RWF40 Manual - Beckett Corp.
Contents
1. 53 Output 1 release of burner 2 5 Den este nee eire kanes rea Eaa 53 Output 2 3 floating Output 1 ee eq et ts 53 Output 4 limit comparator nennen eene 53 Output 5 analog output option 54 Transducer supply minerant tiene a E e Ais a ee EENS 54 Interface RS 485 optional 54 General ratings E 54 Measuring ACCULACY ECCL 55 Monitoring of measuring Cru 55 Environmental coriditions 1e re deerne need reir ern dna den 55 Current settirigs sere oboe aaa aaan o dies eten ES anaa aiian iaaa 56 Pr ess data o D ran 56 Parameter level 5 2 eer deeg dee geen ei ieiuna ina 56 Configuration level 1 1cccercie ecce reie e seren unanime naa aane npa ikaenea Eanan unaa 57 HVAC Products CC1B7865en 01 09 2005 5 57 1 1 General notes A 1 2 Description Use Control Options 6 57 L d 1 Introduction Please read this User Manual before switching on the controller Keep the User Manual in a safe place which can be accessed by all users at all times Please help us improve the information given in the User Manual Your suggestions will be welcome All necessary settings and where required the settings to be made inside the unit are described in this User Manual applicable to controller software version 126 01 02 and 126 02 01 c Section 6 2 5 Display software versio2. 6 1 6 1 1 6 2 6 2 1 6 2 2 6 2 3 6 2 4 6 2 5 6 3 6 3 1 6 4 6 4 1 8 1 8 2 8 3 8 3 1 8 3 2 8 3 3 8 3 4 8 3 5 8 3 6 8 3 7 8 3 8 8 3 9 8 3 10 8 3 11 8 3 12 8 3 13 8 3 14 9 1 9 2 10 4 57 OBEFANON EE 29 Basic is play fer 30 Meaning of the display and buttons seen 30 rial E N 31 Changing the TICE 31 Manual operation of a modulating burner seen 33 Manual operation of a 2 stage burner eee 33 Start self setting EE 34 Display of the software version and of unit of actual value sees 34 Parameter l vel eue noit eati eege 35 Entering parameters sees enne enne nre nennen nenne nnne 35 UNE E 35 Changing the configuration code nnen ennen eenenvenennerenneeeenverenverenvenenen 35 Parameter Settings riipi eian naarde ese ee 36 Configuration E 38 Leu ERE E 38 C112 limit comparator controller type setpoint SP1 locking 40 C113 unit address dimensional unit out of range eene 44 SCL scaling of standard signal range start analog Input 45 SCH scaling of standard signal range end analog Input 45 SCL2 scaling of standard signal range start analog input 3 45 SCH2 scaling of standard signal range end analog input 3 46 SPL lower setpoint limit E 46 SPH upperseipoint limite er 46 OFF1 actual value correction for analog Input 46 OFF2 actual v
3. E eee drop AUe DC0 10V 0 10 V R 2MQO 2 MQ Sampling time 210 ms 11 1 2 Analog input 2 external setpoint setpoint shift Resistance measured value 0 1 KQ standard signals without linearization Potentiometer With 2 wire circuit R 0 1 kQ Standard signals Internal resistance Ri GE drop AUe DCO 10V sd 10V Ri 2MQ 2MQ DC 0 20 mA DC 4 20 mA Sampling time 630 ms 52 57 CC1B7865en 01 09 2005 HVAC Products 11 Technical data 11 1 3 Analog input 3 outside temperature For resistance thermometers in a 2 wire circuit with fixed filter time constants 21 h 18 min for weather dependent setpoint enable Resistance thermometer Measured value range Pt1000 IEC 751 200 850 C 328 1562 F Ni1000 DIN 43760 60 4250 C 76 482 F LG Ni1000 50 4160 C 58 4320 F Sampling time 6 seconds 11 1 4 Binary input D1 Potential free contact for changeover of operating mode Modulating burner when contact is open LED on the front is not lit 2 stage burner when contact is closed LED on the front is lit 11 1 5 Binary input D2 Potential free contact for the following functions depending on the configuration No function Setpoint shift Setpoint changeover 11 2 Outputs 4 relay outputs 1 analog output optional and a transducer supply are provided as standard 11 2 1 Output 1 release of burner Relay output N O contact C
4. stage II Upper switch off HYS3 0 999 9 digit 5 c Section 5 2 High fire operation threshold Response threshold 0 999 9 gt Section 5 6 Response threshold Q Heating curve slope Ho 94 O c Section 5 5 1 Heating curve slope 90 90 Section 5 5 Weather dependent setpoint shift Setting of the decimal place has an impact on this parameter Parallel displacement 0 Note When using the controller as a pure floating controller or modulating controller without L the burner release function Q13 Q14 parameter HYS1 must be set to 0 and parameters HYS2 and HYS3 must be set to their maximum values Otherwise e g when using default parameter HYS1 factory setting 5 the floating control loop will only be released when the control deviation reaches 5 K HVAC Products CC1B7865en 01 09 2005 37 57 8 1 C111 inputs Analog input 1 Pt100 3 wire IEC 751 Pt100 2 wire IEC 751 Ni100 3 wire DIN 43760 Ni100 2 wire DIN 43760 Pt1000 3 wire IEC 751 Pt1000 2 wire IEC 751 Ni1000 3 wire DIN 43760 Ni1000 2 wire DIN 43760 LG Ni1000 3 wire LG Ni1000 2 wire NiCr Ni K Cu CuNi T NiCroSil NiSil N Fe CuNi J Standard signal DC 0 20 mA Standard signal DC 4 20 mA Standard signal DC 0 10 V Standard signal DC 0 1 V Pt RhPt S Pt RhPt R Pt RhPt B Analog input 2 No function External setpoint 1 kQ resistance potentiometer Ex
5. Parameter Display 12 Actual settings Value range Factory setting Setting Setpoint 1 SP1 SPL SPH 0 Setpoint 2 option SPL SPH 0 SP2 Peano Dar cmm D TA Outside temperature optional gt Section 8 1 C111 inputs HESS Men of external setpoint EN SPL SPH Setting of the decimal places has an impact on these parameters 12 2 Parameter level HYSt HYS 1 HYS2 E igi 3 Upper switch off threshold HYS3 0 999 9 digit 5 ot E Limit value of limit comparator Switching differential for limit comparator Actuator running time Switch on threshold burner stage II Switch off level stage Il Response threshold Heating curve slope Parallel displacement Setting of the decimal place has an impact on these parameters 56 57 CC1B7865en setting 1999 9999 digit 0 999 9 digit 3 0 50 1 5s 5 0 199 9 digit 0 HYS3 digit 0 999 9 90 90 01 09 2005 HVAC Products 12 Actual settings 12 3 Configuration level Parameter Display Factory setting Analog input 1 2 and 3 setpoint C111 9030 changeover shift Limit comparator controller type C112 0010 setpoint 1 locking Unit address decimal place unit C113 0110 signal for out of range Measured value range start SCL analog input 1 Measured value range SCH 100 analog input 1 Measured value range SCL2 analog input 2 Measured va
6. The upper working range limit limits the control range in the upward direction This limitation is independent of the adjustment of the setpoint and hysteresis 3 If switch off threshold SP Hyst3 gt oLHi exceeds the upper working range limit the switch off threshold will be replaced by the upper working range limit The setpoint does not change Example SP 90 Hyst3 5 oLHi 93 gt Switch off threshold 93 Current setpoint 90 If the setpoint lies above the upper working range limit the setpoint and switch off threshold will be replaced by the upper working range limit Example SP 95 Hyst3 5 oLHi 93 gt Switch off threshold 93 Current setpoint 93 Value range 1999 9999 digit Factory setting 9999 digit 8 3 14 dtt bus watchdog timer for remote operation only with RWF40 0X2B97 In remote operation bus communication is monitored refer to User Documentation CC1A7865 1 RWF40 interface RS 485 Within the setting communication with the management system must take place If that is not the case the RWF40 will automatically change from remote operation to local operation operation like RWF40 0X0 and RWF40 0X1 Value range 0 7200 s Factory setting 30 s Exception 0 watchdog timer function deactivated HVAC Products CC1B7865en 01 09 2005 47 57 9 Self setting function 9 1 Self setting function in high fire operation 2 procedures ee tunE is only possible in hi
7. change within the permitted value range CC1B7865en 01 09 2005 31 57 6 Operation User level Display depends on code 111 Depending on the configuration of binary input 2 dSP Sp2 or Measurement of the outside temperature via analog input 3 Measurement of the external setpoint or a setpoint shift via analog input 2 L 7865f06e 1199 32 57 CC1B7865en 01 09 2005 HVAC Products 6 Operation 6 2 2 Manual operation modulating burner Floating controller Modulating controller Thermostat mode Press for 5 seconds The LED above the hand symbol will light up Change the position of the actuating device with A and V Relay 2 opens the actuating device as long as A is kept depressed Relay 3 closes the actuating device as long as V is kept depressed The LEDs for the actuating device indicate if OPEN or CLOSE is activated Change the position of the actuating device with A and V The analog output delivers the position of the actuating device that was entered Return to automatic operation by pressing for 5 seconds Ee When manual operation is activated the position of the actuating device will be set to 0 until another entry with the buttons is made Manual operation can only be activated if the thermostat function has set relay 1 active If the therm
8. 2 User level 6 2 1 Changing the setpoints HVAC Products 6 Operation All displays light up The setpoint display flashes for about 10 seconds after switching power on The upper display shows the actual value The LED for manual operation is on Depending on the operating mode and the type of controller the setpoint or the level of the manual actuator position is shown on the setpoint display green Section 6 2 2 Manual operation of a modulating burner The actual value is shown on the actual value display red and the text tunE flashes on the setpoint display green Section 9 1 Self setting function in high fire operation c Chapter 10 What to do if Section 5 2 High fire operation If there is no action by the operator the controller will automatically return to L oe the basic display after about 30 seconds This level is started from the basic display Setpoints SP1 and SP2 dSP can be altered and the analog inputs E2 external setpoint setpoint shift and E3 outside temperature can be displayed To alter SP1 SP2 or dSP Change to the user level with Alter setpoint SP1 with Y and A Change to setpoint SP2 or dSP with Alter setpoint SP2 or dSP with Y and A Return to the basic display with or automatically via time out after about 30 s After 2 seconds the set value will automatically be adopted The value can only
9. analog signal or the interface It is possible to shift the setpoint either by an analog or binary signal to influence it according to the weather or to change it via an external contact 20 57 CC1B7865en 01 09 2005 HVAC Products 5 Operating modes 5 4 1 Setpoint changeover SP1 SP2 analog setpoint shift HVAC Products C111 XXIX XX3X Outside sensor C111 and C112 are ec described in chapter 8 Heating curve slope Setting 0 0 4 0 Weather dependent setpoint shift No Yes C112 XX1X SP1 via outside sensor C112 XX0X O SP1 via buttons C111 XXX2 c Section 5 4 4 Exter nal setpoint binary setpoint shift C111 XXX0 C111 XXX1 Setpoint changeover Setpoint SP2 SP2 via buttons D2 closed C111 X6XX XAXX SPH oLHi Setpoints SP1 and SP2 are entered on the user level c Section 6 2 User level SPL oLLo Connection of binary input D2 c Section 4 2 Assignment of terminals 7865f05e 12 e SE Active setpoint 1 Only with RWF40 0X2B97 CC1B7865en 01 09 2005 21 57 5 Operating modes 5 4 2 Setpoint changeover SP1 external setpoint C111 XXIX XX3X Outside sensor C111 and C112 are Ce described in chapter 8 Heating curve slope H Setting 0 0 4 0 Weather dependent setpoint shift No Yes C112 XX0X C112 X
10. here after the system has been started up Within the level you can proceed to the next parameter by pressing E CS The display of the individual parameters depends on the type of controller Entry and alteration of the parameters is made through continuous alteration of the value The longer you keep the button pressed the faster the rate of change Increase value by pressing A Decrease value by pressing V Accept entry by pressing or Cancel entry by pressing After 2 seconds the set value will automatically be accepted The value can only change within the permissible value range c Chapter 7 Parameter settings The settings made here are those required for commissioning a specific installation and therefore need hardly ever be altered later on acquisition of measured value or type of controller Within the level you can advance to the next parameter by pressing EJ 6 4 1 Changing the configuration code HVAC Products Select position by pressing V position flashes Alter value by pressing A Accept code by pressing or Cancel entry by pressing Chapter 8 Configuration CC1B7865en 01 09 2005 35 57 1 Parameter settings The parameter is shown on the lower setpoint display green and the parameter value on the upper actual value display red Parameter Limit value for limit comparator Display MM range Factory setting 1999 9999 digit i ub Measur
11. rt dt too large X X an t t 7865d16 1099 7865d14 1099 Optimum adjustment X Ww t 7865d18 1099 50 57 CC1B7865en 01 09 2005 HVAC Products 10 1 numbers are flashing on the display 10 What to do if This is an indication of incorrect measured value acquisition Detection of measured value range crossings depends on the type of sensor used Section 11 3 2 Measured value circuit monitoring Display Description Cause controller behavior remedy 7865p09 0200 7865p07 0200 HVAC Products Actual value display red shows 1999 flashing Setpoint display shows the setpoint When analog input 3 is configured for outside temperature C111 and the measured value is called up the actual value display red shows 1999 flashing When analog input 2 is configured C111 and the measured value is called up the process value display red shows 1999 flashing Actual value display red shows XXXXXX Setpoint display green shows 1999 flashing CC1B7865en Overrange or underrange on analog input 1 Actual value is not measured Controller initiates lockout Section 5 3 Safety shutdown The limit comparator responds to analog input 1 according to the configuration C113 Check electrical connections for open circuit of sensor Overrange or underrange on analog input 3 Outside temperature is not measured The weather dependent setpoint is inac
12. 005 41 57 8 Configuration Function Ik4 Like Ik3 but inverted switching function Output 4 Measured value 7865d03e 0300 w HYSt switching differential AL interval from setpoint Chapter 7 Parameter settings Function Ik5 Upper limit signaling Function Relay inactive when measured value gt setpoint limit value Example w 80 C AL 10 HYSt 2 Measured value rising Relay K6 switches off at 91 C Measured value falling Relay K6 switches on at 89 C Output 4 A Es i I i I i Measured value 7865d05e 0300 W Function Ik6 Like Ik5 but inverted switching function Output 4 A t I i HYSt l l i l m eg e Ee a Measured value 42 57 CC1B7865en 01 09 2005 HVAC Products Function Ik7 Function Ik8 HVAC Products 8 Configuration The switching point is independent of the controller setpoint only the limit value AL determines the switching point Function Relay is active when value measured gt limit value Example AL 50 HYSt 2 Measured value rising Relay K6 switches on at 51 C Measured value falling Relay K6 switches off at 49 C Output 4 HYSt Measured value 7865d07e 0300 A L Like Ik7 but inverted switching function Output 4 HYSt 7865d08e 0300 Measured value AL HYSt switching differential AL limit value Chapter 7 Parameter settings CC1B786
13. 20 1099 28 57 CC1B7865en 01 09 2005 HVAC Products 6 Operation Assignment of levels All levels can be accessed from the basic display via the button as shown in the diagram The upper actual value display red shows the actual value and the parameter values for the various levels The setpoint and parameters are shown in the lower section of the display green BASIC DISPLAY ES or time out approx 30 s CONFIGURATION LEVEL PGM 7865f08e 1299 After using to step through all the parameters of a level automatic return occurs after the last parameter has been confirmed HVAC Products CC1B7865en 01 09 2005 29 57 6 Operation 6 1 Basic display The diagram shows the RWF40 after switching power on This condition is called the basic display The actual value and the currently active setpoint are shown here Manual operation self setting the user parameter and configuration levels can be activated from here 6 1 1 Meaning of the display and buttons Release of burner Actuating device CLOSES 1st stage Actuating device OPENS 2nd stage 2 stage operation Actual value display red Setpoint display green Manual operation Limit comparator Decrease value Increase value PGM button EXIT button 7865p02e 1202 30 57 CC1B7865en 01 09 2005 HVAC Products Initialization Manual operation Self setting function Actual value display flashes 2 stage operation Time out 6
14. 5en 01 09 2005 43 57 8 Configuration 8 3 C113 instrument address dimensional unit out of range d The setting of the decimal place has an impact on the parameters that are dependent on the de 000 01 1 3 d G A 116 7465p05 q200 Unit address Address 0 0 0 Address 1 0 1 Address 99 9 9 Decimal place unit Baud rate No decimal place degrees Celsius 9600 Bd One decimal place degrees Celsius 9600 Bd No decimal place degrees Fahrenheit 9600 Bd One decimal place degrees Fahrenheit 9600 Bd No decimal place degrees Celsius 19200 Bd One decimal place degrees Celsius 19200 Bd No decimal place degrees Fahrenheit 19200 Bd One decimal place degrees Fahrenheit 19200 Bd No decimal place degrees Celsius 4800 Bd One decimal place degrees Celsius 4800 Bd No decimal place degrees Fahrenheit 4800 Bd One decimal place degrees Fahrenheit 4800 Bd CDS oO oO JO ob ob A CH Signal for out of range Limit comparators OFF 0 Limit comparators ON 1 Factory setting 1 Only with RWF40 0X2B97 44 57 CC1B7865en 01 09 2005 HVAC Products 8 Configuration 8 3 1 SCL scaling of standard signal range start analog input 1 Example SCL 20 SCH 100 C 0 mA start corresponds to a measured value of 20 C Value range 1999 9999 digit Factory setting 0 digit 8 3 2 SCH scaling of standard signal range end analog input 1 Example SCH 80 SCL 0 C 20 mA end corresp
15. 65en 01 09 2005 HVAC Products 4 Electrical connections 4 4 Galvanic separation The diagram shows the maximum potential differences that may exist between the function modules in the controller 3 analog inputs Limit comparator Input 1 Actual value for Pt100 Ni100 Pt1000 LG Ni1000 thermocouples or standard signals Output 4 Relay N O contact Input 2 External setpoint setpoint shift for resistance 0 1 KQ or standard signals Release of burner L1 N Output 1 Relay N O contact Input 3 Outside temperature for Pt1000 LG Ni1000 Floating output L1 N Output 2 2 binary inputs Relay actuating device opens f tential f tact or potential free contacts Output 3 D1 Operating mode Relay actuating device closes changeover D2 Setpoint shift changeover Operating voltage L1 N Transducer supply AC 110 240 V 10 10 DC 24 V 30mA 48 63 Hz max 10 VA short circuit proof Analog output optional Output 5 Analog output DC 0 10 V DC 0 20 mA 4 20 mA Max insulation voltages DC 50V Serial interface RS 485 optional AC 400 V MOD bus protocol AC 4000 V Protective earth PE 7865f07e 0905 HVAC Products CC1B7865en 01 09 2005 17 57 5 Operating modes 5 1 Low fire operation Thermostat function Low fire operation means that only small amounts of heat are drawn from the boiler A 2 position contro
16. A Modulating controller DC 0 10 V On CH Setpoint SP1 SP1 via buttons 0 SP1 with outside sensor analog input 3 must be configured 1 Locking No locking Locking of configuration level Locking of parameter level Locking of buttons d Locking of the buttons can be entered only once and adapted with E Then all button operations will be locked and can only be enabled again by the manufacturer Factory setting NO 40 57 CC1B7865en 01 09 2005 HVAC Products Function Ik1 Function Ik2 Function Ik3 HVAC Products 8 Configuration Window function Relay K6 is active when the measured value lies within a window about the setpoint w Example w 80 C AL 5 HYSt 2 Measured value rising Relay K6 switches on at 76 C and off at 86 C Measured value falling Relay K6 switches on at 84 C and off at 74 C Output 4 7865d10e 0300 W Measured value Like Ik1 but inverted switching function Output 4 Measured value 7865d09e 0300 w HYSt switching differential of the window edges AL interval from setpoint half the window width Lower limit signaling Function Relay inactive when measured value lt setpoint limit value Example w 80 C AL 10 HYSt 2 Measured value rising Relay K6 switches on at 71 C Measured value falling Relay K6 switches off at 69 C Output 4 Measured value 7865d04e 0300 w CC1B7865en 01 09 2
17. Boiler temperature setpoint C S ER Outside temperature C CC1B7865en 01 09 2005 25 57 5 5 1 Heating curve slope 26 57 5 Operating modes Slope H of the heating curve can be used to adjust the setpoint in response to the outside temperature as shown in the diagram The common origin of the heating curves is set at 20 C 20 C The effective range of the weather dependent setpoint is restricted by the setpoint limits SPH and SPL H larger Setpoint C OLH DA fen EE SPHL A LTD A a Es H smaller Outside temperature C 7865d01e 1102 1 Only with RWF40 0X2B97 HYS1 is the switch on point for the burner and HYS3 is the switch off point As already described they act with the set shift relative to the weather dependent setpoint Section 5 2 1 Modulating burner floating output Section 5 2 2 Modulating burner analog output CC1B7865en 01 09 2005 HVAC Products 5 Operating modes 5 6 Response threshold Q HVAC Products The response threshold Q defines for how long and how low the actual value is allowed to drop before the system switches to high fire operation An internal mathematical calculation using an integration function determines the sum of all the areas Qer Q1 Q2 Q3 as shown in the diagram This only takes place when the control deviation x w falls below the value of the switching t
18. HYS1 1 In area 3 the actual value exceeds the upper switch off threshold HYS3 and the controller shuts down the burner B The controller only starts low fire operation when the level falls below the switch on level HYS1 again If Q is exceeded the controller switches to high fire operation A Section 5 6 Response threshold Q CC1B7865en 01 09 2005 19 57 5 Operating modes 5 2 4 2 stage burner analog output In this case a standard binary signal switches the second stage into circuit with analog output X1 on reaching the switch on threshold HYS1 and switches it out of circuit at the lower switch off threshold HYS2 7865w04 1099 The modulating controller must be available and configured in the unit optional gt Section 8 2 C112 limit comparator controller type setpoint SP1 locking 5 3 Safety shutdown In the event of a sensor failure the controller cannot monitor the actual value of the boiler temperature analog input 1 Safety shutdown will automatically be triggered to guard against overheating This also applies to the acquisition of the external setpoint at analog input 2 Functions Burner off Floating output for closing the actuating device Self setting is ended Manual operation is ended 5 4 Predefined setpoint The setpoint is preselected within preset limits using the buttons an external
19. Power consumption Electrical connection Electrical safety Case 54 57 CC1B7865en approx 430 g EEPROM AC 110 240 V 10 10 48 63 Hz max 10 VA at the rear via plug in screw terminal strips angled at 45 to EN 60730 mounting depth 130 mm plastic body with rear panel self extinguishing flammability class UL94 VO seal between case and control panel 01 09 2005 HVAC Products 11 3 1 Measuring accuracy 11 Technical data Resolution gt 15 bit Measuring accuracy Ambient temperature error Resistance thermometer lt 0 05 96 lt 50 ppm K Thermocouples lt 0 25 96 lt 100 ppm K Standard signals lt 100 ppm K Values include linearization tolerances 11 3 2 Monitoring of measuring circuit Probe break Short circuit Resistance thermometer X Thermocouples X X DO0 10V DECOM is not detected X is detected and 1999 appears on the display c Chapter 10 What to do if 11 3 3 Environmental conditions HVAC Products Permissible ambient temperature range 20 50 C Permissible storage temperature range 40 70 C Climatic conditions Relative humidity lt 95 noncondensing Degree of protection to EN 60529 Front IP 65 Rear IP 20 Electromagnetic compatibility EMC To NAMUR recommendation NE 21 EN 50 081 part 1 EN 50 082 part 2 CC1B7865en 01 09 2005 55 57 12 1 Process data
20. SIEMENS RWFAO Compact Universal Controllers optimized for temperature and pressure control in connection with modulating or multistage burners User Manual The RWF40 controller and this User Manual are intended for use by OEMs which integrate the controller into their products Building Technologies CC1B7865en HVAC Products 01 09 2005 2 57 CC1B7865en 01 09 2005 HVAC Products Contents 1 1 1 1 2 1 3 1 3 1 1 3 2 1 3 3 2 1 3 1 3 2 3 3 3 4 3 5 3 6 4 1 4 2 4 3 4 4 5 1 5 2 5 2 1 5 2 2 5 2 3 5 2 4 5 3 5 4 5 4 1 5 4 2 5 4 3 5 4 4 5 5 5 5 1 5 6 5 7 HVAC Products InfrOdUCHON c 6 General notes ewm 6 Description suerge ee eege ee 6 Typographical conventions ccccccceeeeeeeeeeeeeeeeeeeeeeeeeeeneeseseaeaenenenaneneaeaesanesanaseneaenenenaes 7 Warning symbols 3 2 tetti iet dei ede ee te gi E etg 7 Notification Symbol Siesia a a ege E eee dedos 7 RN EE H B Xt ET 8 Type CT ME 8 Eris TE RE 9 Installation site and climatic conditions cc ccceee settee nemen eenennnnennenensnnnnnnnenenvenennenn 9 DiMenSiONS aeniea seanse aan aa esaa aaa eas aea Na aaa ea o deat ee eee ees 9 Side by side mounting sss rsarssersersisnnsererserinarneerenainedvinndensnantdendnnnndinenaknieehanndedenane 10 Mounting ina panel cutout eee tiet e tertie dan eter tuere 10 Cleaning the ON EE 11 Removing the controller module eeens 11 Electrical connecti
21. X1X Q Q SP1 via buttons SP1 from outside sensor C111 X1XX X5XX External setpoint C111 XXX2 c Section 5 4 4 Exter C111 XXX0 C111 2001 nal setpoint binary Setpoint changeover setpoint shift O oO D2 closed D2 open O 1 Setpoint SP1 is entered on the SPH oLHi user level c Section 6 2 User level 1 Connection of binary input D2 SPL oLLo c Section 4 2 Assignment of terminals 7865f03e 1202 Active setpoint 1 Only with RWF40 0X2B97 22 57 CC1B7865en 01 09 2005 HVAC Products 5 Operating modes 5 4 3 Setpoint SP1 analog binary setpoint shift C111 XXIX XX3X Outside sensor C111 and C112 are Ce described in chapter 8 Heating curve slope H Setting 0 0 4 0 Weather dependent setpoint shift No Yes C112 XXOX O O C112 XX1X O C111 X6XX XAXX t C111 XXX1 c Sections 5 4 1 and 5 4 2 Setpoint changeover C111 XXX2 D2 closed Binary setpoint shift C111 XXX0 dSP O o 0 0 O Reopen SPH oLHi Values dSP and SP1 are entered on the user level E c Section 6 2 User level SPL oLLo g Connection of binary input D2 c Section 4 2 Assignment of terminals Active setpoint 1 Only with RWF40 0X2B97 HVAC Products CC1B7865en 01 09 2005 23 57 5 Operating modes 5 4 4 External setpoint binary setpoint shift C111 and C112 are CS described in ch
22. alue correction for analog input 3 46 OFF3 actual value correction for analog input 3 46 dF1 2nd order digital filter for analog input 1 46 dF3 1st order digital filter for analog input 3 only with RWF40 0X2B97 46 oLLo lower working range limit only with RWF40 0X2B97 nnen 47 OLHi upper working range limit only with RWF40 0X2B97 nnn aen 47 dtt bus watchdog timer for remote operation only with RWF40 0X2B97 47 Self setting function setae deeg EEN en 48 Self setting function in high fire operation nnn nanne neren nnnnenenenneereveneneennnen 48 Checking the controller parameters anne sees nnne 50 What to do E e 51 humbers are flashing on the display eeeseeesseeeeeeeeeeeennneeennnne 51 CC1B7865en 01 09 2005 HVAC Products 11 11 1 11 1 1 11 1 2 11 1 3 11 1 4 11 1 5 11 2 11 2 1 11 2 2 11 2 3 11 2 4 11 2 5 11 2 6 11 3 11 3 1 11 3 2 11 3 3 12 12 1 12 2 12 3 Technical data eessen Eege ee 52 UTS deeg tm 52 Analog input 1 actual value ee eee e een eeeneeeeeeeeeeneeeeaeeseaeeeeaeeseeeeseneessaeeseeeenseeesea 52 Analog input 2 external setpoint setpoint shift annen eenen 52 Analog input 3 outside temperature nnee neee eeenvenenveneeenvenenverenvenennn 53 Binary input DT iie chide eR De chal hee are dae 53 Binary input seet gege ene er ihe etisalat a 53 ou fj
23. apter 8 C111 X1XX X5XX C111 XXX1 c Sections 5 4 1 and 5 4 2 Setpoint changeover No function D2 open SPH oLHi Values dSP and SP1 are entered on the user level c Section 6 2 User level SPL oLLo Connection of binary input D2 c Section 4 2 Assignment of terminals 7865102e 1202 Active setpoint 1 Only with RWF40 0X2B97 24 57 CC1B7865en 01 09 2005 HVAC Products 5 Operating modes 5 5 Weather dependent setpoint shift Parallel displacement of heating curve HVAC Products The RWF40 can be configured such that if an outside sensor with an LG Ni1000 sensing element e g QAC22 is used a weather dependent setpoint shift will be implemented The minimum and maximum setpoint values can be set by the lower setpoint limit SPL and the upper setpoint limit SPH In addition with the RWF40 0X2B97 the lower working range limit oLLo and the upper working range limit OLHi protect the plant by ensuring that the minimum plant temperature will be observed Parameter P can be used to apply a parallel displacement to the heating curve d Each RWF40 must have its own separate outside sensor no parallel connection Ee This function has been optimized for space heating combined with domestic hot water heating gt Chapter 7 Parameter settings 160 140 120 100 SPH Heating curve slope 60 SPL 40
24. apter 8 Configuration Accessories Adapter frame ARGAO for plants where the RWF32 predecessor model was used for conversion to RWF40 Bracket ARG41 for mounting the RWF40 on 35 mm DIN rails conforming to DIN 46277 Dummy cover AVA10 200 109 for covering control panel cutouts for the RWF40 8 57 CC1B7865en 01 09 2005 HVAC Products 3 Installation 3 1 Installation site and climatic conditions The installation site should be free from vibrations dust and corrosive media The controller should be installed away from sources of electromagnetic fields such as variable speed drives or high voltage ignition transformers Relative humidity lt 95 noncondensing Ambient temperature range 20 50 C Storage temperature range 40 70 C 3 2 Dimensions Panel cut out to DIN 43 700 45 0 6 aN TY 92 0 8 NENNEN 7865m01e 1200 HVAC Products CC1B7865en 01 09 2005 9 57 3 Installation 3 3 Side by side If several controllers are mounted side by side or above one another in a control panel minimum spacing must be observed 30 5 mm vertically and 10 5 mm horizontally 3 4 Mounting in a panel cutout Place the seal supplied with the unit onto the controller housing d The unit must be installed with the seal so that no water or oil can penetrate the housing Insert the controller from the front int
25. bol is used to draw your special attention to a remark This symbol refers to additional information in other Manuals chapters or sections Footnotes are comments referring to specific parts of the text They consist of 2 parts 1 The markings in the text are arranged as continuous superscript numbers 2 The footnote text is placed at the bottom of the page and starts with a number and a period This symbol indicates that a required action is described The individual steps are indicated by an asterisk e g Press the A button Buttons are shown in a box Either symbols or text are possible If a button has multiple assignments the text shown is always the one that corresponds to the function currently used The representation of buttons combined with a plus sign means that first the button must be kept depressed before pressing the other button CC1B7865en 01 09 2005 7 57 2 Type of unit 2 1 Type field Location The type field is glued onto the housing The type designation consists of operating voltage and type reference of the unit RWF40 000A97 Basic version with floating output RWF40 010A97 RWF40 001 A97 With additional analog output RWF40 011A97 RWF40 002B97 With additional analog output and RS 485 interface 1 Packaging variants d The power supply must agree with the operating voltage given on the type field Factory setting The measured value range and the analog inputs are factory set c Ch
26. burner operation is shown in area 2 In high fire operation a modulating controller acts on an actuator via relay 2 open and relay 3 close B HYS3 7865w07 1099 1 2 3 In area 3 the actual value exceeds the upper switch off threshold HYS3 and the controller switches the burner off B The controller only starts low fire operation when the level falls below the switch on threshold HYS1 again If Q is exceeded the controller switches to high fire operation A c Section 5 6 Response threshold Q 18 57 CC1B7865en 01 09 2005 HVAC Products 5 Operating modes 5 2 2 Modulating burner analog output In diagram area 1 the thermostat function is active In area 2 the controller maintains the adjusted setpoint B 7865w05 1099 1 The positioning signal is delivered as a standard signal via the analog output CS The modulating controller must be available and configured in the unit optional gt Section 8 2 C112 limit comparator controller type setpoint SP1 locking 5 2 3 2 stage burner floating output HVAC Products In diagram area 1 the thermostat function is active In area 2 a 2 position controller acts on the second stage via relay 2 open and relay 3 close by switching it into the circuit at the switch on threshold HYS1 and out of circuit at the switch off threshold HYS2 B 7865w06 1099 HYS3 HYS2
27. ctual value correction for analog input 3 Value range 1999 9999 digit Factory setting 0 digit 8 3 10 dF1 2 order digital filter for analog input 1 Value range for filter time constant 0 100 s Factory setting 1 second 8 3 11 dF3 digital filter of 17 order for analog input 3 only with RWF40 0X2B97 Value range filter time constant 0 1440 min Factory setting 1278 min 46 57 CC1B7865en 01 09 2005 HVAC Products 8 Configuration 8 3 12 oLLo lower working range limit only with RWF40 0X2B97 The lower working range limit limits the control range in the downward direction This limitation is independent of the setpoint adjustment and hysteresis 1 If switch on threshold SP Hyst1 lt oLLo falls below the lower working range limit the switch on threshold will be replaced by the lower working range limit The setpoint does not change Example SP 59 Hyst1 5 oLLo 55 gt Switch on threshold 55 Current setpoint 59 If the setpoint lies below the lower working range limit the setpoint and switch on threshold will be replaced by the lower working range limit Example SP 54 Hyst1 5 oLLo 55 gt Switch on threshold 55 Current setpoint 55 As soon as supervision of the working range starts oL and the current setpoint will flash alternately Value range 1999 9999 digit Factory setting 1999 digit 8 3 13 oLHi upper working range limit only with RWF40 0X2B97
28. e unit is not suitable for installation in areas with an explosion hazard Incorrect settings on the controller setpoint data of parameter and configuration levels can affect the proper functioning of the following process or lead to damage Safety devices independent of the controller such as overpressure relief valves or temperature limiters monitors should therefore always be provided and only be capable of adjustment by qualified staff Please observe the relevant safety regulations Since self setting cannot be expected to handle all possible control loops the stability of the resulting actual value should be checked The analog inputs of the controller must not exceed a maximum voltage of AC 30 V or DC 50 V against PE gt Section 4 3 Galvanic separation 12 57 CC1B7865en 01 09 2005 HVAC Products 4 Electrical connections 4 2 Block diagram HVAC Products 3 analog inputs Input 1 Actual value for Pt100 Ni100 Pt1000 LG Ni1000 thermocouples or standard signals Input 2 External setpoint setpoint shifting for 0 1 kQ resistor or linearized standard signals Input 3 Outside temperature for Pt1000 LG Ni1000 2 binary inputs For potential free contacts Input 1 Operating mode changeover Input 2 Setpoint shifting changeover Power supply AC 110 240 V 10 10 48 63 Hz max 10 VA 7865f01e 0905 CC1B7865en Release of burner Output 1 Relay N O c
29. ed value Section 8 2 C112 limit comparator controller type setpoint SP1 locking Switching differential 0 999 9 digit for limit comparator 1 Switching differential at the edges for the limit comparators Section 8 2 C112 limit comparator controller type setpoint SP1 locking 999 9 digit Affects the P response of the controller De 0 9999 s Affects the D response of the controller Within dt 0 the controller has no D response For modulating controllers dt rt 4 or 0 must be entered Proportional band Derivative time Integral action time 0 9999 s Affects the l response of the controller With rt 0 the controller has no l response Dead band neutral 0 999 9 digit zone For floating output Y db d 7865d11 1099 Setting of the decimal place has an impact on this parameter 36 57 CC1B7865en 01 09 2005 HVAC Products 7 Parameter settings The parameter is shown on the lower setpoint display green and the parameter value on the upper actual value display red Parameter Display Value range Factory Remarks setting Actuator running 10 3000 s 15s Running time of the valve for use with i floating controllers Switch on threshold HY S 1 0 199 9 digit 5 c Section 5 5 1 Heating curve slope for burner stage II Switch off threshold HY S2 0 HYS3 digit 3 gt Section 5 2 High fire operation
30. gh fire operation in the modulating burner mode The self setting function tunE is a proper software function unit that is integrated into the controller In the modulating mode tunE tests the response of the controlled system to steps of the positioning signal according to a special procedure A complex control algorithm uses the response of the controlled system actual value to calculate and store the control parameters for a PID or PI controller set dt 0 The tunE procedure can be repeated any number of times Self setting Start Identification of the controlled system PID controller settings Controlled system 7865f09e 1199 The tunE function uses 2 different methods that are automatically selected depending on the dynamic state of the actual value and the deviation from the setpoint at the start tunE can be started from within any dynamic actual value sequence If there is a large difference between actual value and setpoint when tunE is activated a switching line is established about which the controlled variable performs forced oscillations during the self setting procedure The switching line is set at such a level that the actual value should not exceed the setpoint Switching level 7865d12e 1199 With a small deviation between setpoint and actual value after the controlled system has stabilized for instance a forced oscillation is performed abo
31. he relevant local regulations The electrical connections must be made by qualified staff If contact with live parts is possible while working on the unit the controller must be disconnected from the power supply all polar disconnection An internal current limiting resistor cuts the supply voltage in the event of short circuit The external fusing should not be rated above 1 A slow The output relays must be fused for a maximum of 2 A to prevent contact welding in the event of a short circuit in the load circuit Section 11 2 Outputs No other loads may be connected to the controller s main power supply terminals The electromagnetic compatibility and interference suppression levels conform to the standards and regulations listed under Technical data c Chapter 11 Technical data Input output and supply cables should be routed separately not parallel to one another Arrange sensor and interface cables as twisted and shielded cables and do not run them close to power cables or components Ground the shielding to the controller at one end to the PE terminal Earth the PE terminal of the controller to protective earth This cable must have a cross sectional area that is at least as large as that of the supply cables Earthing cables must be wired in a star configuration to a common earthing point connected to the protective earth of the supply Earthing cables must not be looped from one controller to another Th
32. hreshold HYS1 If the actual value increases integration is stopped If Qet exceeds the preset response threshold Q can be adjusted on the parameter level this causes the second stage of the burner to switch on or in the case of a floating controller modulating controller the actuating device to open If the actual boiler temperature reaches the required setpoint Qet is reset to 0 Temperature C 7865d19e 1199 Q 0 Monitoring of the actual value ensures that the switching frequency is kept low in the transitional range from low to high fire operation aimed at reducing wear CC1B7865en 01 09 2005 27 57 5 Operating modes 5 7 Cold start of the plant When a heating system is switched off for a longer period of time the actual value will drop of course To achieve a faster control response the controller immediately starts in high fire operation as soon as the control deviation x w drops below a certain limit value This limit is calculated as follows Limit value 2 HYS1 HYS3 In that case response threshold Q is inactive independent of the operating mode and the controlled variable temperature or pressure Example Operating mode Modulating floating output HYS1 3 K HYS3 5 K w 60 C Limit value 2 3 5 2 8 16 K At an actual value below 44 C the heating up procedure immediately starts in high fire operation instead of in the thermostat mode 7865d
33. ller maintains the setpoint switching the burner on and off like a thermostat This mode of control is known as the thermostat function An adjustable switching differential ensures that the burner s witching frequency can be selected aimed at reducing wear Modulating and 2 stage operation in Actual value between HYS1 and Te HYS3 Q A v 7865w03 1099 5 2 High fire operation Operating mode changeover High fire operation means that large amounts of heat are drawn from the boiler so that the burner is continuously running If the heating load during thermostat operation rises to a level where the actual value begins to fall below the switch on threshold HYS1 the controller will not immediately switch to a higher burner output but makes a dynamic test of the control deviation first and switches to the higher output only when an adjustable threshold Q is exceeded A c Section 5 6 Response threshold Q In high fire operation depending on the application the burner can be fired in modulating or 2 stage operation then burning larger amounts of fuel than in low fire operation The binary input D1 can be used to switch between modulating and 2 stage operation When contact is open Modulating burner operation When contact is closed 2 stage burner operation 5 2 1 Modulating burner floating output In diagram area 1 the thermostat function is active The modulating mode of
34. lue range SCH2 100 analog input 2 Lemmer a 9 Actual value correction analog input 1 Actual value correction analog input 2 Actual value correction OFF3 analog input 3 Filter time constant for digital filter 1 analog input 1 Filter time constant for digital dF3 1278 filter weather dependent setpoint shift t Setting of the decimal place has an impact on these parameters Only with RWF40 0X2B97 Siemens Building Technologies HVAC Products GmbH Berliner Ring 23 D 76347 Rastatt Tel 0049 7222 598 279 Fax 0049 7222 598 269 2005 Siemens Building Technologies HVAC Products GmbH http www sbt siemens com Subject to change HVAC Products CC1B7865en 01 09 2005 57 57
35. n and dimensional unit Should any problems arise during commissioning do not make any unauthorized manipulations on the unit You could endanger your rights under the warranty terms Please contact us in such a case When returning modules assemblies or components to HVAC Products the regulations as per DIN EN 100 015 Protection of electrostatically sensitive devices must be observed Always use the appropriate ESD packaging for transport Please take note that we cannot assume liability for damage caused by ESD ESD electrostatic discharge The RWFAO is used primarily for the control of temperature or pressure in oil or gas fired heating plants It is a compact modulating controller without position feedback acting on the burner An external switch can be used to change it to a 2 position controller for the control of 2 stage burners The integrated thermostat function switches the burner on and off The thermostat relay output 1 can be used as a thermal reset limit thermostat conforming to DIN 3440 An adjustable response threshold is used to Switch to a higher burner output high fire operation In modulating operation the RWF40 operates as a PID controller In 2 stage operation the RWF40 provides control based on the set switching threshold The setpoint of the RWF40 can be adjusted either on the controller itself or externally Minimum and maximum setpoint limits can be adjusted A self setting function is pro
36. o the panel cutout 7865208 0200 At the rear of the panel push the fixing elements into the guide slots from the side or top The flat faces of the fixing elements must rest on the housing Place the fixing elements against the rear of the panel and tighten them with a screwdriver 10 57 CC1B7865en 01 09 2005 HVAC Products 3 Installation 3 5 Cleaning the front The front can be cleaned with normal washing and rinsing agents or detergents The front is not resistant to corrosive acids caustic solutions and abrasive cleaners Do not clean with high pressure cleaners 3 6 Removing the controller module The controller module can be removed from the housing for service The rules as per DIN EN 100 015 Protection of electrostatically sensitive A devices must be observed for internal work on the controller No liability will AleX be assumed for damage caused by electrostatic discharge 7865z09 0200 Press the ribbed surfaces together at top and bottom and pull out the controller module HVAC Products CC1B7865en 01 09 2005 11 57 4 1 Installation notes Safety requlations Fusing A Interference suppression Incorrect use 4 Electrical connections The choice of cable installation and electrical connections of the controller must conform to VDE 0100 Regulations for the installation of power circuits with nominal voltages below AC 1000 V or t
37. onds to a measured value of 80 C Value range 1999 9999 digit Factory setting 100 digit 8 3 3 SCL2 scaling of standard signal range start analog input 2 Example SCL2 20 0 mA corresponds to a measured value of 20 C as already described Value range 1999 9999 digit Factory setting 0 digit HVAC Products CC1B7865en 01 09 2005 45 57 8 Configuration 8 3 4 SCH2 scaling of standard signal range end analog input 2 Example SCH2 80 20 mA corresponds to a measured value of 80 C as already described Value range 1999 9999 digit Factory setting 100 digit 8 3 5 SPL lower setpoint limit The controller restricts the setpoints to the set value Value range 1999 9999 digit Factory setting 0 digit 8 3 6 SPH upper setpoint limit The controller restricts the setpoints to the set value Value range 1999 9999 digit Factory setting 100 digit 8 3 7 OFF1 actual value correction for analog input 1 The actual value correction can be used for correction of the measured value upwards or downwards by a specific amount It is also used for line compensation when resistance thermometers are connected in a 2 wire circuit Value range 1999 9999 digit Factory setting 0 digit Example Measured value Offset Displayed value 294 7 0 3 295 295 3 0 3 295 8 3 8 OFF2 actual value correction for analog input 2 Value range 1999 9999 digit Factory setting 0 digit 8 3 9 OFF3 a
38. ons eere nnns 12 Installation notes 3e eege eer 12 Block ICE BE 13 Assignment of terminals saas 2 reae trece cu ha roni aha Cc cur pha Fa nbn ch E CR CH REESEN EE 14 Galvanic EE EE 17 Operating Felge ees eege nage tes Sege Eer 18 Low fire operation ee nn nnnnenrennnnenennnnnenenensenrennnnenrennneerennnneneennnnenennnnnenennnnennn 18 High fire peratioN 5 iter tine thet etait deed 18 Modulating burner floating output nennen nennereeneerenverenvenennerenneeeenverenveeen 18 Modulating burner analog output nne 19 2 stage burner floating output seen nnne 19 2 stage burner analog output nennen nenne 20 ELI m E 20 Predefined setpoint 5 ceri dcnevseessvesnteceredesssansistecsvedevesendeiessvedsvesasseiedevereee 20 Setpoint changeover SP1 SP2 analog setpoint shift eneen 21 Setpoint changeover SP1 external seipoimt ennen venneeeneenneeenennenen vennen 22 Setpoint SP1 analog binary setpoint shift A 23 External setpoint binary setpoint shift AAA 24 Weather dependent setpoint shift aaneen ne nnenennneenneeneeennnnnennneen 25 el lee NEE 26 Response threshold Q an neenenenenenennennnensenensnnenannenvenensnnennnnennevenvenenn 27 Cold start of plant cnszsersasnserasersnersserseserivarnserineranenisarendninereverinerewevaneseverakninwendnndendiane 28 CC1B7865en 01 09 2005 3 57
39. ontact Floating output Output 2 Relay actuating device open Output 3 Relay actuating device closed Limit comparator Output 4 Relay N O contact Power supply measuring transducer DC 24 V 30 mA short circuit proof Analog output optional Output 5 Analog output DC 0 10 V DC 0 20 mA DC 4 20 mA Serial port optional RS 485 MOD bus protocol 01 09 2005 13 57 4 Electrical connections 4 3 Assignment of terminals Electrical connections may only be made by qualified personnel 7865207 0603 Outputs Display LED Connection diagram Relay 1 Release of burner Q14 pole Can be used as a thermal reset limit thermostat to DIN 3440 Contact protection Varistor SO7K275 Q13 N O contact 7865a11 1199 Relay 2 Actuating device opens Y1 N O contact Contact protection RC unit Relay 4 Limit comparator Contact protection Varistor S07K275 Q64 pole Q63 N O contact 7865a15 1099 X1 O Analog output optional DC 0 4 20 mA 0 2 10 V X1 7865a17 1099 WW Q common pole Relay 3 Actuating device closes Contact protection RC unit Y2 N O contact en il 7865a16 1099 14 57 CC1B7865en 01 09 2005 HVAC Products 4 Electrical connections Analog input 1 actual value Thermocouple 11 M1 M1 G1 I M1 G1 l1 M1 Resistance thermometer in 3 wire circuit Resistance thermometer in 2 wire circuit line compen
40. ontact rating AC 24 240 V 2 Aat p f cos gt 0 6 Contact life gt 2 x 10 switching cycles at rated load Internal contact protection Varistor SO7K275 11 2 2 Output 2 3 floating output 2 relay outputs N O contacts with a common pole for actuating device open close Contact rating AC 24 240 V 2 A at cos gt 0 6 Contact life 2 x 10 switching cycles at rated load Internal contact protection RC combination C 2 5 nF R 100 Q 11 2 3 Output 4 limit comparator Relay output N O contact Contact rating AC 24 240 V 2 A at cos gt 0 6 Contact life gt 2 x 40 switching cycles at rated load Internal contact protection Varistor SO7K275 HVAC Products CC1B7865en 01 09 2005 53 57 11 2 4 Output 5 analog output option 11 Technical data Analog output electrically isolated from the analog inputs AU lt AC 30 V AU lt DC 50 V Standard signals Load burden DC 0 10 V short circuit proof DC 0 20 mA Load gt 500 Q Burden lt 500 Q DC 4 20 mA Burden lt 500 Q Accuracy 0 25 50 ppm K 11 2 5 Transducer supply DC 24 V 30 mA short circuit proof 11 2 6 Interface RS 485 optional Baud rate Protocol Unit address 4 800 9 600 or 19 200 MOD bus 1 99 Galvanic separation between supply voltage analog inputs and outputs Section 4 3 Galvanic separation 11 3 General ratings Weight Data backup Operating voltage
41. ostat function sets relay 1 inactive during manual operation manual operation is terminated 6 2 3 Manual operation 2 stage burner HVAC Products Press for 5 seconds Press A briefly Relay 2 is active relay 3 is inactive Analog output optional delivers DC 10 V The actuating device opens Or press Y briefly Relay 2 is inactive relay 3 is active Analog output optional delivers DC 0 V The actuating device closes Return to automatic operation by pressing for 5 seconds If the thermostat function sets relay 1 inactive during manual operation manual operation is terminated CC1B7865en 01 09 2005 33 57 6 Operation 6 2 4 Start self setting Start self setting with Vv Cancel with A Se v FM En 7865210 1199 When tunE stops flashing self setting has stopped Accept the parameters that have been determined by pressing A press the button for at least 2 seconds Ee It is not possible to start tunE in manual operation or thermostat operation 6 2 5 Display of the software version and of unit of actual value Press A Available units C F and for standard signals EJ a 7865z11 1199 34 57 CC1B7865en 01 09 2005 HVAC Products 6 3 Parameter level 6 3 1 Entering parameters 6 4 Configuration level 6 Operation The parameters involved in adapting the controller to the controlled system are set
42. sation via offset correction OFF1 Current input DC 0 20 mA 4 20 mA Voltage input DC 0 1 V 0 10 V Analog input 2 setpoint and setpoint shift Resistance potentiometer XB6 start Offset correction OFF2 M6 slider M6 end Current input DC 0 20 mA 4 20 mA Voltage input DC 0 1 V 0 10 V Connection diagram G1 I1 7865a04 1099 M1 tts Gi 7865a05 1099 It o MiG 7865a06 1099 U1o0 M19 7865a07 1099 Connection diagram 7865a08 1099 LEE M6 o 7865a09 1099 XU60 M60 7865a10 1099 Analog input 3 outside temperature Connection diagram Resistance thermometer in 2 wire circuit line compensation via offset correction OFF3 HVAC Products CC1B7865en 01 09 2005 B9 Ha M9 7865a13 1099 15 57 4 Electrical connections Binary inputs Connection diagram Operating mode selector D1 gt Section 5 2 High fire operation D1 Setpoint shift changeover D2 gt Sections 5 4 1 5 4 4 GNDO Common ground GND 7865a12 1099 Operating voltage interface Connection diagram Operating voltage L1 live conductor AC 110 240 V 10 96 10 96 48 63 Hz max 10 VA N neutral conductor PE O Protective earth 7865a18 0603 Operating voltage for transducer G Q DC 24 V 30 mA G 7865a14 1099 Serial interface RxD TxD RS 485 RxD TxD GND 16 57 CC1B78
43. ternal setpoint DC 0 20 mA External setpoint DC 4 20 mA External setpoint DC 0 10 V External setpoint DC 0 1 V Analog setpoint shift 1 KQ resistance potentiometer Analog setpoint shift DC 0 20 mA Analog setpoint shift DC 4 20 mA Analog setpoint shift DC 0 10 V Analog setpoint shift DC 0 1 V Position feedback resistance potentiometer 1 KQ 1 Position feedback 0 20 mA Position feedback 4 20 mA Position feedback 0 10 V 1 Position feedback 0 1 V 1 Only with RWF40 0X2B97 38 57 CC1B7865en 01 09 2005 8 Configuration r crgoumnmooom doo 1o0000nm o mmO OO Soo JO Ob oh A EN 7865p03 0200 HVAC Products 8 Configuration Analog input 3 No function Outside sensor Pt1000 2 wire IEC 751 Outside sensor Ni1000 2 wire DIN 43760 Outside sensor LG Ni1000 2 wire 0 1 2 3 Function of binary input D2 No function 0 Setpoint changeover 1 Setpoint shift binary 2 Factory setting HVAC Products CC1B7865en 01 09 2005 39 57 8 Configuration 8 2 C112 limit comparator controller type setpoint SP1 locking Limit comparator No function Ik off Ik1 input 1 Ik2 input 1 Ik3 input 1 Ik4 input 1 Ik5 input 1 Ik6 input 1 Ik7 input 1 Ik8 input 1 Ik7 input 2 Ik8 input 2 Ik7 input 3 Ik8 input 3 OT SO OO JO om P GO A O Controller type Floating controller Modulating controller DC 0 20 mA Modulating controller DC 4 20 m
44. tive Check electrical connections for open circuit of sensors Overrange or underrange on analog input 2 External setpoint is not measured Controller initiates lockout Section 5 3 Safety shutdown Check electrical connections for open circuit of sensors Overrange or underrange on analog input 2 Setpoint shift is not measured Controller initiates lockout Section 5 3 Safety shutdown Check electrical connections for open circuit of sensor 01 09 2005 51 57 11 Technical data 11 1 Inputs 11 1 1 Analog input 1 actual value For resistance thermometers thermocouples or standard signals with 2 order digital filter configurable Resistance thermometers In 2 wire or 3 wire circuit Measured value range Pt100 Pt1000 IEC 751 200 850 C 328 1562 F Ni100 Ni1000 DIN 43760 60 4250 C 76 482 F LG Ni1000 50 4160 C 58 4320 F Line resistance lt 30 Q Line compensation Not required with 3 wire circuit When using a resistance thermometer in a 2 wire circuit line compensation can only be made by means of the offset correction Thermocouples 200 1000 C 328 1832 F 200 1372 C 328 2502 F 200 400 C 328 752 F 100 1300 C 148 42372 F 0 1768 C 32 3214 F 0 1768 C 32 3214 F 0 1820 C 32 3308 F 1 Only with RWF40 0X2B97 Cold junction temperature Internal
45. ut the setpoint 48 57 CC1B7865en 01 09 2005 HVAC Products Conditions HVAC Products 9 Self setting function 7865d13 1099 t The controlled system data recorded for the forced oscillations are used to calculate the controller parameters rt dt Pb 1 and a filter time constant for actual value filtering that is optimized for this controlled system High fire operation in the modulating burner mode The thermostat function relay 1 must be constantly activated otherwise tunE will be canceled and no optimized controller parameters will be adapted The above mentioned actual value oscillations during self setting must not exceed the upper threshold of the thermostat function increase if necessary and lower the setpoint CC1B7865en 01 09 2005 49 57 9 Self setting function 9 2 Checking the controller parameters The optimum adjustment of the controller to the controlled system can be checked by recording a startup sequence with the control loop closed The following diagrams indicate possible incorrect adjustments and their correction Example The response to a setpoint change is shown here for a 3 order controlled system for a PID controller The method used for adjusting the controller parameters can however also be applied to other controlled systems A favorable value for dt is rt 4 PB too small PB too large X X t t 7865d17 1099 7865d15 1099 rt dt too small
46. vided as a standard feature The plug in controller module measures 96 x 48 x 127 5 mm and is especially suited for mounting in control panels The controller features two 4 digit 7 segment displays for the actual value red and the setpoint green A limit comparator is also provided its switching characteristic can be set on the configuration level A choice of 8 different limit comparator functions is available An RS 485 interface is provided for integrating the controller into a data network Output 5 can be used as an analog output for modulating or 2 stage operation All connections are made via screw terminals at the rear of the unit CC1B7865en 01 09 2005 HVAC Products 1 Introduction 1 3 Typographical conventions 1 3 1 Warning symbols A d A bei Danger Caution Caution 1 3 2 Notification symbols Le abc Note Reference Footnote Action 1 3 3 Presentation PGM EXIT A HVAC Products Buttons Button combi nations The signs for Danger and Caution are used in this User Manual under the following conditions This symbol is used where there may be a danger to staff if the instructions are disregarded or not strictly observed This symbol is used where there may be damage to equipment or data if the instructions are disregarded or not strictly observed This symbol is used if precautionary measures must be taken in handling electrostatically sensitive components This sym
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