EBRO ARMATUREN EP 501 C, Operating Instructions Manual

Page: 59 / 205

59
Typ EP 501
Start-Up
c
onTenTs
20.
. START-UP.SEQUENCE...................................................................................................................................................................60
20.1.
. Safety.instructions..............................................................................................................................................................60
21. . BASIC.SETTING.OF.THE.DEVICE............................................................................................................................................61
21.1. . . INPUT .-.Setting.the.input.signal.............................................................................................................................62
21.2. . . X.TUNE .–.Automatic.adjustment.of.the.positioner.....................................................................................63
21.2.1. X.TUNE.CONFIG – Manual configuration of X.TUNE ............................................65
22. . ACTIVATION.OF.THE.PROCESS.CONTROLLER...............................................................................................................66
23.
. BASIC.SETTING.OF.THE.PROCESS.CONTROLLER......................................................................................................67
23.1.
. .
P.CONTROL
–.Setting.up.and.parameterization.of.the.process.controller................................67
23.2.
. .
SETUP
.–.Setting.up.the.process.controller.....................................................................................................69
23.2.1. PV-INPUT – Specifying signal type for the process actual value ..................................69
23.2.2. PV-SCALE – Scaling of the process actual value ............................................................70
23.2.3. SP-INPUT – Type of the set-point value default (intern or extern) ................................74
23.2.4. SP-SCALE – Scaling of the process set-point value
(for external set-point value default only)....................................................................................74
23.2.5. P.CO-INIT – Smooth switchover MANUAL-AUTOMATIC ...............................................76
23.3.
. .
PID
.
PARAMETER
.–.Parameterizing.the.process.controller..............................................................77
23.3.1. Procedure for inputting the parameters ......................................................................................77
23.3.2. DBND – Insensitivity range (dead band)...............................................................................78
23.3.3. KP – Amplification factor of the process controller ..............................................................78
23.3.4. TN – Reset time of the process controller .............................................................................79
23.3.5. TV – Hold-back time of the process controller .....................................................................79
23.3.6. X0 – Operating point of the process controller ....................................................................79
23.3.7. FILTER – Filtering of the process actual value input .........................................................80
23.4. . . P.Q‘LIN .–.Linearization.of.the.process.characteristic..............................................................................................81
23.5. . . P.TUNE .–.Self-optimization.of.the.process.controller...............................................................................82
23.5.1. The mode of operation of P.TUNE .........................................................................................82
23.5.2. Preparatory measure for execution of
P.TUNE
....................................................................82
23.5.3. Starting the function P.TUNE ..................................................................................................84
Start-Up
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