DH Instruments PPCK PLUS, Operation And Maintenance Manual

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PPCK+™ Operation and Maintenance Manual
©2001 DH Instruments, Inc .
Page 100
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 PPCK+ 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 3.1.2.5, 3.1.2.4, 3.2.3, 3.2.6, “SS%”
STAT
Purpose Read the pressure generation status.
Query “STAT?”
Classic “STAT”
Remarks
The generation cycle status can be checked using this program message. The reply
is a numeric code which references a specific generation action: Multiple codes are
returned by logically ORinging them together.
0 The system is not generating or holding a pressure.
2 A new generation has been requested.
4 The generation is preparing to begin.
8 Valve is adjusting close to it’s opening position.
16 Valve is seeking it’s exact opening position.
256 Valve is being used to reach the target.
512 Volume determination routine is running
1024 Valve is being used for a fixed rate generation.
2048 Thermal reset is running.
4096 Thermal control is active.
64536 Generation abort has been requested.
Example
(enhanced) Query sent:
Query reply: “STAT?”
“32”
Example
(classic) Sent:
Reply: “STAT”
“32”
See Also 3.1.2.3, “PS“