PPC2 AF OPERATION AND MAINTENANCE MANUAL
© 1998 DH Instruments, Inc. Page 70
STAT
Purpose: Read the pressure generation status.
Syntax: “STAT”
Remarks: The generation cycle status can be checked using this command. The reply is a numeric code
which references a specific generation action:
0 The system is not generating or holding a pressure.
1 A new generation is preparing to start.
2 Quick ramping to the target.
4 Quick pulsing to the target.
8 Slow ramping to the target.
16 Slow pulsing to the target.
32 Reached the target, will re-adjust as needed to stay ready.
64 Quick ramping to a vent condition.
128 Vented with the exhaust valve open.
256 Quickly decreasing the pressure to reach a hard vacuum.
Example: Command: “STAT”
Reply: “32”
See Also: “PS=“ command
TIME(=)
Purpose: Read or set the PPC2 AF time.
Syntax: “TIME=hh:mmXX”
“TIME”
Arguments:
hh:mm The time in a 12 hour format using a colon delimiter.
XX: ”am” or “pm”
Remarks: The PPC2 AF has an internal real time clock. It is used for date stamping calibrations and log
data.
Example: Command: “TIME=12:52PM”
Reply: “12:52pm”
Errors: ERR# 7: Missing or improper command argument(s).
See Also: 3.4.4.4
TP
Purpose: To read the current target pressure.
Syntax: “TP”
Remarks: The current target pressure is replied in the current pressure units.
Example: Command: “TP”
Reply: “1000.00 kPa a”
See Also: “PS=“ Command, 3.1.2.3