DH Instruments PPC2 AF - Page 75

4. REMOTE OPERATION
Page 69 © 1998 DH Instruments, Inc.
SAVECAL
Purpose: To save changes made to the PPC2 AF calibration.
Syntax: “SAVECAL”
Remarks: The PPC2 AF calibration can be changed using the “PCAL” command. After the necessary
calibration changes have been made, the “SAVECAL” command should be used to save these
changes to non-volatile memory.
Example: Command: “SAVECAL”
Reply: “SAVECAL”
See Also:
“PCALd,r(=)“ Command
SN
Purpose: To read the serial number of the PPC2 AF.
Syntax: “SN”
Remarks: The PPC2 AF is serialized. The serial number can be read using this command.
Example: Command: “SN”
Reply: “SN”
See Also: None.
SR
Purpose: Read the next available ready status.
Syntax: “SR”
Remarks: The current ready status can be read using this command. If the reply is "NR", then the
pressure is Not Ready within the limits defined by the control mode and current hold and stability
settings. If the reply is "R" then the pressure meets the ready criteria. The status is replied
when the next pressure measurement is finished.
Example: Command: “SR”
Reply: “NR”
See Also: “PR”, “PRR”,“HS”, “SS” Commands, 3.1.2.4
SS(%)(=)
Purpose: Read or set the current stability limit.
Syntax: “SS”
“SS%”
“SS=n”
“SS%=p”
Arguments:
n: The stability limit in the current pressure units.
p: The stability limit in %FS of the current active range.
Remarks: The stability limit can be read and set as a pressure or as a percent of the range. If this
command is used to set the stability limit, the PPC2 AF will then use CUSTOM control settings.
Example: Command: “SS=.1”
Reply: “0.10 kPa/s”
Errors: ERR# 6 The argument was invalid.
See Also: 3.1.2.3, 3.1.2.4, 3.2.3, 3.2.6