PPC2 AF OPERATION AND MAINTENANCE MANUAL
© 1998 DH Instruments, Inc. Page 68
REMOTE
Purpose: Lock out the front panel controls.
Syntax: “REMOTE”
Remarks: The PPC2 AF goes into remote whenever communications take place. The user can return to
local operation by pressing the ESC key. The REMOTE command locks out the front panel
completely. The only way to unlock the front panel is by using the LOCAL command, or by
powering the PPC2 AF off.
Example: Command: “REMOTE”
Reply: “REMOTE”
See Also: “LOCAL” command
RES(=)
Purpose: To read or set the pressure display resolution for the current transducer and range.
Syntax: “RES”
“RES=n”
“RES=0.001 %FS”
Arguments:
n: The pressure display resolution in %FS of the current range (0.0001 to 1
%FS).
Remarks: The pressure display resolution is defined as %FS of the selected transducer range. The setting
is separate for each range, and will change as the range is changed.
Example: Command: “RES=.01”
Reply: “0.01 %FS”
Errors: ERR# 6 The argument is invalid.
See Also: 3.3.2
RESET
Purpose: Reset the user’s settings to factory defaults.
Syntax: “RESET”
Remarks: The PPC2 AF has user settings (units, resolution, control modes, etc.) that can be reset to
factory defaults. Calibrations and sequences will not be affected. The remote “RESET”
command corresponds to the local “Reset-all.” (See Section 3.4.5.2) The PPC2 AF also will
restart as if the power was cycled OFF and then ON. The reset cycle takes about 10 seconds to
complete. During this period, remote communications cannot take place.
Example: Command: “RESET”
Reply: “RESET”
See Also: 3.4.4.5.2
RETURN
Purpose: Start a new generation using the current target pressure.
Syntax: “RETURN”
Remarks: The “RETURN” command will start a new pressure generation using the current settings and
target pressure. Generation will continue until a new target pressure is set, the PPC2 AF goes
into LOCAL mode, or an “ABORT” command is executed.
Example: Command: “RETURN”
Reply: “1000.00 kPa a”
Errors: ERR# 6 The current target pressure is invalid.
See Also: “PS=“, “TP” commands
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