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Spirax Sarco SX25 Series, Installation And Maintenance Instructions Manual

The Spirax Sarco SX25 Series is a high-quality steam trap designed for efficient and reliable operation. Ensure optimal performance with the Installation And Maintenance Instructions Manual, available for free download on our website. Obtain detailed step-by-step guidance on installation and maintenance to maximize the longevity of your investment. Visit manualshive.com for instant access.

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IM-P323-25 CH Issue 3

28

tun8

p.6. a

t.i. A

t.d. A

Adpt

sl. u

sl. Dd

Ss.p. l

OFFff

OFFff

L. range

H. range

0.5

Ss.p. H

A2hYy

Continuous Tuning start / stop
(adaptive tuning)
(PID algorithm only)

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)

Setpoint ramp up

0ff

 

/0.1...999.9 digit/min

Setpoint ramp down

0ff

 

/

 

0.1...999.9 digit/min

Setpoint low limit

low range...

s.p. H

Setpoint high limit

s.p. l.

 ....high range

AL2 Hysteresis

0.1...10.0% of span

2nd  GROUP
Tuning run / stop
(PID algorithm only)

Summary of Contents for SX25 Series

Page 1: ...llation and Maintenance Instructions IM P323 25 CH Issue 3 3231450 3 1 Safety Information 2 Installation 3 Electrical connections 4 Configuration 5 Operations 6 Commissioning examples 7 Automatic tuning 8 Technical specifications Printed in the UK Copyright 2003 ...

Page 2: ...IM P323 25 CH Issue 3 2 ...

Page 3: ... 3 2 Precautions and advised conductor course 3 3 Wiring details 3 4 Wiring examples 3 5 Auxiliary relays for Valve Motor Drive actuators 4 Configuration 4 1 Configuration coding 5 Operations 5 1 Keys and display overview 5 2 Display 5 3 Parameter setting 5 4 Parameter menu 5 5 Parameter description 5 6 Configuration menu 6 Commissioning examples 6 1 Example of pressure control for SX25 mA 6 2 Exa...

Page 4: ...esigned as an installation category II product and is reliant on the building installation for over current protection and primary isolation v Wiring should be carried out in accordance with IEC 60364 or equivalent For installations in the US and Canada the controller must be wired in accordance with the Local and National Electrical Code NEC or the Canadian Electrical Code CEC vi Fuses should be ...

Page 5: ...he harmonisation of the law of Member States relating to electrical equipment designed for use within certain voltage limits by meeting the standard EN 61010 1 IEC 601010 1 90 A1 92 A2 95 This product complies with the requirement of 89 336 EEC as amended by 92 31 EEC on the approximation of laws of the Member States relating to Electromagnetic Compatibility by meeting the standards of EN 50081 2 ...

Page 6: ...s controller follow the instructions illustrated in this manual and particularly the installation precautions marked with the symbol related to the European Community directive on electrical safety and electromagnetic compatibility To prevent hands or metal touching parts that may be electrically live the controllers must be installed in an enclosure and or in a cubicle ...

Page 7: ...IM P323 25 CH Issue 3 7 2 2 Dimensional details 2 3 Panel cut out ...

Page 8: ... to 2 000 m 6 561 ft Temperature 0 50 C 32 122 F Relative humidity 5 95 non condensing Special conditions Suggestions Temperature 50 C Humidity 95 Conducting atmosphere Use filter Warm up Use forced air ventilation Forbidden conditions Corrosive atmosphere Explosive atmosphere Rh Rh ...

Page 9: ...instrument 1 Push and 2 pull to remove the instrument Electrostatic discharges can damage the instrument Before removing the instrument the operator must discharge himself to ground 1 Insert the screwdriver in the clips of the clamps 2 Rotate the screwdriver 2 5 1 Insert the instrument 2 5 2 Installation securing 2 5 3 Clamps removing 2 5 4 Instrument unplugging UL note For use on a flat surface o...

Page 10: ...100 VMD t VMD OP4 mA SX25 mA ONLY t t t Terminals Pin connector q 1 4 mm 0 055 in max Fork shape AMP 165004 Ø 5 5 mm 0 21 in Stripped wire L 5 5 mm 0 21 in 18 screw terminals Option terminals Holding screw 0 5 N m Positive screw driver PH1 Negative screw driver 0 8 x 4 mm UL note Use 60 70 C 140 158 F copper cu conductor only ...

Page 11: ...ggestions All the wiring must comply with the local regulations The supply wiring should be routed away from the power cables Avoid to use electromagnetic contactors power Relays and high power motors nearby Avoid power units nearby especially 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 shielded ca...

Page 12: ... correct type for the thermocouple used The shield if present must be connected to a proper earth B For Pt100 temperature sensor If a 3 wire system is used always use cables of the same diameter 1 mm2 min line 20 W lead maximum resistance when using a 2 wire system always use cables of the same diameter 1mm2 AWG 18 and link terminals 5 and 6 C For DT 2xRTD Pt100 Special When the distance between t...

Page 13: ...V D1 With 2 wire transducer SX25 mA only D2 With 3 wire transducer SX25 mA only Rj 10MW 1 Auxiliary power supply for external transmitter 18 V 20 30 mA max without short circuit protection Note The auxiliary power supply is not available on the VMD controller ...

Page 14: ... OP3 OP2 D Double Action Heat OP4 Cool OP2 OP3 E Double Action Heat OP1 Cool OP4 OP2 OP3 F Double Action Heat OP2 Cool OP4 OP1 OP3 G Valve Motor Drive Open OP1 Close OP3 OP2 OP2 H Single Action Heat or Cool OP1 none none OP2 OP3 I Single Action Heat or Cool OP2 none none OP1 OP3 J Double Action Heat OP1 Cool OP3 OP2 K Double Action Heat OP1 Cool OP2 OP3 L Double Action Heat OP2 Cool OP3 OP1 SX25 m...

Page 15: ... Relay output SPST Relay N O 2A 250 V for resistive load fuse 2A T Logic output not isolated 0 5V 20 30 mA max OP2 use Relay terminals 15 16 or Logic terminals 10 11 3 3 5 D Double action analogue mA relay control output 3 3 5 E Double action relay analogue mA control output 3 3 5 F Double action relay analogue mA control output 3 3 5 C Double action analogue mA relay control output load coil ...

Page 16: ...t 3 3 5 J Double Action Relay Relay Control Output 3 3 5 K Double Action Relay Logic Control Output Relay output SPST Relay N O 2A 250 V for resistive load fuse 2A T Logic output not isolated 0 5 V 20 30 mA max Valve drive PID without potentiometer open close stop Coil of the heat load contactor Coil of the heat load contactor Coil of the heat load contactor Coil of the cool load contactor ...

Page 17: ...y The outputs OP1 OP2 and OP3 can be used as alarm outputs only if they are not configured as control outputs 3 3 6 Alarms outputs Relay output SPST Relay N O 2A 250 V for resistive load fuse 2A T Logic output not isolated 0 5 V 20 30 mA max Coil of the cool load contactor 16 15 2 Coil of the load alarm contactor Coil of the load alarm contactor ...

Page 18: ...tching the actuators high current loads avoid introducing high current loops within the proximity of the controller and provide an easily replaceable switching element outside of the controller This advice is in line with that given by other manufacturers of similar equipment and is considered to be good working practice SX25 VMD Example2 SX25 VMD for Temperature control Using Pt100 temperature se...

Page 19: ...ustom input and range 1 9 1 For example other thermocouples types DT with 2 PT 100 custom linearisation etc Control action type M Reverse single action Linear Cool Heat Cool double action 0 Direct single action On Off Cool Heat Cool double action 1 4 Configuration The configuration code can be displayed on the front panel following the instructions on page 22 section 5 2 2 2 5W 1 shunt resistor mu...

Page 20: ...press enter The controller will remain in stand by until the configuration code is set correctly see section 5 6 page 36 Alarm 2 type and function N Not active 0 Sensor break alarm Loop Break Alarm 1 Process active high 2 active low 3 Deviation active high 4 active low 5 Band active out 6 active in 7 Alarm 3 type and function O Disabled 0 Sensor break alarm Loop Break Alarm 1 Process active high 2...

Page 21: ...IM P323 25 CH Issue 3 21 5 1 Keys and display overview 5 1 1 Key functions and display in operator mode 5 1 2 Key functions and display in programming mode 5 Operations ...

Page 22: ... This display is not shown if the instrument has been configured as an On Off controller Local Setpoint Manual Operator mode Engineering units 1 OP1 output auto 2 5 2 1 Process variables 5 2 2 Configuration codes Example 3150 2002 Release 00A Operator mode Engineering units 1 Hardware model Configuration code see page 19 Software release ...

Page 23: ... 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 or once to display the local Setpoint instead of working Setpoint To confirm this change the display flashes once Then the Setpoint can be modified 5 3 1 Numeric entry Lower after 2 sec Operator mode working Setpoint displayed Local Setpoint display Setpoint...

Page 24: ...Press the or to display the next or previous mnemonic for the selected parameter Continued pressing of or will display further mnemonics at a rate of one mnemonic every 0 5 sec Degree Fahrenheit no units defined Ph Engineering Units Degree Centigrade Degree Fahrenheit Degree Centigrade ...

Page 25: ...hen manual mode is active the Setpoint display shows the output value that can be modified by The outputs are switched to the OFF status by pressing the keys and together When the outputs are locked the message is displayed instead of the Setpoint value To unlock the outputs press both keys simultaneously the Soft start will be enabled operator mode Press simultaneously for 2 seconds The outputs l...

Page 26: ...The value is entered when the next parameter is selected by pressing the key Pressing the key the next group of parameters will be displayed Note 1 This will not be displayed if the controller has been configured with alarm 2 not active or if sensor break type selected Digit N M of the configuration code is assigned to 0 or 1 2 Before Adpt is switched off note down the calculated values P b t t d ...

Page 27: ...le time heat cool with cool time propotional PID only 1 200 secs Cool relative gain heat cool configuration only 0 1 10 0 Cool output hysteresis On Off control only 0 1 10 0 range Dead band heat cool configuration only 10 0 10 0 Password entry only if Code value 5000 see page 38 1st GROUP AL2 alarm threshold 1 see page 30 Control output high limit PID algorithm only 10 0 100 0 Cool control output ...

Page 28: ... 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 Setpoint ramp up 0ff 0 1 999 9 digit min Setpoint ramp down 0ff 0 1 999 9 digit min Setpoint low limit low range s p H Setpoint high limit s p l high range AL2 Hysteresis 0 1 10 0 of span 2nd GROUP ...

Page 29: ... bL LBA delay see page 32 0ff sensor break 1 9999 sec LBA Time constant input filter 1 30 sec or 0ff Input shift 0ff 60 60 digit Error dead band PID algorithm only 0ff 0 1 10 0 digits Soft start output value 0ff 0 1 100 0 Soft start activation time only if st 0p different than 0ff 1 9999 sec Output safety value 0 0 100 0 100 0 100 0 for heat cool Password entry only if Code value 5000 see page 38 ...

Page 30: ... left Alarm AL2 and AL3 will share the same output see table on page 14 AL3 alarm threshold AL2 alarm threshold Integral time Derivative time Cycle time cool Control output cycle time This is the cycle time of the logic control output The time required by the proportional term P to repeat the output provided by the derivative term D When Off the derivative term is not included in the control algor...

Page 31: ...vershoot control Heat Cool dead band This parameter specifies the maximum value the control output can be set Valve travel time This parameter specifies the width of the deadband between the Cool and the Heat channel Cool output high limit Control output high limit Valve movement sensitivity Control output hysteresis Cool output hysteresis Control or alarm output hysteresis span set in of the full...

Page 32: ...ndicated by the red alarm LED and the flashing display With the parameter set to OFF the alarm will work with no delay The alarm condition is indicated by the red alarm LED and the upper display will show the following Note 1 If the input sensor breaks the alarm will energise immediately Loop Break Alarm Conditions When the cause of the loop break disappears the alarm staus stops Second group Star...

Page 33: ...t value Its effect is to shift the whole PV scale by 60 digits When the PV is within the error band the control output will not change This will help the life of the actuator by reducing the number of actuator starts Set the value of the control ouput during the Soft start activation time in To de activate the Soft start set to OFF Soft start control output value Soft start activation time Set the...

Page 34: ...ossible to separate or overlap the Heat and Cool actions The Cool action can be adjusted using the relative cool gain parameter r C G To limit the Heat and Cool outputs the parameters Control Output High Limit OP H and Cool Control Output High Limit 0p HC can be used When there is an overlap the displayed output OUt shows the sum of the Heat and Cool outputs Heat cool control D On Off Cool action ...

Page 35: ...3 35 Analogue control output range Analogue control output OP4 With SX25 mA Cycle Time tc or Cool Cycle Time tc C are not present Control output selection non Not used N U Heat single action N U C Cool 0 20 4 20 r tr rt H ...

Page 36: ...w value entered is stored into the controller when the next parameter is selected by pressing Pressing the will display the next group of parameters Operator mode Auto Man selection see page 25 Control output selection only if installed non Not used N U Heat N U C Cool Change password 2 To change the password from 0 9999 33 default from factory Note You must remember the password code If the code ...

Page 37: ...gits I L M N of the configuration code chapter 4 1 page 19 and 20 Entry of digit O Alarm3 configuration code 4 1 page 20 Analogue control output range only if installed 0 20 4 20mA 1st GROUP 2nd GROUP Direct access to the configuration if code 5000 Password entry only if Cod value 5000 see page 38 Code entry from 5000 to 9999 Must be equal to the value of the parameter Code NO YES ...

Page 38: ...ler is not configured In this situation the controller has its outputs and inputs not active This situation ends when a correct configuration code is entered For inputs from thermocouple or resistance thermometer the choice is between C and F only Notes 1 Minimum Range 100 digits 2 To hide the parameters change the password to a number between 5000 to 9999 Centigrade degrees C Fahrenheight degrees...

Page 39: ...ntroller will not function without being configured If on power up the display does not show the above but instead the operator mode process variable and set point is shown it signifies that the controller has already been configured If this is the case it is unlikely that the pre set configuration will be suitable for your application Pressure transmitter 0 to 50 barg producing a 4 20mA output si...

Page 40: ... now entered and the display will show Then press the enter key Enter the last digit for code O CON2 Then press the enter key Using the and keys enter the first part of the configuration code ILMN conf O 4 Parameter Description Default Value New Value Unit Input Eng units C bar Sc d d Number of decimals 0 1 Sc Lo Low input value 999 9 0 0 Sc Hi High input value 999 50 0 rert Analogue output range ...

Page 41: ...rol output high limit 100 0 5 0 Press the scroll key The display will show Press the enter key to save the value entered and to move to the next parameter When the last parameter has been entered press the enter key to save this value Now press the scroll key to edit the second group parameters First group parameters which provides the option of selecting Automatic or manual control Press the scro...

Page 42: ... set point of 20 0 bar by using the and keys To improve control of the application adjust the proportional band and integral time accordingly Parameter Description Default Customer Value set Values tune Tuning PID Stop Stop AdPt Adaptive tuning PID Stop Stop SL u Set point ramp up Off Off SL d Set point ramp down Off Off S P L Set point low limit 0 0 0 0 S P H Set point high limit 50 0 25 0 A2hy A...

Page 43: ...t the configuration menu When the configuration menu is exited the display will now show the normal operating mode with the process variable at the top and the set point at the bottom For example With the controller configured the parameters can now be entered Using the table below enter the following values into the parameters Parameter Description Default Value New Value Unit temperature units C...

Page 44: ... the enter key to save the value entered and to move to the next parameter When the last parameter has been entered press the enter key to save this value Now press the scroll key Parameter Description Default Customer set Value Values A2S P Alarm 2 set point 0 0 35 0 A3S P Alarm 3 set point 0 0 10 0 P b Proportional band 5 0 5 0 t i Integral time 5 0 5 0 t d Derivative time 1 00 1 00 O C Overshoo...

Page 45: ... bloc A3hy Alarm 3 hysteresis 0 5 0 5 A3L b Alarm 3 latching and blocking none none t F iL Time constant input filter Off Off In Sh Input shift Off Off d Err Error dead band Off Off St OP Soft start output value Off Off Sa OP Output safety value 0 0 0 0 Second group parameters The display will show This is used to start the automatic tuning Using the table opposite enter the following values into ...

Page 46: ... the input scan This method has the big advantage of fast calculation with a reasonable accuracy in the PID calculation Natural frequency This is selected when the Process Variable PV is close to the Setpoint SP This method provides a more accurate PID calculation but will take more time to complete If the natural frequency tune is taking too long to complete try the step response time The green l...

Page 47: ...ues will be lost If the power fails during Adaptive Tuning the PID values are lost At power on the Adaptive Tuning starts automatically and will re calculate the PID values The self learning Adaptive Tuning is non intrusive It doesn t affect the process during the calculation of the optimal PID values It is particularly suitable for controlling process whose control characteristics change with tim...

Page 48: ...Error 1 C 20 C 0 5 C Burnout Line 150W max Input drift 2µV C Env Temp 5µV 10W Wire Res DC input current 4 20mA 0 20mA with external shunt 2 5W 1 Rj 10MW Engineering units Conf decimal point position Init Sc 999 9999 Full Sc 999 9999 min range of 100 digits Input drift 0 1 20 C Env Temp 0 5µV 10W Wire Res DC input voltage 10 50mV 0 50mV Rj 10MW 0 25 1 digits for temperature sensors 0 1 1 digit for ...

Page 49: ...ction Double action Heat cool 0 5 999 9 0 01 10 00 min 0 1 100 0 min 10 0 10 0 0 1 10 0 100 0 10 0 heat 100 0 10 0 cool 1 200 sec 0 1 10 0 digit Control output OP1 Relay Triac OP1 Relay Triac OP2 Logic OP1 Relay Triac OP2 Logic OP3 Relay Triac OP2 Logic OP3 Relay Triac On Off algorithm PID algorithm Heat cool control action PID algorithm OFF O PID with overshoot control or On off OP2 Relay or logi...

Page 50: ...220V and capacitor Adaptive Tuning self learning not intrusive analysis of the process response to perturbations and continuously calculation of the PID parameters Fuzzy Tuning The controller selects automatically the best method according to the process conditions High limit Hysteresis 0 1 10 0 c s Action Active high Active low Action type Deviation threshold range Band threshold 0 range Absolute...

Page 51: ...n a non volatile memory for an unlimited time Password to access the configuration and parameters data keypad lock output lock Power supply PTC protected 100 240V 15 10 50 60 Hz or 24V 25 12 50 60 Hz and 24V 15 25 Power consumption 2 6 W max Compliance to EN 61010 1 IEC 601010 1 installation class 2 2500V pollution class 2 instrument class II Compliance to the CE standards see page 5 IP65 front pa...

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