West-control-solutions N8800 User Manual

Process controller 8800Operating manualEnglish9499-040-70611Valid from: 8405

8800 process controller connecting example:aCAUTION: Using a Limit controller is recommendable in systemswhere overtemperature implies a fire hazard o

3 Operation3.1 Front viewLED colours:LED 1, 2, 3, 4: yellowBargraph: redother LEDs: redgIn the upper display line, theprocess value is alwaysdisplayed

3.2 Behaviour after power-onAfter supply voltage switch-on, the unit starts with the operating level.The unit is in the condition which was active bef

3.4 Error list / Mainenance managerWith one or several errors, the extended operating levelalways starts with the error list. Signalling an actual ent

OperationError list / Mainenance manager 14 8800 process controllerNameDescription Reason Possible remedial actionHCAHeating currentalarm (HCA)-Heatin

gSaved alarms (Err-LED is lit) can be acknowledged and deleted with the digitalinput di1/2/3, the è-key or the Ò-key.Configuration, see page 37: ConF

3.5 Self-tuningFor determination of optimum process parameters, self-tuning is possible.After starting by the operator, the controller makes an adapta

3.5.2 Optimization after start-up or at the set-pointThe two methods are optimization after start-up and at the set-point.As control parameters are al

The controller attempts to calculate the optimum control parameters from theprocess response. If this is done successfully, the optimized parameters a

Optimization-at-the-set-point procedure:The controller uses its instantaneous parameters for control to the set-point. Inlined out condition, the cont

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Optimization at the set-point for 3-point stepping controllerWith 3-point stepping controllers, the pulse attempt can be made with or withoutposition

3.5.4 Self-tuning startStart condition:wFor process evaluation, a stable condition is required. Therefore, thecontroller waits until the process has r

1. Press keys Ù and È simultaneously:The controller continues controlling using the old parameters in automaticmode. The Err LED continues blinking, u

3.5.7 Examples for self-tuning attempts(controller inverse, heating or heating/cooling)Start: heating power switched onHeating power Y is switched off

3.6 Manual self-tuningThe optimization aid can be used with units on which the control parameters shallbe set without self-tuning.For this, the respon

3.7 Second PID parameter setThe process characteristic is frequently affected by various factors such asprocess value, correcting variable and materia

3.8 Alarm handlingMax. three alarms can be configured and assigned to the individual outputs.Generally, outputs OuT.1... OuT.6 can be used each for al

gThe variable to be monitored can be selected seperately for each alarm viaconfigurationThe following variables can be monitored:wprocess valuewcontro

3.9 Operating structureAfter supply voltage switch-on, the controller starts with the operating levels.The controller status is as before power off.gP

4 Configuration level4.1 Configuration surveyAdjustment:wThe configuration can be adjusted by means of keys ÈÌ .wTransition to the next configuration

8800 process controller 3Contents1 Mounting ...62 Electrical connections ...72.1 Connecting diagram ...

4.2 Configuration parametersConfiguration levelConfiguration parameters 30 8800 process controllerCntrName Value range Description DefaultSP.FnBasic c

Configuration level8800 process controller 31 Configuration parametersName Value range Description DefaultrnG.L-1999...9999X0 (low limit range of cont

Configuration levelConfiguration parameters 32 8800 process controllerName Value range Description DefaultS.tYPSensor type selection10thermocouple typ

Configuration level8800 process controller 33 Configuration parametersInP.2Name Value range Description DefaultI.FncFunction selection of INP210no fun

Configuration levelConfiguration parameters 34 8800 process controllerName Value range Description DefaultS.tYPSensor type selection300thermocouple ty

Configuration level8800 process controller 35 Configuration parametersLimName Value range Description DefaultFnc.1Function of limit 110switched off1me

Configuration levelConfiguration parameters 36 8800 process controllerName Value range Description DefaultSrc.2Source of limit 200process value1contro

Configuration level8800 process controller 37 Configuration parametersName Value range Description DefaultSrc.3Source of limit 300process value1contro

Configuration levelConfiguration parameters 38 8800 process controllerName Value range Description DefaultY.2Controller output Y200not active1activeLi

Configuration level8800 process controller 39 Configuration parametersOut.3Name Value range Description DefaultO.tYPSignal type selection OUT300relay

4 8800 process controller4.5 Configuration examples ...534.5.1 On-Off controller / Signaller (inverse) ...534.5.2 2-p

Configuration levelConfiguration parameters 40 8800 process controllerName Value range Description DefaultFAi.1INP1 error (only visible when O.TYP=0)1

Configuration level8800 process controller 41 Configuration parametersName Value range Description DefaultY.1Controller output Y1 (only visible when O

Configuration levelConfiguration parameters 42 8800 process controllerName Value range Description DefaultO.SrcSignal source of the analog output OUT4

Configuration level8800 process controller 43 Configuration parametersName Value range Description DefaultSP.ESwitching to external setpoint SP.E00no

Configuration levelConfiguration parameters 44 8800 process controllerName Value range Description DefaultErr.rReset of all error list entries00no fun

Configuration level8800 process controller 45 Configuration parametersName Value range Description DefaultPrtYData parity on the interface (only visib

Configuration levelConfiguration parameters 46 8800 process controllerName Value range Description DefaultIAdaBlock auto tuning (only visible with 880

gResetting the controller configuration to factory setting (Default)r chapter 11.1 (page 82)+8800/8840 configurator - the engineering tool for the Wes

4.3 Set-point processingThe set-point processing structure is shown in the following picture:4.3.1 Set-point gradient / rampTo prevent set-point step

4.4 Switching behaviuorWith 8800 process controller, configuration parameter CYCL (ConF/ Cntr/CYCL) can be used for matching the cycle time of 2-point

1 MountingSafety switch:For access to the safety switch, the controller must be withdrawn from thehousing. Squeeze the top and bottom of the front bez

Parameters to be adjusted: E.H2O: minimum temperature for water cooling( PArA / Cntr) t.on: pulse duration water coolingt.off: minimum pause water coo

4.4.4 Heating and cooling with constant period ( CyCl= 3 )1 and t2 are met in the overalloutput range . To preventunreasonably short pulses, parameter

4.5 Configuration examples4.5.1 On-Off controller / Signaller (inverse)ConF / Cntr: SP.Fn = 0set-point controllerC.Fnc = 0signaller with one outputC.A

4.5.2 2-point controller (inverse)ConF / Cntr: SP.Fn = 0 set-point controllerC.Fnc = 1 2-point controller (PID)C.Act = 0 inverse action(e.g. heating a

4.5.3 3-point controller (relay & relay)ConF / Cntr: SP.Fn = 0 set-point controllerC.Fnc = 3 3-point controller (2xPID)C.Act = 0 action inverse(e.

4.5.4 3-point stepping controller (relay & relay)ConF / Cntr: SP.Fn = 0 set-point controllerC.Fnc = 4 3-point stepping controllerC.Act = 0 inverse

4.5.5 Continuous controller (inverse)ConF / Cntr: SP.Fn = 0 set-point controllerC.Fnc = 1 continuous controller (PID)C.Act = 0 inverse action(e.g. hea

4.5.6∆ - Y - Off controller / 2-point controller with pre-contactConF / Cntr: SP.Fn = 0 set-point controllerC.Fnc = 2 ∆ -Y-Off controllerC.Act = 0 inv

4.5.7 8800 process controller with measured value outputConF / Out.3 / 4: O.tYP = 1 Out.3/ 4 0...20mA continuous= 2 Out.3/ 4 4...20mA continuous= 3 Ou

4.5.8 Continuous controller with integrated positioner ( Cntr/ C.Fnc = 6 )This is basically a cascade. A tracking controller with three-point stepping

2 Electrical connections2.1 Connecting diagramgDependent of order, the controller is fitted with :wflat-pin terminals 1 x 6,3mm or 2 x 2,8mm to DIN 46

5 Parameter setting level5.1 Parameter surveyAdjustment:wThe parameters can be adjusted by means of keys ÈÌwTransition to the next parameter is by pre

5.2 Parameters1 Valid for ConF/ othr/ dP = 0. With dP = 1 / 2 / 3 also 0,1 / 0,01 /0,001 is possible.Parameter setting level8800 process controller 61

1 Valid for ConF/ othr/ dP = 0. With dP = 1 / 2 / 3 also 0,1 / 0,01 /0,001 is possible.Parameter setting levelParameters 62 8800 process controllerPAr

gResetting the controller configuration to factory setting (Default)r chapter 11.1 (page 82)Parameter setting level8800 process controller 63 Paramete

5.3 Input scalingWhen using current, voltage or resistance signals as input variables for InP.1,InP.2 or/and InP.3 scaling of input and display values

6 Calibration levelMeasured value correction ( CAL) is only visible if ConF / InP.1 / Corr = 1or 2 is chosen.The measured value can be matched in the

Offset correction ( ConF/ InP.1 / Corr =1 ):InL.1: The input value of the scaling point is displayed.The operator must wait, until the process is at r

2-point correction ( ConF/ InP.1 / Corr = 2):InL.1: The input value of the lower scaling point is displayed.The operator must adjust the lower input v

7 Special functions7.1 DAC®– motor actuator monitoring(Digital Actor Control DAC®)With all controllers with position feedback Yp, the motor actuator c

Functioning of the DAC functionNo input filter should be defined for the Yp input ( PArA / InP.x/t.Fx=0).Therewith no wrong detection of blocking or w

2.2 Terminal connectionPower supply connection 1See chapter 10 "Technical data"Connection of outputs OUT1/2 2Relay outputs (250V/2A), potent

7.2 O2measurementThis function is available only on the instrument version with INP3.As the O2-measurement result range can extend over many decades,

7.2.2 Configuration:Oxygen measurementOxygen measurement with heated lambda probeController r Process value processing r 7: O2functions with constant

7.3 LinearizationLinearization for inputs INP1 or INP3Access to table “ Lin” is always with selection of sensor type S.TYP = 18:special thermocouple i

7.4 8800 process controller as Modbus masteraThis function is only selectable with 8800/8840 configurator (engineering tool)!The 8800 process controll

8 8800/8840 configurator8800/8840 configurator is the projection environment for thecontroller series ofWest. The following 3 versions with graded fun

9 VersionsAccessories delivered with the unitOperating manual (if selected by the ordering code)w2 fixing clampswoperating note in 12 languagesAccesso

10 Technical dataINPUTSPROCESS VALUE INPUT INP1Resolution: > 14 bitsDecimal point: 0 to 3 digits behind thedecimal pointDig. input filter: adjustab

CONTROL INPUTS DI2, DI3 (OPTION)The digital input di2 located on the A-card anddi2 located on the option card are or-linked.Configurable as switch or

POWER SUPPLYDependent of order:AC SUPPLYVoltage: 90...260 V ACFrequency: 48...62 HzPower consumption approx. 7,0 VAUNIVERSAL SUPPLY 24 V UCAC voltage:

CertificationsUL-approvalElectrical connectionswflat-pin terminals 1 x 6,3mm or 2 x 2,8mm toDIN 46 244 orwscrew terminals for 0,5 to 2,5mm²MountingPan

Connection of inputs di2/3 8 (option)Digital inputs (24VDC external), galvanically isolated, configurable as switch orpush-buttonConnection of output

Technical data80 8800 process controllerThermoelementtype Measuring range AccuracyResolution (Ô)L Fe-CuNi (DIN) -100...900°C -148...1652°Fß 2K0,1 KJ F

11 Safety hintsThis unit was built and tested in compliance with VDE 0411-1 / EN 61010-1 andwas delivered in safe condition.The unit complies with Eur

MAINTENANCE, REPAIR AND MODIFICATIONThe units do not need particular maintenance.aWarningWhen opening the units, or when removing covers or components

12 NotesNotes8800 process controller 83

Notes84 8800 process controller

Notes8800 process controller 85

Index0-92-point correction...67AAlarm handling ...28-29BBargraph ...12Bus interfaceTechnical Data...81CCalibration

OO2-Messung ...72Offset correction ...67Optimierung am Sollwert ...20Output OUT1Configuration ...39Technical data ...

Subject to alterations without noticeWest InstrumentsThe Hyde Business ParkBrightonBN2 4JUUKPrinted in Germany 9499-040-70611 (08/2003)A6

* Interface description Modbus RTU in speperate manual: see page 75.Electrical connections8800 process controller 9 Terminal connection123K+-+-13V22mA