DH Instruments PPC4, Operation And Maintenance Manual

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6. REMOTE OPERATION
Page 167 © 2009 DH Instruments, a Fluke Company
SCRSAV
Purpose Read or set the front panel display screen saver activation time & type.
Command
Query
“SCRSAV n,t ”
“SCRSAV?”
Classic “SCRSAV= n, t ”
“SCRSAV”
Arguments n:
t:
The inactivity period. (minutes) after which screen saver activates.
Optional screen saver type (GUI only):
‘0’ Moving pressure screen saver
‘1’ DHI screen saver
Default “SCRSAV 10, 0”
Remarks The PPC4 front panel will dim basic display or switch the GUI to a screen saver pattern after
a period of keyboard and remote inactivity. Setting this value to ‘0’ disables this feature.
Example
(enhanced)
Cmd sent:
Query reply:
“SCRSAV 30, 1”
“30, 1” (No reply if IEEE-488)
Example
(enhanced)
Cmd sent:
Query reply:
“SCRSAV? 30”
“30, 0”
Example
(classic)
Sent:
Reply:
“SCRSAV=30, 0”
“30, 0”
Errors ERR# 6 The argument was invalid.
See Also 3.2.26.1
SN
Purpose To read the serial number of the PPC4.
Query “SN?”
Classic “SN”
Remarks The PPC4 is serialized. The serial number can be read using this program message.
Example
(enhanced)
Query sent:
Query reply:
“SN?”
“321”
Example
(classic)
Sent:
Reply:
“SN”
“321”
See Also 3.2.27.1
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.
Possible replies:
“NR” The pressure is Not Ready within the limits defined by the control mode and current
control parameters.
“R ” The pressure meets the ready criteria. The status is replied when the next pressure
measurement is finished.
“OL” The pressure of one of the active Q-RPTs has exceeded the user defined upper or l
ower limits.
“OP” The pressure of one of the Q-RPTs has exceeded the Q-RPT’s maximum limits.
“ER” An internal device failure has occurred.
Example
(enhanced)
Query sent:
Query reply:
“SR?”
“NR”
Example
(classic)
Sent:
Reply:
“SR”
“NR”
See Also “PR”, “PRR”, “HS”, “SS”, “UL”, “LL” Commands
3.2.3, 3.2.21, 3.2.21.1