Teledyne 2002 Interrogation Commands, Parameter Modification Commands, Page 25 of

When a lower case character is present in an example it represents an option.

Character	Description	Valid Inputs:
a	RS-485 Address (hexadecimal 0-9, A-F)	........................................................01 - FF
m	Most Significant Digit Of Mantissa	1 - 9
d	Decimal Digit	0 - 9
e	Exponent	0 - 5
u	Unit Of Pressure	T, M, or P
,	Command Separator (comma)	N/A
<CR>	Command Terminator (carriage return)	N/A

Interrogation Commands

Command Description	Format	Sample Response
Transmit Averaged Pressure	P<CR>	Pa: 1.23456e+0 Torr<CR>
Transmit Pirani Pressure	R<CR>	Pr: 1.98765e-3 Torr<CR>
Transmit Piezo Pressure	Z<CR>	Pz: 7.65432e+2 Torr<CR>
Transmit RS-485 Address	A<CR>	Multidrop Address: 01<CR>
Transmit Decimation Ratio	D<CR>	Decimation Ratio: 255<CR>
Transmit Selected Gas #	G<CR>		Gas#: 0<CR>
Transmit High Set point	H<CR>	Hi: 1.00000e+1 Torr<CR>
Transmit Low Set point	L<CR>	Lo: 1.00000e-2 Torr<CR>
Transmit Device Status	S<CR>		00044<CR>
Transmit Turnaround Delay	T<CR>		Comm Delay: 6<CR>
Transmit Selected Units	U<CR>		Torr<CR>
Transmit Software Version#	V<CR>	Hastings Instruments - Model 2002
	..................................................	Version 1.60 - (07-02-2002)<CR>
Parameter Modification Commands
Command Description	Format	Valid Range:
Modify High Set point	H={m.dd}E{+e}<CR>	1.00000e-9 to 9.99999e+9
Modify Low Set point	L={m.dd}E{-e}<CR>	1.00000e-9 to 9.99999e+9
Modify Selected Gas #	G={d}<CR>	0 To 4	(Decimal)
Modify Selected Units	U={u}<CR>	T, or M, ............{or P, if Available}
Modify Decimation Ratio	D={dddd}<CR>	63 To 7936	(Decimal)
Modify RS-485 Address	*{aa}A={aa}<CR>	1 To FF	(Hexadecimal)
Modify Turnaround Delay	*{aa}T={dd}<CR>	0 To 255	(Decimal)

149-072011 Model 2002 Vacuum Gauge Page 25 of 38