
PPCK+™ Operation and Maintenance Manual
©2001 DH Instruments, Inc. Page ii
3. OPERATION ....................................................................................... 17
3.1 GENERAL/MANUAL OPERATION .........................................................................................................17
3.1.1 MAIN RUN SCREEN........................................................................................................................................17
3.1.2 GENERAL OPERATING PRINCIPLES ...........................................................................................................18
3.1.2.1 KEYPAD LAYOUT AND PROTOCOL..............................................................................................18
3.1.2.2 MANUAL PRESSURE CONTROL KEYS........................................................................................19
3.1.2.3 PRESSURE CONTROL OPERATING PRINCIPLES ......................................................................20
3.1.2.4 AUTOMATED PRESSURE CONTROL MODES.............................................................................22
3.1.2.5 PRESSURE READY /NOT READY.................................................................................................25
3.1.2.6 MULTIPLE PRESSURE RANGES...................................................................................................27
3.1.2.7 DIRECT FUNCTION KEYS SUMMARY ..........................................................................................28
3.2 DIRECT FUNCTION KEYS......................................................................................................................28
3.2.1 [RANGE]...........................................................................................................................................................28
3.2.1.1 RANGE SPECIFIC FUNCTIONS AND SETTINGS .........................................................................30
3.2.2 [UNIT]...............................................................................................................................................................31
3.2.3 [CONTROL]......................................................................................................................................................32
3.2.3.1 SYSTEM DEFAULT CONTROL PARAMETERS.............................................................................34
3.2.3.2 EXECUTING AUTOMATED PRESSURE CONTROL COMMANDS...............................................34
3.2.4 [UL] (UPPER LIMIT) ........................................................................................................................................34
3.2.4.1 OVERPRESSURE FUNCTION........................................................................................................35
3.2.5 [SEQ] SEQUENCE...........................................................................................................................................35
3.2.6 [CUSTOM CONTROL].....................................................................................................................................36
3.2.6.1 TURNING-OFF CUSTOM CONTROL PARAMETERS....................................................................37
3.2.7 [HEAD] .............................................................................................................................................................38
3.2.8 [LEAK CHECK]................................................................................................................................................39
3.2.9 [RES] (RESOLUTION).....................................................................................................................................41
3.2.10 [SET P] (SETTING PRESSURE AUTOMATICALLY)......................................................................................42
3.2.10.1 AUTOMATED PRESSURE COMMANDS FOR ZERO PRESSURE...............................................44
3.2.11 [←] AND [→] (JOG PRESSURE SET POINT) ................................................................................................45
3.3 SETUP MENU KEY .................................................................................................................................46
3.3.1 SEQUENCE......................................................................................................................................................46
3.3.2 DRIVERS..........................................................................................................................................................46
3.4 SPECIAL MENU KEY..............................................................................................................................47
3.4.1 AUTOZ..............................................................................................................................................................47
3.4.1.1 VIEW AUTOZ...................................................................................................................................50
3.4.1.2 EDIT AUTOZ....................................................................................................................................51
3.4.1.3 RUN AUTOZ....................................................................................................................................51
3.4.2 HEAD................................................................................................................................................................54
3.4.3 PresU ...............................................................................................................................................................55
3.4.4 INTERNAL........................................................................................................................................................56
3.4.4.1 CONFIG...........................................................................................................................................57
3.4.4.2 CAL..................................................................................................................................................58
3.4.4.3 REMOTE..........................................................................................................................................59
3.4.4.4 TIME.................................................................................................................................................60
3.4.4.5 RESET.............................................................................................................................................61
3.4.4.6 LEVEL..............................................................................................................................................63
3.4.4.7 ATM..................................................................................................................................................66
3.4.4.8 SCRSAV ..........................................................................................................................................67
3.4.4.9 LOG..................................................................................................................................................67
4. REMOTE OPERATION ......................................................................... 69
4.1 OVERVIEW..............................................................................................................................................69
4.2 INTERFACING.........................................................................................................................................69
4.2.1 RS232 INTERFACE .........................................................................................................................................69
4.2.1.1 COM1...............................................................................................................................................69
4.2.1.2 IEEE-488..........................................................................................................................................70
4.2.1.3 COM2...............................................................................................................................................70