DH Instruments PPCK PLUS, Operation And Maintenance Manual

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PPCK+™ Operation and Maintenance Manual
Page 85
©2001 DH Instruments, Inc .
HS%
Purpose Read or set the hold limit for automated pressure control in percent of range
full scale.
Command
Query “HS% n ”
“HS%?”
Classic “HS%= n
“HS%”
Arguments N: The hold limit in % FS of the current active range.
Remarks The hold limit can be read and set as a pressure or as a percent of the range.
Example
(enhanced) Cmd sent:
Query reply: “HS .01”
“0.0100 %”
Example
(classic) Sent:
Reply: “HS=.01”
“0.0100 %”
Errors ERR# 6: The ‘n’ argument was invalid.
See Also 3.1.2.3, 3.1.2.4, 3.1.2.5, 3.2.3, 3.2.6, “HS”
IF
Purpose Increase the pressure at the fast rate.
Command “IF n ”
Classic “IF= n ”
Arguments N ‘0’ Stops the pressure increase.
‘1’ Starts the pressure increase.
Remarks PPCK+ will set and maintain the fast increase pressure rate. Care must be used, as
the pressure will not stop increasing until “IF=0” or “ABORT” is sent, or the upper limit
is passed.
Example
(enhanced) Cmd sent:
Reply: “IF 1”
“1” (no reply if IEEE-488)
Example
(classic) Sent:
Reply: “IF=1”
“IF=1”
Errors ERR# 6: The n argument is a ‘0’ or a ‘1’.
See Also 3.1.2.2, “ABORT”, “DF”, “DS”, “DF”, “UL”, “RATES”, “RS”
IP
Purpose Increase the pressure a given amount.
Command “IP n ”
Classic “IP= n ”
Arguments N The increase in pressure desired (current pressure units).
Remarks PPCK+ will increase the pressure by the specified amount and stop.
Example
(enhanced) Cmd sent:
Reply: “IP 2”
“2.000 kPa”(no reply if IEEE-488)
Example
(classic) Sent:
Reply: “IP=2”
“2.000 kPa”
Errors ERR# 6: The n argument is not within given limits.
See Also “DP”