Watlow 12LS Controller - Manual (Page 5)

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4.4 OPERATIONAL MENUS..................................................................................................4-9
4.4.1 CHANGE SETPOINT..................................................................................................4-9
4.4.2 SET LOOP TO MANUAL/AUTO.............................................................................4-10
4.4.3 ADJUSTING OUTPUT LEVELS MANUALLY ......................................................4-10
4.5 SETUP MENUS ...............................................................................................................4-11
4.5.1 SETUP GLOBAL PARAMETERS?..........................................................................4-13
4.5.2 SETUP LOOP INPUT................................................................................................4-19
4.5.3 SETUP LOOP CONTROL PARAMETERS .............................................................4-23
4.5.4 SETUP LOOP OUTPUTS..........................................................................................4-25
4.5.5 SETUP ALARMS ......................................................................................................4-28
4.5.6 MANUAL I/O TEST..................................................................................................4-32
4.6 RAMP AND SOAK OPTION ..........................................................................................4-34
4.6.1 DESCRIPTION ..........................................................................................................4-35
4.6.2 RAMP/SOAK FRONT PANEL DISPLAY ...............................................................4-37
4.6.3 PROFILE STATUS DISPLAY ..................................................................................4-38
4.6.4 PROFILE SELECTION MENU.................................................................................4-38
4.6.5 PROFILE TIME DISPLAY........................................................................................4-39
4.6.6 CYCLE COUNT DISPLAY.......................................................................................4-40
4.6.7 PROFILE OPERATION MENU................................................................................4-40
4.6.8 RESET PROFILE.......................................................................................................4-41
4.7 SETUP RAMP/SOAK PROFILE.....................................................................................4-45
4.7.1 SELECT A PROFILE FOR EDITING.......................................................................4-45
4.7.2 COPY ANOTHER PROFILE ....................................................................................4-47
4.7.3 EDIT TOLERANCE ALARM TIME ........................................................................4-47
4.7.4 EDIT READY SETPOINT.........................................................................................4-48
4.7.5 EDIT READY EVENT STATES...............................................................................4-49
4.7.6 EDIT EXTERNAL RESET........................................................................................4-50
4.7.7 EDIT SEGMENT NUMBER .....................................................................................4-50
4.7.8 EDIT SEGMENT TIME.............................................................................................4-51
4.7.9 EDIT SEGMENT SETPOINT ...................................................................................4-51
4.7.10 EDIT SEGMENT EVENTS .....................................................................................4-52
4.7.11 EDIT EVENT OUTPUT NUMBER ........................................................................4-52
4.7.12 EDIT EVENT OUTPUT STATE.............................................................................4-53
4.7.13 EDIT SEGMENT TRIGGERS.................................................................................4-54
5.0 PID CONTROL......................................................................................................................5-1
5.1 CONTROL MODES..........................................................................................................5-1
5.1.1 REVERSE-DIRECT ACTION....................................................................................5-1
5.1.2 HEAT/COOL DUAL OUTPUTS................................................................................5-1
5.1.3 CONTROL OUTPUTS ...............................................................................................5-1
5.1.4 DIGITAL OUTPUT ....................................................................................................5-1
5.1.5 DISTRIBUTED ZERO CROSSING ...........................................................................5-2
5.2 TUNING PID LOOPS .......................................................................................................5-2
5.2.1 PROPORTIONAL CONTROL: ..................................................................................5-2
5.2.2 PROPORTIONAL WITH INTEGRAL CONTROL:..................................................5-3
5.2.3 PROPORTIONAL W/ INTEGRAL W/ DERIVATIVE CONTROL: .........................5-3
5.2.4 OUTPUT DIGITAL FILTER: .....................................................................................5-3
5.2.5 PID TUNING CONSTANTS ......................................................................................5-5
5.2.6 GENERAL PID CONSTANTS BY APPLICATION ..................................................5-6