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75
c
onTenTs
21..
START-UP.SEQUENCE...................................................................................................................................................................76
22..
SAFETY.INSTRUCTIONS...............................................................................................................................................................76
23..
BASIC.SETTING.OF.THE.DEVICE............................................................................................................................................77
23.1.. .
INPUT.-.Setting.the.input.signal.............................................................................................................................78
23.2.. .
X.TUNE.–.Automatic.adjustment.of.the.position.controller...................................................................79
23.2.1. X.TUNE.CONFIG – Manual configuration of X.TUNE ............................................81
24..
ACTIVATION.OF.THE.PROCESS.CONTROLLER...............................................................................................................82
25..
BASIC.SETTING.OF.THE.PROCESS.CONTROLLER......................................................................................................83
25.1. P.CONTROL –.Setting.up.and.parameterization.of.the.process.controller..................................83
25.2. SETUP.–.Setting.up.the.process.controller......................................................................................................85
25.2.1. PV-INPUT – Specifying signal type for the process actual value ..................................85
25.2.2. PV-SCALE – Scaling of the process actual value ............................................................86
25.2.3. SP-INPUT – Type of the set-point value default (internal or external) ..........................90
25.2.4. SP-SCALE – Scaling of the process set-point value
(for external set-point value default only)....................................................................................90
25.2.5. P.CO-INIT – Smooth switchover MANUAL-AUTOMATIC ...............................................92
25.3.. .
PID.PARAMETER.–.Parameterizing.the.process.controller..............................................................93
25.3.1. Procedure for inputting the parameters ......................................................................................93
25.3.2. DBND – Insensitivity range (dead band)...............................................................................94
25.3.3. KP – Amplification factor of the process controller ..............................................................94
25.3.4. TN – Reset time of the process controller .............................................................................95
25.3.5. TV – Hold-back time of the process controller .....................................................................95
25.3.6. X0 – Operating point of the process controller ....................................................................95
25.3.7. FILTER – Filtering of the process actual value input .........................................................96
25.4.. .
P.Q‘LIN.–.Linearization.of.the.process.characteristic..............................................................................................97
25.5. P.TUNE.–.Self-optimization.of.the.process.controller................................................................................98
25.5.1. The mode of operation of P.TUNE .........................................................................................98
25.5.2. Preparatory measure for execution of P.TUNE ....................................................................98
25.5.3. Starting the function P.TUNE ............................................................................................... 100
Start-Up
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Type 8792, 8793
