drain bias on the selected amplifier to the requested voltage. Will only operate if that amplifier is enabled	Beaglebone
LNA-ENABLE	lna-bias	amplifier LV|LH|HV|HH amplifier enabled state on|off antenna ant14|ant15	Turn the requested amplifier on or off	Beaglebone

Notes:

1. The antenna number, <ant>, is required only for the ACC command. The front-end computer should ignore it.
2. All numbers are floats
3. The frontend will echo the command (but not the arguments)
4. Everything is case-insensitive

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