SX27 Series Process Controller
Contents
1. Setpoint ramp up UF F 0 1 999 9 Setpoint ramp down OF F 0 1 999 9 Setpoint low limit 4 Operations Setpoint high limit SP L high range Start up Setpoint if option installed aP txeak A Start up hold time if option installed 0 500 min Output high limit during Start up if option installed 5 0 100 0 AL2 hysteresis 0 1 10 0 of span 1 SP ll IJU A AL2 latching and blocking functions coe PT Lk E h bloc Lkbl AL3 hysteresis 0 1 10 0 of span 1 AL3 latching and blocking functions nonk Lich blo L E bi LBA delay see page 31 DF F sensor break fs 799 s LBA Filter time constant 1 30s or OFF 2 Z IZ C Ot lt z 8B ce a D C D Soft start output value 4 Operations Password entry only if E oct value lt 5000 see pages 35 37 Direct access to the configuration pages 35 37 Input shift 60 60 digits Error dead band PID algorithm only OF F 0 1 10 0 digits Communication address if option installed OFF 1 247 PID algorithm and a fad 0F r CF F 0 1 100 0 Soft start activation time p wi DF different than F 1 9999 s Output safety value 0 100 0 100 0 heat cool 100 02. m E Degree Centigrade 4 3 3 KEYPAD LOCK To lock unlock the keypad press the keys and simulta neously for 2 seconds To confirm the keypad lock unlock the display flashes once operator mode 4 3 4 OUTPUTS LOCK The outputs are switched to the OFF status by pressing the keys and WW together When the outputs are locked the message DFF is displayed instead of the Setpoint value To unlock the outputs press again the keys simultaneously the Soft start will be enabled for 2 seconds The keypad lock unlock can be achieved by serial communications too A The keypad lock is main tained in case of power failure The outputs lock unlock can be achieved by serial communica tions too A The outputs lock unlock is maintained in case of power failure 4 Operations 4 3 5 AUTO MAN 4 17 Operator J VIF mode al UE g E IW S o Clete Select Man Owl crc to switch to manual mode CLE D i g i Select crc to switch to automatic CANE mode o g on e Press to confirm Back to operator mode e The led shows the manual mode status e When manual mode is active the Setpoint display shows the output value that can be mod ified by Ay 4 Operations 4 4 PARAMETERISATION Parameter Parameter value mnemonic Values modification Pra
3. Setpoint programmer
4. J Start up oln a function the CAID parameter Oo Ss m Timer Start up operating mode must be set to Three parameters are associated to the Start up function they appear on the second group see page 27 Start u ali F Ld p Setpoint GP L SE H Start u k d I i p hold time 0 500 min Output high limit 5 0 100 0 min The Start up function includes three phases 1st Limy The control output is limited to the DFH S 2nd Hold The process variable is maintained to the Start up Setpoint for the time fixed by the parameter k h s Li 3 Off When the time is elapsed the process variable is maintained to the working Setpoint Whether the process variable for any reason e g load change decreases at a value lower than 40 digits the Start up function starts again from the Limy phase When the Start up is in Hold phase if the local Setpoint becomes lower than the Start up Setpoint or if the operating mode changes to man ual the Start up function passes to the Off phase There are two possibilities A Start up Setpoint 5F 51 lower than the local Setpoint The Hold phase starts when the process variable PV achieves the SFSU with a tolerance of 1 digit B Start up Setpoint SP50 greater than or equal to the local Setpoint When the process variable PV achieves the local Setpo
5. OL Oi Parameter value Values modification Configuration Enter key for menu access selection and value setting confirmation Press A or SVX to display the next parameter or the next code and change its value The new value entered is stored into the controller when the next para meter is selected by pressing 2 Pressing the the next group of parameters is displayed 35 m a e E m E TIE mia T ai a Operator mode C 5 m eS dii Control output selection CLU only if installed g rank Not used T FIL Heat TILL E Cool M CT primary high range Z T Z only if installed o 10 200A r j Password 2 LIIE 0 9999 o 2 3 7 di default from factory Auto Man selection see page 24 Timer run stop if option installed Comm s protocol only if communication is installed Abrus 5 Jb e Baude rate mm is installed T Analogue control output range only if installed O 2074 20 ma 4 Operations CONFIGURATION MENU gt F F 1 5 Password entry only if C ct value 25000 Code entry l lJ J from 5000 to 9999 g s Must be equal to the value of the parameter NO YES pe Were Digital input JL function Ss only if installed ol see table 2 LAO Timer Start up 2 U 0 0 operating mode eS only if installed se
6. for Back to the 2nd parameter group 4 Operations 4 5 PARAMETERS FIRST GROUP The controller parameters have been organised in group accord ing to their functionality area 2 a AL2 alarm a ee Fe threshold oa 2 AL3 alarm OJ threshold The alarm occurrences handle the OP1 OP2 and OP3 outputs in dif ferent ways according to the con figured types of alarms as illustrated With double action control out put AL2 and AL3 share in or mode the same output the free one see table on page 13 Sensor break or input disconnection Sensor Visualisation i RE ET Absolute alarm Active high Active low High range Alarm threshold Low range Deviation alarm SP On Active high Active low low range high range Alarm threshold Band alarm SP OnActive out Active in Full scale Full scale Alarm threshold Proportional band This parameter specifies the pro portional band coefficient that mul tiplies the error SP PV Integral time l It is the integral time value that specifies the time required by the integral term to generate an output equivalent to the proportional term When F F the integral term is not included in the control algorithm Derivative rin It is the time required by the proportional term P to repeat the output provided by the derivative term D When
7. of the full scale SECOND GROUP Z 1 Stand by Ln E Setpoint Used by Timer function too Z1 Setpoint Ii i ramp up EI I Setpoint Ll tI ramp down This parameter specifies the max imum rate of change of the Setpoint in digit min When the parameter is UF F this function is disabled alarm hysteresis alarm hysteresis Hysteresis of the threshold of both the alarms that activate OP1 and OP2 control output It is specified as a of the full scale Z m f J L m f Setpoint L UV high limit Low high limit of the Setpoint value Setpoint low limit 2a l Lm SA m 1 ZI l and blocking O i AH functions For each alarm it is possible to select the following functions cone none L t ch latching z blocking both latching and blocking AL2 AL3 latching Ltch ALARM ACKNOWLEDGE FUNCTION The alarm once occurred is pre sented on the display until to the time of acknowledge The acknowledge operation con sists in pressing any key After this operation the alarm leaves the alarm state only when the alarm condition is no longer present START UP DISABLING e ea I E Ramp down ASP Disable SP On Off Start up Ramp up SP ASP On Off ASP Threshold SP range 4 Operations ALARMS WITH LBA LOOP BREAK ALARM AND SENSOR BREAK OPERATION Select the code 1 on N or O config
8. Engineering units 8 Custom input and range 1 9 1 For instance other thermocouples types AT with 2 PT 100 custom linearisation etc Control OP2 OP3 alarm AL2 on OP1 Control mode Output configuration 2 L PID Control OP1 alarm AL2 on OP2 0 Control OP2 alarm AL2 on OP1 1 On Off Control OP1 alarm AL2 on OP2 2 Control OP2 alarm AL2 on OP1 3 Heat Cool Control OP1 OP3 alarm AL2 on OP2 6 Control OP1 OP2 alarm AL2 on OP3 7 action 8 9 PI D valve drive Control OP1 OP3 alarm AL2 on OP2 2 Each control output can be replaced by the OP4 analogue output The replaced output is not more available see page 34 Control action type M Reverse single action Linear Cool Heat Cool double action 9 Direct single action On Off Cool Heat Cool double action 4 If when the controller is powered up for the first time the display shows the following message Or ers D h ee Fooi L DOI A KA it means that the controller has not been configured yet The controller remain in stand by until the configuration code is set correctly see chapter 4 6 page 35 3 Product coding Alarm 2 type and function N Not active 0 Sensor break alarm Loop Break Alarm 1 Absolute ane high 2 active low 3 Deviation achive high 4 a
9. 0 0 PID output PID output 33 ANALOGUE CONTROL OUTPUT OP4 When configured the analogue control output excludes the corresponding time propor tioning control output auto matically see page 8 e g if code L 0 and ckdh L the OP1 is not yet available manya an uocu Teu TOE Control output selection Not used Uh Heat single action ful Cool Analogue control output range PRES OOo With analogue control output tc Jorke L are not present 4 Operations CURRENT TRANSFORMER INPUT With CT option it is possible to dis play the load current and set an alarm threshold It is possible to set AL2 or AL3 index 8 and 9 to have an alarm when during the ON time of the time proportional output the load current is less then the specified threshold or during the OFF time there is at least 3 of full scale load current The alarm condition must be longer than 120 ms to set the alarm During the OFF time the parame tert ur latches the last on time current value Example CT input on OP1 alarm on AL2 dur ing on time configuration digit N 8 120 ms AL2 OFF oN OFF onj OFF 4 Operations 4 6 CONFIGURATION The configuration of the controller is specified through a 4 digit code that defines the type of input of control output and of the alarms sect 3 2 page 18 Parameter mnemonic SP arco Sx27 Sree 2 SI iJi or Z
10. 2 alarm threshold 1 am CJ ee pages 35 37 see page 29 moe Code entry IIIT IJ 5000 9999 oO S Must be equal to the value of the parameter MT HCI CHIE Control output high limit Motor travel time Cool relative gain Valve drive PID heat cool configuration only PID algorithm only algorithm only 0 1 10 0 10 0 100 0 15 600 s Cool control output Cool output hysteresis Minimum output step Valve drive PID On Off control only high limit algorithm only 0 1 10 0 range heat cool PID configuration 1 1 6 0 only 10 0 100 0 Dead band heat cool configuration only 10 0 10 0 Control output hysteresis On Off control only 0 1 10 0 of span Cool cycle time heat cool with cool time propotional PID only 1 200 8 Back to the 1st parameter group 2nd GROUP Tuning run stop PID algorithm only Continuous Tuning start adaptive tuning PID algorithm only Prk Calculated Proportional band 2 display only available when adaptive tuning is selected Calculated Integral Time 2 display only available when adaptive tuning is selected Calculated derivative time 2 display only available when adaptive tuning is selected if option installed 1 9999 s or min
11. 3231365 1 Spl rax areca ee SX27 Series Process Controller z z c Us Installation and Maintenance Instructions amp C Spirax arco SX27 Introduction EE m I T Installation cl le Electrical Connections Ww IE a Operations N la J adla Dieplays Commands Setpoint Programmer Technical Specifications Printed in the UK spira Copyright 2008 Hia Pra arco Bue Information CE NOTES ON ELECTRIC SAFETY AND ELECTROMAGNETIC COMPATIBILITY Please read carefully these instructions before proceeding with the installation of the controller Class II instrument real panel mounting This controller has been designed with compliance to Regulations on electrical apparatus appliance systems and installa tions according to the European Community directive 73 23 EEC amend ed by the European Comunity directive 93 68 EEC and the Regulations on the essential protection requirements in electrical apparatus EN61010 1 93 A2 95 Regulations on Electromagnetic Compatibility according to the European Community directive n089 336 EEC amended by the European Community directive n 92 31 EEC 93 68 EEC 98 13 EEC and the following regulations Regulations on RF emissions EN61000 6 3 2001 residential environments EN61000 6 4 2001 industrial environments Regulation on RF immunity EN61000 6 2 2001 industrial equipment and system It is important to understand that it s responsib
12. A 7509 or 15Vdc max mA OP4 ol Load ap 2 3 8 SERIAL COMMUNICATIONS option IN ce e Galvanic isolation 500Vac 1 min e Compliance to the EIA RS485 standard for Modbus Jbus A Please read the user Manual Serial communication and configuration software 3 Product coding 3 PRODUCT CODING The complete code is shown on the instrument label The informa tions about product coding are accessible from the front panel by mean of a particular procedure described at section 4 2 2 page 21 Instrument Label spira P Varco SX27 PROCESS CONTROLLER Output Linear mA Valve Motor Drive Input RTD TC Linear mA Mains Supply 100 240 Vac 50 60Hz 3W Made in Italy Date code Serial N LISTED IND CON EQ c US 23FA Basic product code hardware D O GO O Configuration code software Mc M N 3 1 MODEL CODE 3 Product coding The product code indicates the specific hardware configuration of the instrument that can be modified by specialized engineers only Basic a OT KEYI L Lmin Accessories Configur Power supply A 100 240Vac 15 10 3 24Vac 25 12 or 24Vdc 15 25 5 OP1 OP3 Outputs E Relay Relay 1 Serial Communications _ Options Special functions E None 0 0 Not fitted 0 Valve drive c
13. A oF Ampere A Bar ber PSI PSI Rh ch pH Fh For inputs from thermocouple or resistance thermometer the choice is between C and F only Table 2 Digital input functions HEE ee Li ot COs Not used Keypad lock Auto Man Fhe Stand by Setpoint Spo p Timer launch GE ei JELE Notes 1 Minimum Range 100 digits 2 To avoid free parameter access insert 5000 9999 37 5 Automatic tuning 5 AUTOMATIC TUNING Two tuning methods are provided e Initial one shoot Fuzzy tuning e Continuous self learning Adaptive Tuning The Fuzzy Tuning allows the calcu lation of the optimal P 1 D terms para meters monitoring the response of the process to disturbances The controller provides 2 types of one shot tuning algorithm that are selected automatically accord ing to the process condition when the operation is started Step response This type is selected when at the start of the autotune operation the PV is far from the Setpoint of more than 5 of the span This method has the big advantage of fast calculation with a reasonable accuracy in the term calculation Natural frequency This type is selected when the PV is close to the SP Setpoint This method has the advantage of 38 a better accuracy in the term cal culation with a reasonable speed calculation The Fuzzy Tuning determines automatically the best method to use to calculate the P I D term
14. C 584 compensation con NTC Input drift Rj gt 10MQ Error 1 C 20 C 0 5 C lt 2uV C Env Temp C F selectable Burnout lt 5yV 10Q Wire Res 4 20mA 0 20mA Engineering units DC input current with external shunt 2 50 Conf decimal point position Input drift Rj gt 10MQ Int Sc 999 9999 TO on Env T l 10 50mV 0 50mV Full Sc 999 9999 S 0e y Env emp DC input voltage Rj gt 10M2 min range of 100 digits Features at 25 C environmental temp CT auxiliary input option Digital input option Operating mode and Outputs Control mode 7 Technical specification Description 50 or 100 mA input hardware selectable Current visualisation 10 200A With 1A resolution and HeaterBreak Alarm Current transformer see page 12 The closure of the external contact produces any of the following actions Auto Man mode change Stored Setpoint activation Keypad lock Timer launch One single or Control output AL2 alarm AL3 alarm one double Single action OP1 Relay OP2 Relay logic _ OP3 Relay action or OP2 Logic Relay OP1 Relay OP3 Relay valve drive Double OP1 Relay OP3 Relay OP2 Relay logic PID loop or action OP1 Relay OP2 Logic Relay OP3 Relay On Off with 1 Heat cool OP2 Logic Relay OP3 Relay OP1 Relay or 2 alarms Valve drive OP1 Relay OP3 Relay OP2 Relay Logic Algorithm PID with overshoot contr
15. GF F the derivative term is not included in the control algorithm l c Control output cycle time Cycle time cool It s the cycle time of the logic con trol output The P I D time propor tional control output is provided through the pulse width modula tion of the digital waveform Overshoot control Automatically disabled when the adaptive tuning is running This parameter specifies the span of 4 Operations action of the overshoot control Setting lower values 0 99 gt 0 01 the overshoot generated by a Setpoint change is reduced The overshoot control doesn t affect the effective ness of the PI D algorithm Setting 1 the overshoot control is disabled Heat Cool dead band This parameter specifies the width of the deadband between the Cool and the Heat channel Motor travel time It provides the time required to the motor positioner to go from the 0 position to 100 Minimum output step It specifies the minimum allowed time of activation of the output to a motor positioner that produces a sensible effect It is related to the deadband of the positioner Control output high limit Cool output high limit It specifies the maximum value the control output can be set 30 o gt I l Control output C td hysteresis _ i 7 Cool output WI l l J hysteresis Hysteresis of the threshold SP On Off hy Control or alarm output hysteresis span set in
16. I Time C Im Output JJI Safety Value Output Value in case of input anomaly _ I _ Controller CH address the address range is from 1 to 247 and must be unique for each con troller on the communication bus to the supervisor When set to IF F the controller is not communicating HEAT COOL CONTROL By a sole PI D control algorithm the controller handles two differ ent outputs one of these performs the Heat action the other one the Cool action It is possible to overlap the out puts The dead band parameter lkn is the zone where it is possible to separate or overlap the Heat and Cool actions The Cool action can be adjusted using the relative cool gain para meter To limit the Heat and Cool outputs the parameters FH Jand DEHE can be used When there is an overlap the dis played output _ Ui Wit shows the algebric sum of the Heat and Cool outputs A Heat Cool actions separated Insert positive dhr value 0 10 T T 100 50 PID output B Heat Cool actions overlapped Insert negative Jhrg value 10 0 100 100 4 Operations C_ Cool action adjusting Example with different relative cool gains 2 0 10 100 0 5 rd 0 1 10 0 Lh 100 100 50 0 PID output D On Off Cool action Cool 0 0 output Off T 100 50 0 100 5
17. ON LOGIC CONTROL OUTPUT ae relay Load ab ee no YY _ 4p Relay output e SPST Relay N O 2A 250Vac for resistive load fuse 2AT Logic output not isolated e 0 5Vdc 20 30 mA max 14 2 3 5 C DOUBLE ACTION RELAY RELAY CONTROL OUTPUT IN ce Coil of the Varistor for Coil of the heat load inductive load cool load contactor 24Vac only contactor 2 3 5 D DOUBLE ACTION RELAY LOGIC CONTROL OUTPUT IN ce Static op relay cool ng oF y Coil of the Varistor for g m heat load inductive load contactor 24Vac only 2 3 5 E DOUBLE ACTION LOGIC RELAY CONTROL OUTPUT IN ce Static Heat relay nA op2 VW Varistor for a inductive load contactor 24Vac only 23 5 F VALVE DRIVE RELAY RELAY CONTROL OUTPUT FNC 2 3 6 ALARMS OUTPUTS ANC lt A The outputs OP1 OP2 and OP3 can be used as alarm outputs only if they are not configured as con trol outputs 3 p 5 pen AY Tap ovas T O Close y 14 WA P OP3 13 gt Valve drive P 1 D without potentiometer open close stop Coil of the load alarm contactor Coil of the load alarm contactor Coil of the cool load contactor Varistor for inductive load 24Vac only 2 Electrical connections 2 3 7 OP4 ANALOGUE CONTROL OUTPUT option IN ce e Galvanic isolation 500Vac 1 min e 0 4 20m
18. OVING 1 Prepare panel cut out 1 Fit the mounting clamps 1 Insert the screwdriver in the clips 2 Check front panel gasket posi 2 Push the mounting clamps of the clamps tion towards the panel surface to 2 Rotate the screwdriver 3 Insert the instrument through secure the instrument the cut out 1 1 5 4 INSTRUMENT UNPLUGGING VNC e 1 Push and 2 pull to remove the instrument UL note Electrostatic discharges can dam 1 For Use on a Flat Surface age the instrument of a Type 2 and Type 3 Before removing the instrument the raintight Enclosure Operator must T discharge himself 1MQ to ground Z 2 Electrical connections 2 ELECTRICAL CONNECTIONS M outeat on OP1 A ors Y Output on OP4 mA UL note 1 Use 60 70 C copper Cu conductors only 2 Wire size 1 mm 18 AWG Solid Stranded 00 2 1 TERMINAL BLOCK 1 Nc e Rear terminal cover an 5 7 mm 5 0 22 in A Wire size 1 mm 2 Terminals a 18 M3 screw terminals Pin connector Za A 1 4 mm CE Option terminals 0 055 in max Fork shape a torque o DC AMP 165004 5 5 mm 0 21 in E Phillips screw a driver PH1 Stripped wire e Flat blade screw L L 5 5 mm 0 21 in driver 0 8 x 4 mm PRECAUTIONS Nco Despite the fact that the instrument has been designed to work in an harsh and noisy environmental leve
19. Special functions F Control action with stand by Setpoint during the counting time The time counting starts when the timer is launched and the control action use the Stand by Setpoint At the end the control action use the working Setpoint Timer launch Process variable PV Output OP 7 Technical specification TECHNICAL SPECIFICATIONS Features Description at 25 C environmental temp Total configurability see par 3 2 page 18 par 4 6 page 35 PV Input see page11 12 and page 18 From keypad or serial communication the user selects the associated functions and the corresponding outputs the type of input the type of control algorithm the type and functionality of the alarms A D converter with resolution of 50000 points Update measurement time 0 2 seconds the type of output and the safe conditions the values of all the control parameters ae Sampling time 0 5 seconds Input bias 60 60 digit Input filter with enable disable 1 30 seconds Accuracy 0 25 1 digits for temperature sensors Between 100 240Vac 0 1 1 digits for mV and mA the error is minimal i cekinlete Pt100Q at 0 C 2 or 3 wires connection Wire Res 206 mak atlas IEC 751 Burnout with any combi 3 wires for AT R1 R2 C F selectable nation Sensitivity 0 35 C 10 E must be lt 320Q T lt 0 35 C 10Q Wire Res L J 7 K S Internal cold junction Line 150Q max Thermocouple IE
20. according the process conditions Step response End of the tuning operating and setting of the new calculated i terms i Start of autotune i a operation Control output Natural frequency tuning start PV variable End of the tuning Setpoint change Se PV variable operating and setting of the new calculated terms Control output n mia iE a Operator E IIE mode a ae g J Sd mS io press until l v CA E Jt Lil To start I OR CUO select oO ji l Bere i en oe Jt l To stop I a CUO select oS SkoP The green led MAN blinking goes on when the Fuzzy Tuning is in progress At the end of this opera tion the calculated PI D terms para meter are stored and used by the control algorithm and the controller goes back to the operator mode The green led becomes off The self learning Adaptive Tuning is not intrusive It doesn t affect the process at all during the phase of calculation of the optimal terms parameters Continuous Adaptive Tuning Perturbation New parameters It is particularly suitable for con trolling process whose control characteristics change with time or are not linear in relation to the Setpoint values It does not require any operation by the user It is simple and works fine it samples continuously the process response to the various perturba tions determining the frequency and the amplitude o
21. c state is ON correspond ing to the contact closed e The input is inactive when the logic state is OFF correspond ing to the contact open NPN IL 4 C1 open collector 9 H x Mk lt Isolated TTL Com contact open collector 2 3 5 OP1 OP2 OP3 OUTPUTS The functionality associated to each of the OP1 OP2 and OP3 input is defined during the configuration of the instrument index L see page 18 The suggested combinations are Control outputs 1 Alarms AL2 AL3 A OP2 R OP3 B OP1 OP3 c Double OP1 OP3 OP2 R action Heat Cool 2 D Double OP1 OP2 L OP3 action Heat Cool 2 E Double OP2 L OP3 OP1 action Heat Cool 2 F Valve OP1 OP3 OP2 R drive Open Close 2 OP1 OP3 Relay output OP2 L Logic output OP2 R Relay output Notes 1 Except for valve drive each control output can be replaced by the OP4 analogue output The replaced output is no more available 2 With heat cool control and with valve drive control AL2 and AL3 share in or mode the same output the free one 2 Electrical connections Nc e OP2 output can be Relay Std or logic The jumper on the auxiliary board selects the output type Link Pins 1 2 for OP2 Relay Link Pins 2 3 for OP2 Logic 2 Electrical connections 2 3 5 A SINGLE ACTION RELAY CONTROL OUTPUT Coil of the heat load Varistor for contactor inductive load 24Vac only 2 3 5 B SINGLE ACTI
22. ctive low 5 Band acuve out 6 active in 7 Heater break active during ON output state 8 by CT 8 active during OFF output state 9 Alarm 3 type and function o Disabled or used by Timer o Sensor break alarm Loop Break Alarm 1 Absolute ANG high 2 active low 9 Deviation aoe high a active low 5 Band aciiv out 6 active in T Heater break active during ON output state 8 by CT 3 active during OFF output state 9 For alarm 3 type and function see page 34 Note 3 Only with CT options 4 Operations 4 OPERATIONS 4 1 A KEYS FUNCTIONS AND DISPLAY IN OPERATOR MODE When the measured When the measured PV control input value is greater than value is less than the in engineering sensor high range sensor low range Operating units siatele Setpoint At the power Output status OP1 output ON on the target EDs OP2 output ON a 8x27 _ Setpoint value red OP3 output ON a Th ME is displayed Start up Timer for 3 seconds running green Stand by Setpoint enabled green steady Be JVI own TIE a A reami J o tI Fuzzy Tuning running green blinking Enter key for selection and Manual value setting operating mode confirmation Setpoint green steady setting 4 1 B KEYS FUNCTIONS AND DISPLAY IN PROGRAMMING MODE SX27 Parameter value C _l Z m O J dJ m E Parameter mnemonic T U Ent
23. e page 40 and table 1 page 42 fi Timer Action only if tfc not equal oS 7 to HFF orto1 see table 2 page 42 2 THIZ 2 Ae ol a 2 _ D 1st GROUP ay A Engineering units J JIZ see table 1 No of decimals ZZ ZIZI linear scale only 0 3 Low range 1 linear scale only 999 9999 High range 1 linear scale only 999 9999 a m LITT 2nd GROUP T Z ol l Direct access to the configuration Entry of digits I L M N of the configuration code chapter 3 2 page 18 and 19 ELL 290 e m ue oS Ba AL3 configuration code see table O page 19 Password entry only if E oc value lt 5000 Code entry E from 0 to 4999 3 J default from factory The entered password must correspond to the one store inthe ai parameter YES NO A Direct access to the configuration A From parameterisation see page 28 B At the first power on when the controller is not configured poagn P Er ar gm ro E Lice a oS In this situation the controller has its outputs and inputs not active This situation ends when a correct configuration code is entered 4 Operations Table 1 Supported Engineering Units Centigrade degrees ar Fahrenheit degrees oe nessuna cook mV ol Volt Lt m
24. er key for selection and A value setting Aocess tothe confirmation menu for configuration parameter setting Values modification 4 2 DISPLAY During the operation the para meters values cannot be modi fied by the user 4 2 1 OF THE PROCESS VARIABLES a 001 Operator mode J 0 Al ate tim CFO os Engineering units 1 meg m ia E F m l ee Local Setpoint manual a i n a IZ Zt OP1 m a g output auto 2 III ke amp Note 1 See table page 37 2 This display is not presented if the instrument has been con figured as an On Off controller 3 Value in Ampere Only with CT option see page 34 4 Only with Timer option selected see page 42 Load current 3 remaining time 4 4 Operations 4 2 2 OF THE CONFIGURATION CODES a PLE E aE VEET E E S VLD Coy A m m E t S 2008 ig zl I ane 5 lt D amm C JE y m Looe So neve Wr aS lt D Operator mode Engineering units 1 Basic product code see page 17 Configuration code see page 18 Software release 4 Operations 4 3 PARAMETER SETTING 4 3 1 NUMERIC ENTRY i e the modification of the Setpoint value from 275 0 to 240 0 Press A or SZ momentarily to change the value of 1 unit every push Continued pressing of Ay or S changes t
25. f the signals On the basis of this data and their statistical values stored in the instrument it modifies automatically the PI D term parameters It is the ideal for all applications where it is required to change con tinuously the P I D terms parame ters in order to adjust the P 1 D to the changes of the process dynamic conditions In case of power off with the Adaptive Tuning enabled the values of the P I D terms para meters are lost At the power on the Adaptive Tuning starts auto matically and computes again the values of the P I D terms parameters m iia E TLE al pile ip EELE S wo Zi C Jl tl I Zl CW aS O g ey a Jl l I E i TICE 5 O oc 8B 5 Automatic tuning Operator mode press until press To start select To stop select 6 Special functions ml SPECIAL FUNCTIONS Two special functions are available 6 1 Start up 6 2 Timer In order to have the above func tions the product code digit E must be 2 see page 17 To select these functions use the parameter A Selecting Timer or Start up the Soft start function is disabled therefore the parameters and SEEN will not be shown see page 27 Timer Start up operator mode see page 36 6 1 START UP FUNCTION By means of this function it is pos sible to manipulate the control output when the controller is switched on l To configure
26. he value at rate that dou bles every second Releasing the but ton the rate of change decreases In any case the change of the value stops when it has reached the max min limit set for the parameter In case of Setpoint modification press A or once to display the local Setpoint instead of work ing Setpoint To evidence this change the dis play flashes once Then the Setpoint can be modified TPL E m L J I a A mia i l m td a PLD IZ Lyi hh m iia E mi a mE e A aS Sj jane iz Increase VLD ir ae ILI VL S5 E 2 E after 2 s ra O Oo Operator mode working Setpoint displayed Local Setpoint display Setpoint modification Setpoint entry The operation is acknowledged by one flash of the display 4 Operations 4 3 2 MNEMONIC CODES SETTING e g configuration see page 35 Press the A or SX to display the next or previous mnemonic for the selected parameter Continued pressing of Ay or will display further mnemonics at a rate of one mnemonic every 0 5 s The mnemonic displayed at the time the next parameter is selected is the one stored in the parameter Zh IZ Degree ma C Engineering i Fahrenheit L Units ji Jiz Degree Centigrade E i ZI Ha Degree Fahrenheit f no units TOUTE defined JO JIE a S i
27. ility of the installer to ensure the compliance of the regulations on safety requirements and EMC The device has no user serviceable parts and requires special equipment and specialised engineers Therefore a repair can be hardly carried on directly by the user For this purpose the manufacturer provides techni cal assistance and the repair service for its Customers Please contact your nearest Agent for further information All the information and warnings about safety and electromagnetic compatibility are marked with the sign at the side of the note Table of contents TABLE OF CONTENTS P INSTALLATION 4 ELECTRICAL CONNECTIONS 8 EME Propuct copina 16 VM Operations 20 AUTOMATIC TUNING 38 FN SPECIAL FUNCTIONS 40 TECHNICAL SPECIFICATIONS 46 Resources Main universal input Be Eo ee ee Pv DN cad He E ae S Auxiliary input option AUX Digital input option Bung T Setpoint Special functions Fuzzy tuning with automatic selection Continuous tuning STAND A One shot E One shot E Adaptive ue Auto tuning Natural Frequency E i option IL connected functions A Modbus RS485 it Parameterisation Except for valve drive each control output can be ao replaced by the OP4 analogue output 2 1 Installation im INSTALLATION Installation must only be carried out by qualified personnel Before proceeding with the instal lation of this controller follow the instruc
28. int with a tol erance of 1 digit the Start up function passes directly to the Off phase If at the controller power on the process variable PV is greater than the lowest between the ESL Jand the working Setpoint the next phase Hold or Off will be executed instead of the Limy phase papz puring the IZ U Limy and Lam Hold phas NZ lI es the led QL is on Start up Setpoint 6 Special functions A l5r SU lt local Setpoint SP power on a MASS 3 Setpoint SP PV mE n piriti P 0PH5 with TC 25 Hl 14sec min fe Limy ion Hold ei Oi ie Limy jp Hold ek Off BISESL lt local Setpoint SP power on SFSU i noise i f Setpoint SP OP 0PH5 con TC 25 1sec min 3 Off 6 Special functions 6 2 TIMER FUNCTION To use AL3 in addition to this func tion set the parameter E onc AL3 configuration code is setto _ L AN The Timer can t be enabled with Heat Cool control The two following parameters see page 36 must be set to select one of the six possible types of Timer Timer Start up operating mode By this parameter can be defined the counting start time the control output status at the end of the counting Table 1 Timer counting mode Counting start ti
29. itch on the power supply only after that all the electrical connec tions have been completed 3 In accordance with the safety reg ulations the power supply switch shall bring the identification of the relevant instrument The power supply switch shall be easily acces sible from the operator 4 The instrument is is PTC protect ed In case of failure it is suggest ed to return the instrument to the manufacturer for repair 5 To protect the instrument internal circuits use 2AT fuse for 220Vac relay outputs 4 AT fuse for 110vac relay outputs 6 Relay contacts are already pro tected with varistors Only in case of 24 Vac inductive loads use model A51 065 30D7 varistors on request 2 3 1 POWER SUPPLY Switching power supply with mul tiple isolation and internal PTC e Standard version nominal voltage 100 240Vac 15 10 Frequency 50 60Hz e Low Voltage version Nominal voltage 24Vac 25 4 12 Frequency 50 60Hz or 24Vdc 15 25 e Power consumption 1 6W max Included PTC L Supply 0 2 3 2 PV CONTROL INPUT A ForL J K S T thermocouple type e Connect the wires with the polarity as shown Use always compensation cable of the correct type for the ther mocouple used The shield if present must be connected to a proper earth B For Pt100 resistance thermometer e f a3 wires system is used use always cables of the same diam eter 1mm min line 20 Q lead maximum resis
30. l IV of the industrial standard IEC 801 4 it is recommended to follow the following suggestions All the wiring must comply with the local regulations The supply wiring should be rout ed away from the power cables Avoid to use electromagnetic con tactors power Relays and high power motors nearby Avoid power units nearby espe cially if controlled in phase angle Keep the low level sensor input wires away from the power lines and the output cables If this is not achievable use shield ed cables on the sensor input with the shield connected to earth 2 Electrical connections 2 2 SUGGESTED WIRE ROUTING Conduit for supply and output cables Conduit for low level sensor cables 1 GS L 7 2 n 4 10 5 eS 6 G12 A Supply B Outputs C Analog inputs D Analogue ED coc ED Output Serial Comm s E Digital input output O 2 Electrical connections 2 3 EXAMPLE OF WIRING DIAGRAM HEAT COOL CONTROL Power supply Power supply 3 switch Cooling yy y E Supervision Retransmission HY RS485 RX TX op4 4 20mA Heating 10 Nice Notes 1 Make sure that the power supply voltage is the same indicated on the instrument 2 Sw
31. me End mode When inside the Control mode band Output to 0 E When launched Control mode _ Output to 0 5 When launched Control disabled CO t e mode amp When launched F stand by S int Control mode 42 Action By this parameter can be defined the time units the starting mode the OP3 status when the timer is running When the timer is not running the OP3 takes the opposite status Table 2 Starting 1 OP3 Time units Value mode status Manual by Off go Seconds Keypad Oh i Auto at the Off power on 2 On J Manual by Off 4 A keypad On 5 Minutes TAutoatthe Of E power on 2 On 1 1 If used by Timer 2 Using this selection manual starting mode is possible too After the Timer configuration the following parameters will be shown on the second parameters group see page 26 1 Timer setting 1 9999 s min Z Z Z Stand by LJ i Setpoint Lr A only for tft 7 GF L H 6 2 1 DISPLAY cer ts OSU S5 0O S O When the Timer is running the led is on n e A co Ed oso When the Timer ends the Setpoint display shows alternatively the mes sage End and the Setpoint value until a key is pressed When the timer is running it is always possible to see the remain ing time and to modify it Operator mode and Timer r
32. meter Modification menu selection selection enter The parameter setting procedure has a timeout If no keys are pressed for at least 30 seconds the controller switches back auto matically to the operator mode After having selected the parame ter or the code press Ay and W W to display or modify the value see page 22 The value is entered when the next parameter is selected by pressing the key Pressing the C3 key the next group of parameters is presented on the display 25 ne E m Z ev CI Z Operator mode J Note 1 It is not presented if the con troller has been configured with alarm n 2 not active or of sens or break type Digit N M of the configuration see page 29 Proportional band P D algorithm only 0 5 999 9 of span Integral time Get algorithm only UF F 0 1 100 0 min code is assigned to 0 or 1 2 These values are not auto matically stored on the P I D menu parameters Fb t 1 Eud AL3 alarm threshold 1 Timer run stop if option installed Derivative time PLD algorithm only 0 5 999 9 of span Cycle time Time proportioning only 1 200s Overshoot control PLD algorithm only T 0 01 1 00 4 Operations PARAMETER MENU Password entry em MIE I onyit Cod value 1st GROUP l COJ gt 5000 AL
33. ol or On Off PID withvalve drive algorithm for motorised actuators control Proportional band P 0 5 999 9 Integral time I 0 1 100 0 min Derivative time D 0 01 10 00 min OFF 0 PID algorithm Error band 0 1 0 10 digit Cycle time 1 200s Dead band 10 0 10 0 Heat iooi Cool relative gain 0 1 10 0 control action Cool cycle time 1 200s Overshoot control 0 01 1 00 PID algorithm High limit 100 0 10 0 heat 100 0 10 0 cool Hysteresis 0 1 10 0 On Off algorithm Motor travel time 15 600s Valve drive PID algorithm without Motor minimum step 0 1 5 0 position potentiometer 47 7 Technical specification Features D ipti at 25 C environmental temp EocHpuSN OP1 output SPST Relay N O 2A 250Vac 4A 120Vac for resistive load OP2 output Logic not isolated 5Vdc 10 30mA max Jumper selectable Protection by varistor p SPST Relay N O 2A 250Vac 4A 120Vac for resistive load _ page 13 for 220Vac and capacitor OP3 output SPST Relay N O 2A 250Vac 4A 120Vac for resistive load Galvanic isolation 500 Vac 1 min a Ee control Resolution 12bit 0 025 In current 0 4 20MA 7509 15V max output option Accuracy 0 1 Hysteresis 0 1 10 0 c s Active high Deviation threshold __ range Action type Band threshold 0 range Ale ALS alarms Action Active low Absolute threshold whole range Sensor break heater break alarm Latching Blocking Lo
34. ontrol output 0 1 Start up Timer 2 Current transformer input CT 013 Not fitted Transmitter Power Supply PS 0 6 Transmitter PS Cont control output 0 7 Transmitter PS CT 0 8 Transmitter PS Cont control CT 0 9 None 5 0 RS485 Valve drive control output 5 1 Modbus Jbus protocol Transmitter Power Supply 5 6 Transmitter PS CT 5 8 None 9 0 Valve drive control output 9 1 Digital input CT 9 3 Analogue control output 9 7 Analogue control output CT 9 9 3 Product coding 3 2 CONFIGURATION CODING The configuration code consists of 4 digits that identify the operat ing characteristic of the controller as chosen by the user Section 4 6 at page 35 reports the instructions how to set a new con figuration code pran amm 2 _ JIJI Ps oe Lore cS o o The configuration code can be dis played on the front panel follow ing the instructions at page 21 sec tion 4 2 2 Input type and range O TR Pt100 IEC751 99 9 300 0 C 99 9 572 0 F O TR Pt100 IEC751 200 600 C 328 1112 F 1 TC L Fe Const DIN43710 0 600 C 32 1112 F 2 TC J Fe Cu45 Ni IEC584 0 600 C 32 1012 3F 3 TC T Cu CuNi 200 400 C 328 752 F 4 TC K Chromel Alumel IEC584 0 1200 C 32 2192 F 5 TC S Pt10 Rh Pt IEC584 0 1600 C 32 2912 F 6 DC input 0 50 mY linear Engineering units 7 DC input 10 50 mV linear
35. op Break Alarm Local and stand by digital input or serial communications Setpoint Ramp up and down User inhibited 0 1 999 9 digit min dell Low limit from low range to high limit High limit from low limit to high range Fuzzy Tuning The controller selects automatically the Step response Tni best method according to the process conditions Natural frequency unin Adaptive Tuning self learning not intrusive analysis of the process response to perturbations and continuously calculation of the P I D parameters Auto Man station Standard with bumpless function by keypad digital input or serial communications Serial comm option RS485 isolated Modbus Jbus protocol 1200 2400 4800 9600 bit s two wires Auxiliary Supply 18Vdc 20 30mA max for external transmitter supply 48 Features at 25 C environmental temp Operational safety General characteristics Description Measure input 7 Technical specification Detection of out of range short circuit or sensor break with automatic activation of the safety strategies and alerts on display Control output Safety value 100 100 Parameters Parameter and configuration data are stored in a non volatile memory for an unlimited time Access protection Password to access the configuration and parameters data keypad lock output lock 100 240Vac 15 10 50 60 Hz or Power supply 24Vac 25 12 50 60 Hz and Powe
36. r consumption 1 6W max PTC protected oAVde 5 125 P Safety Compliance to EN61010 1 IEC 1010 1 installation class 2 2 5kV pollution class 2 instrument class II Electromagnetic compatibility Compliance to the CE standards see page 2 Protection EN60529 EC 529 IP65 front panel UL and cUL approval File 176452 Dimensions 1 16 DIN 48 x 48 depth 120 mm weight 130 g approx Warranty EE WARRANTY We warrant that the products will be free from defects in material and workmanship for 3 years from the date of delivery The warranty above shall not apply for any failure caused by the use of the product not in line with the instructions report ed on this manual ICONS TABLE Icons table Main universal input Digital input Digital input connected functions Thermocouple Isolated contact EAN Auto Manual Pti00 RTD Pt100 NPN open collector ju Run Hold Reset and Eal program selection Delta Temp 2x RTD TTL open collector gt mA and mV Setpoint Setpoint slopes inhibition Frequency Local Output Auxiliary input Keypad lock H Current transformer Outputs lock mA Remote setpoint Or Start up function aM Volt Remote setpoint b iss Timer function iim Feedback ssal potentiometer Way Memorized SSR Drive
37. tance e When using a2 wires system use always cables of the same diam eter 1 5mm min and put a jumper between terminals 5 and 6 C For AT 2x RTD Pt100 Special When the distance between the controller and the sensor is 15 m using a cable of 1 5 mm diameter produces an error on the measure of 1 C 1 F R1 R2 must be lt 320Q 2 Electrical connections ce Wire resistance 150Q max is bal Og For 3 wires only Maximum LL resistance line 20Q qe fe Lox oy Use wires of the at same length and R1 ck 1 5 mm size Y B Maximum resis R2 tance line 20Q Lon 2 Electrical connections 2 3 2 PV CONTROL INPUT A D For mA mV D1 With 2 wires transducer 4 20MA kA Transducer Transducer external shunt 2 5Q 1 Auxiliary power supply for external transmitter 18Vdc 20 30mA max without short circuit protection 12 2 3 3 AUXILIARY INPUT option Nice For current transformer CT Not isolated For the measure of the load cur rent see page 34 e Primary coil 10A 100A e Secondary coil 50mA default 100mA jumper selectable 5 watt burden resistor 0 5Q for 1A secondary transformer coil 0 1Q for 5A secondary transformer coil CT load 7H 10 100A Jumper for 100 mA secondary transformer coil 2 3 4 DIGITAL INPUT option page 37 e The input is active when the logi
38. ting starts only when the error is inside a 1 digit band The con trol action is not affected by the Timer function Timer launch Setpoin Process variable PV Output OP B Counting start time inside the band end with control output forced to zero The time counting starts only when the error is inside a 1 digit band At the end the control output is forced to zero 1 Timer launch C Counting start time timer launch time end in control mode The time counting starts when the timer is launched The control action is not affected by the Timer function Timer launch ETT ene EA p Process variable PV Output OP 1 When the Timer is not running the con trol output is forced to zero also before the Timer launch Setpoint i Process variable PV Output OP D Counting start time timer launch time end with control output forced to zero The time counting starts when the timer is launched At the end the control output is forced to zero 1 Timer launch Process variable PV Output OP E No control action during the counting time The time counting starts when the timer is launched and the control output is forced to zero At the end the control action starts Timer launch Process variable PV 1 When the Timer is not running the con trol output is forced to zero also before the Timer launch 6
39. tions illustrated in this man ual and particularly the installation precautions marked with the symbol related to the European Community directive on electrical protection and electromagnetic compatibility To prevent hands or metal touch ing parts that may be electrically live the controllers must be installed in an enclosure and or in a cubicle A 1 1 GENERAL DESCRIPTION IP 20 Terminal block EN61010 1 IEC1010 1 Product code label Mounting clamps Panel surface Sealing front panel gasket Front panel IP65 protection EN 650529 IEC 529 1 Installation 1 2 DIMENSIONAL DETAILS 1 3 PANEL CUT OUT 48 mm 65 mm min 1 89 in 2 56 in min i i pS E es Eo 99 Eg On E Lo th z 45 0 6 mm 1 78 0 023 in 120 mm 4 72 in ln 1 Installation 1 4 ENVIRONMENTAL RATINGS A Operating conditions a Altitude up to 2000 m fc Temperature 0 50 C Rh Relative humidity 5 95 non condensing Special conditions Suggestions a Altitude gt 2000 m Use 24Vac supply version Fc Temperature gt 50 C Use forced air ventilation Warm up Rh Humidity gt 95 Conducting atmosphere Use filter Forbidden Conditions S ye Corrosive atmosphere WZ Explosive atmosphere Io 1 Installation 1 5 PANEL MOUNTING 1 1 5 1 INSERT THE INSTRUMENT 1 5 2 INSTALLATION SECURING 1 5 3 CLAMPS REM
40. unning ot oe i CI tt atte fia J I g Press until Remaining time Counting stop Remaining time value SA Value change If set to ml the timer ends 6 2 2 TIMER STARTING Depending on the Timer action tage selection there can be two different starting ways Automatic at the power on Manual by keypad serial com munications or digital input To start stop the Timer ZZ 7 Operator mode J It aCe mi J It Soe Press until i to To start select 5k r k ZL Ii k AT a OF D To stop select St oF a oe PA Jt a m los mE m e E g 5 Ci S amp S el Press the key to confirm 6 Special functions 6 2 3 POWER FAILURE If there is a power failure during the Timer execution the value of the elapsed time is lost Depending on Timer action t tct selection when the con troller restarts you can have two different situations e with automatic mode EdJcE 2 3 6 7 the Timer function starts again and the counting time is reinitialised e with manual mode Edet 0 1 4 5 the con trol output is forced to zero if it flood J e otherwise the control action restarts using the working Setpoint 6 Special functions 6 2 4 TIMER COUNTING MODES A Counting start time inside the band end in control mode The time coun
41. uration indexes see pages 18 or 19 The following parameter is then available LBA delay Setting a value between 1 and 9999 s the alarm works as LBA Sensor break with delay 1 This condition is shown by means ared led as well as the blinking PV display Setting OFF the alarm works as Sensor break with immediate action This condition is shown by means the red led of the selected alarm as well as Ey T T Note 1 In case of sensor break con dition the alarm action is immediate When the cause of the alarm disappears the alarm status stops 31 4 Operations LEZ Input filter Ew Jt J time constant Time constant in seconds of the RC input filter applied to the PV input When this parameter is set to UF F the filter is bypassed Filter response 100 63 2 PV gt 0 tFil Time E ee Wo This value is added to the measured PV input value Its effect is to shift the whole PV scale of up to 60 digits Input shift Jf _ _ Error Dead Ci Band Inside this band for PV SP the con trol output does not change to protect the actuator output Stand by I M Soft start control ate LI output value Value of the control output during the Soft start activation time f 1 f M Soft start I U activation time Time duration starting from the power on of the Soft start function oP 100 SEDF Soft start phase Start up GEEN
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