DH Instruments PPC3 - Page 105

4. REMOTE OPERATION
Page 95 © 2002-2007 DH Instruments, a Fluke Company
HS%
Purpose Read or set the automated pressure control hold limit for as a percent of range span.
Command
Query
“HS% hold”
“HS%?”
Classic “HS%=hold“
“HS%”
Arguments hold: The hold limit in % span of the active range.
Remarks The hold limit can be read and set as a pressure or as a percent of the span.
Example
(enhanced)
Cmd sent:
Query reply:
“HS .01”
“0.0100 %” (No reply if GPIB-488)
Example
(enhanced)
Cmd sent:
Query reply:
“HS? .01”
“0.0100 %”
Example
(classic)
Sent:
Reply:
“HS=.01”
“0.0100 %”
Errors ERR# 6 The ‘hold’ argument was invalid.
See Also “HS”
3.4.6.1, 3.2.2
ID
Purpose Read or set the user defined instrument identification label.
Command
Query
“ID string”
“ID”
Classic “ID=string”
“ID”
Arguments String: An alphanumeric string up to 12 characters long.
Remarks The user defined ID label can be used to allow the user to “tag” the PPC3 with a unique identifier.
This ID is stored in non-volatile memory and cannot be erased by a power failure, system fault or
reset
Example
(enhanced)
Cmd sent:
Query reply
“ID PPCK #A01”
“PPCK #A01” (No reply if GPIB-488)
Example
(enhanced)
Cmd sent:
Query reply
“ID PPCK? #A01”
“PPCK #A01”
Example
(classic)
Sent:
Reply:
“ID=PPCK #A01”
“PPCK #A01”
Errors ERR# 6 The ‘string’ argument was longer than 12 char.
See Also 3.5.5.4
IF
Purpose Increase the pressure quickly (fast).
Command “IF n”
Classic “IF=n”
Arguments n: ‘0’ Closes the fast up valve.
‘1’ Opens the fast up valve.
Remarks Opening the fast up valve causes the pressure to increase quickly. Care must be used, as the
pressure will not stop increasing until the valve is closed, or the upper limit is exceeded.
Example
(enhanced)
Cmd sent:
Reply:
“IF 1”
“1” (no reply if IEEE-488)
Example
(enhanced)
Cmd sent:
Reply:
“IF? 1”
“1”
Example
(classic)
Sent:
Reply:
“IF=1”
“IF=1”
Errors ERR# 6: The n argument is a ‘0’ or a ‘1’.
See Also “DF”, “IS” , “DS”, “IP”, “DP”,
Figure 12