71
conTenTs
21. START-UP SEQUENCE ..................................................................................................................................................................72
22.
SAFETY INSTRUCTIONS ..............................................................................................................................................................72
23.
BASIC SETTING OF THE DEVICE ...........................................................................................................................................73
23.1.
INPUT - Setting the input signal ............................................................................................................................74
23.2.
X.TUNE – Automatic adjustment of the positioner ....................................................................................75
23.2.1. X.TUNE.CONFIG – Manual configuration of X.TUNE ............................................77
24.
ACTIVATION OF THE PROCESS CONTROLLER ..............................................................................................................78
25.
BASIC SETTING OF THE PROCESS CONTROLLER .....................................................................................................79
25.1. P.CONTROL – Setting up and parameterization of the process controller .................................79
25.2. SETUP
– Setting up the process controller .....................................................................................................81
25.2.1. PV-INPUT – Specifying signal type for the process actual value ..................................81
25.2.2. PV-SCALE – Scaling of the process actual value ............................................................82
25.2.3. SP-INPUT – Type of the set-point value default (intern or extern) ................................86
25.2.4. SP-SCALE – Scaling of the process set-point value
(for external set-point value default only)....................................................................................86
25.2.5. P.CO-INIT – Smooth switchover MANUAL-AUTOMATIC ...............................................88
25.3.
PID.PARAMETER – Parameterizing the process controller .............................................................89
25.3.1. Procedure for inputting the parameters ......................................................................................89
25.3.2. DBND – Insensitivity range (dead band)...............................................................................90
25.3.3. KP – Amplification factor of the process controller ..............................................................90
25.3.4. TN – Reset time of the process controller .............................................................................91
25.3.5. TV – Hold-back time of the process controller .....................................................................91
25.3.6. X0 – Operating point of the process controller ....................................................................91
25.3.7. FILTER – Filtering of the process actual value input .........................................................92
25.4.
P.Q‘LIN – Linearization of the process characteristic .............................................................................................93
25.5. P.TUNE
– Self-optimization of the process controller ...............................................................................94
25.5.1. The mode of operation of P.TUNE .........................................................................................94
25.5.2. Preparatory measure for execution of P.TUNE ....................................................................94
25.5.3. Starting the function P.TUNE ..................................................................................................96
Start-Up