DH Instruments PPC2+, Manual

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PPC2+™ Operation and Maintenance Manual
©2001 DH Instruments, Inc.
Page 108
SR
Purpose Read the next available ready/not ready status.
Query “SR?”
Classic “SR”
Remarks The current ready status can be read using this program message. If the reply is
“NR”, then the pressure is Not Ready within the limits defined by the control mode
and current control parameters. If the reply is “R” then the pressure meets the ready
criteria. The status is replied when the next pressure measurement is finished.
Example
(enhanced)
Query sent:
Query reply:
“SR?”
“NR”
Example
(classic)
Sent:
Reply:
“SR”
“NR”
See Also Sections 3.1.2.4, 3.2.3, “PR”, “PRR”, “HS”, “SS” Commands
SS%
Purpose Read or set the current stability limit.
Command
Query
“SS% n”
“SS%?”
Classic “SS%=
n”
“SS%”
Arguments
n:
The stability limit in %FS of the current active range.
Remarks The stability limit can be read and set as a percent of the full scale range of the RPT.
If this program message is used to set the stability limit, the PPC2+ will then use
CUSTOM control settings.
Example
(enhanced)
Cmd sent:
Query reply:
“SS% .1”
“0.10 %”
Example
(classic)
Sent:
Reply:
“SS%=.1”
“0.10 %”
Errors ERR# 6 The argument was invalid.
See Also Sections 3.1.2.3, 3.1.2.4, 3.2.3, 3.2.6, “SS”
SS
Purpose Read or set the current stability limit.
Command
Query
“SS n”
“SS?”
Classic “SS= n”
“SS”
Arguments n: The stability limit in the current pressure units.
Remarks The stability limit can be read and set as a pressure. If this program message is
used to set the stability limit, the PPC2+ will then use CUSTOM control settings.
Example
(enhanced)
Cmd sent:
Query reply:
“SS .1”
“0.10 kPa/s”
Example
(classic)
Sent:
Reply:
“SS=.1”
“0.10 kPa/s”
Errors ERR# 6 The argument was invalid.
See Also “Sections 3.1.2.3, 3.1.2.4, 3.2.3, 3.2.6, SS%”