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User`s Manual

1. a d r A 1 1 1 d A b 4 1 1 1 1 t 1 f 1 e ul A 1 ap 1 I I a 5 gt 2 2 Y y 1 1 A a b d 1 kaid x PAN Laa y 1 1 1 ni 1 d k d lt Dv x 3 3 3 N D R 2 ay gt E T D Dd a 5 2 1st Issue 01 05 19 DMP047E Parameters Mode 3D The Parameter menu of On OFF Hysteresis Digital operating Mode 3D 15 the sum of 1D 2D Modes parameter menus This Menu contains all parameters since this mode 15 intended to manage both heating and cooling control loops Push Set key to select the parameter to be modified The parameter value blinks showing the edit status push the Up and Down keys to change values Once the desired values are modified push the Set or Esc keys to exit The Compensation and Limit parameters are visible if the relevant functions in the Operating Mode Programme menu 2 Level are enabled Push Set key for 5 seconds to enter such menu Parameters Mode 4D Push Set key to select the parameter to be modified The parameter value blinks showing the edit status push the Up and Down keys to change values Once the desired values are modified push the Set or Esc keys to exit A A E P A E o ee a iS BS Switch off Delay time in seconds aan rr en e s oi i 4 A AA r Switch on Delay time in seconds a 1 i 1st Issue 01 05 20 DMP04
2. a amp i f Front key legend n thin menu odos gp bj TE Br 4 Bl Bl le Ef UN 0000 E LF 3 Y A 00 3 la 3 13 8 3 ll p3 gt o 3 2 ra y 3 2 E Y A 400 EA ES dd g ES A dd Colour Legend 1st Issue 01 05 23 DMP047E CONTROL PARAMETER TABLES LEVEL 1 SoC Heat operating Set Always Visualisation only cannot be set StC 21 0 50 to 150 Heat Loop Set With SR without Compens 1 3 and 4 operating mode Sci 20 0 50 to 150 Heating compensation min Set ee and SC Comp enabled 1 3 and 4 operating 101 5 0 50 to 150 Heating compensation min temperature oe and SC Comp enabled 1 3 and 4 operating Sc2 35 0 50 to 150 Heating compensation max Set edi al tc2 10 0 50 to 150 Heating compensation max temperature dels and SC Comp enabled 1 3 and 4 operating 16 480 30 to 1200 Heating integral time sec With integral action enabled bec 4 0 0 to 25 Heating Loop Proportional Band With SR 1 3 and 4 operating mode SLe 18 0 50 to 150 Heating min limit Loop Set With LLL enabled 1 3 and 4 operating mode SHc 24 0 50 to 150 Heating max limit Loop Set With LLH enabled 1 3 and 4 operating mode bLc 4 0 0 to 25 Heating min limit Proportional Band With LLL enabled 1 3 and 4 operating mode bHc 4 0 0 to 25 Heating max limit Proportional Band With LLH enabled 1 3 and 4 operating mode SoC Heating operating Set Always Visualisation only
3. 1 2 and 4 operating mode In Mode3 S on W off Changeover Operating mode 4 Operating mode 4 Operating mode 4 DMP047E Special Functions nsor reri 661 Default SSr 1 SSc 1 SSL 1 SSE 1 USE OFF A Default Range ndL 1 1104 idL 1 1104 1656 1 110 255 1st Issue Description Control sensor selection Compensation sensor selection Limit sensor selection Selection for external sensor to device Compensation sensor enable by ModBus Description Number of devices on LinkBus 1 4 LinkBus position 1 ndL ModBus Supervisor bus address 01 05 26 Availability Always Always Always Always Always Availability Always Always Always DMP047E SYSTEM APPLICATIONS EXAMPLE 1 OUTSIDE AIR PLANT WITH TIME CONTROL OF ROOM TEMPERATURE IN WINTER nm eM Lon W500TMB OPERATION The controller carries out time control with PH action on room temperature sensor 2A or on air exhaust sensor 2B by driving the valve 4 on the heating coil In case the supply temperature 3 goes below the set limit value the controller intervenes with P action changing the valve position to avoid that excessively cold air is introduced into the environment It is possible to supervise by ModBus also visualizing the status of the differential pressure switch on the filter Frost protection in case of heated fluid lack or of faulty control if the anti frost thermostat 5 detects a temperature lower than the set valu
4. cannot be set SiC 21 0 50 to 150 Heating ON OFF Set With SR without Compens 1 and 3 operating mode Sc1 20 0 50 to 150 Heating compensation min Set With SR and SC Comp enabled 1 and 3 operating mode tc1 5 0 50 to 150 Heating compensation min Temperature With SR and SC Comp enabled 1 and 3 operating mode Sc2 35 0 50 to 150 Heating compensation max Set With SR and SC Comp enabled 1 and 3 operating mode tc2 10 0 50 to 150 Heating compensation max Temperature With SR and SC Comp enabled 1 and 3 operating mode BRE 4 0 010 25 Heating ON OFF Hysteresis With SR 1 and 3 operating mode Sie 18 0 50 to 150 Heating min ON OFF limit Set With LLL enabled 1 and 3 operating mode SHc 24 0 50to 150 Heating max ON OFF limit Set With LLH enabled 1 and 3 operating mode bLc 4 0 010 25 Heating min ON OFF limit Hysteresis With LLL enabled 1 and 3 operating mode bHc 4 0 010 25 Heating max ON OFF limit Hysteresis With LLH enabled 1 and 3 operating mode TABLES OF OPERATING MODES AND TIME SCHEDULES LEVEL 2 Parameter table Level 2 Time schedules Operating modes Special functions Time schedules Pro Weekly schedule Pr7 dO MON 01 06 SUN Daily schedule Prd co 1 h co 2 h co 3 h co 4 h off Reduced Set rid RIC RIF Operating modes Analogue contr PA1 8 PA2 Op Abo Int coP LLL LLH AE1 AE2 On Off contr Pd1 amp Pd2 Op Abo coP LLL LLH AE1 AE2 SEo RS RA 1
5. aante e eOr E Sae a TEA 20 PROGRAM ME MENU FOR OPERATING MODES AND TIME SCHEDULES c ccsssscsssessessessessessesssssesssesesssssesssssneesssnenes 21 Settings 0 10Volt Analogue Outputs PAL and PAZ cininiiniciininnnmrr 22 Settings Relay Digital Outputs Pd1 and Pd2 Operating Modes 1 2 and 3 sssri 22 Setting Relay digital Outputs Pd1 and Pd2 Operating Mode 4 s sssssssssssssssssisrsrrrrrerrerensnsssnsnisrnrnrrrrerereres 22 MENU DIAGRAM Tocina A A EEE AAE E A A A ETAN aA 23 CONTROL PARAMETER TABLES LEVEL 1 ccscsssssessessesscsssescesssssessessesssssesssssussscsussscsnessssneesssnsessssessssseasessesvessesueassaneesssnenes 24 TABLES OF OPERATING MODES AND TIME SCHEDULES LEVEL 2 cscsscssssssssssesssessesssssesssssssseessesseseessesssssneesssnenenss 25 SYSTEM APPLICATION Sa a A nRa 27 1st Issue 01 05 2 DMP047E INTRODUCTION The controller is provided with four control Loops two SR SC SL DIA DIZ Analogue Loop and two on off Hysteresis Loops Each Analogue Loop is connected to a 0 10 Vdc output Each on off hysteresis is linked to a relay output with exchange contact All Loops have independent control parameters and set point All the four Loops share the three sensors Control Sensor SR Compensation Sensor SC and Limit Sensor SL The Control Sensor is compulsory while the Limit Sensor and Compensation Sensor can be omitted If the Compensation Sensors and or the Limit Sensor are present it is possible to
6. during data display Led associated to control sensor it is on during data display Led associated to limit sensor it is on during data display Led associated to compensation sensor it is on during data display Led associated to digital input 1 it is on when the input 15 active closed contact Led associated to digital input 2 it is on when the input 15 active closed contact Led associated to relay output 1 it is on when the output is active Led associated to relay output 2 it is on when the output 15 active Led associated to anomaly signal JM Led associated to override status of the Operating Mode METE Led associated to Operating Mode On Comfort Blinking Reduced Off Stop 1st Issue 01 05 4 DMP047E FUNCTION DESCRIPTION GENERAL First of all it is necessary to define the OPERATING MODE for each one of the four Control Loops The Operating Mode constitutes the functioning type to be assigned to a specific output Heating control means that the output moves in an inversely proportional way with respect to the value measured by the Control Sensor vice versa is the meaning of cooling control FOR THE 2 ANALOGUE OUTPUTS CAN BE SELECTED MODE 1A HEATING LOOP OUT If the output value must increase while the Control Sensor 400 value goes below the Operating Set When the set point is achieved the output is zero If the control Temperature goes below the Heat
7. enable the relevant functions The device is also equipped with two dry contact digital inputs which can be used for outside enable or summer winter changeover functions Loop 1 analogico gt not Loop 2 analogico gt A02 Isteresi 1 On Off 001 Isteresi 2 On Off _ 002 The device is characterized by a user interface composed of a 3 digit FND display five buttons and of twelve LEDs located on the front membrane The information displayed on screen depends on whether the sensors are present or not and on the related function enable The controller is also provided with a two wire local bus called Link Bus Through the local bus port it is possible to connect up to 4 different devices with the purpose to share the three Sensors and the operating mode with other devices of the same line The local bus also allows the W500T to be supervised if at least one W500TMB is connected The W500TMB version distinguishes from the basic W500T for its on board RS485 Modbus communication interface and for the Real Time Clock with daily and weekly schedules The W500TMB allows supervision also for other W500T devices max n 3 connected to it through a Link Bus and the set time schedules can be shared Electrical connections e a G G 1 GND 13 230 Vac F 2 SR 14 230 VacN 3 SC 15 Rel1 CO 4 SL 16 Rel1NA 5 GND 17 Rel1NC 6 Di 18 Rel2CO 7 Di2 19 Rel2 NA GND Digital LINK B
8. gt inside the Operating Mode Programme Menu accessed by pushing the Set key for 5 seconds The manual override cancels the mode determined by the clock and it is signalled by the Led Ovr on the front panel The number of clicks on such key states cyclically the setting passing from Comfort to Reduced and Stop modes then returning to Automatic mode CLOCK ENABLE WITH TIME SCHEDULE If the W500 is RTC provided or it is connected via Link Bus to a device with clock it is possible to define the Operating Mode according to a weekly schedule and a daily schedule The clock enable of each Control Loop is obtained by setting the parameter ABO On If the device with clock is connected to other equipments without clock through the Link Bus the mode can be shared and all the equipments will follow simultaneously the same time schedule Weekly schedule For each day of the week it is possible to define a fixed mode 0 Comfort 1 Reduced 2 Stop or to assign a daily schedule expressed by value 3 Daily schedule It is possible to carry out up to 4 time changeovers defining for each one hour minute and mode The changeovers which are not used must be filled in with the same values of the last valid changeover For the setting of both weekly and daily time schedules see page 21 st Issue 01 05 11 DMP047E OUTSIDE DIGITAL ENABLE Two digital inputs are available they can be used independently by the 4 Control Loops If on a Cont
9. to exit The Compensation Integral Limit parameters are visible if the relevant functions in the Operating Mode Programme menu 2 Level are enabled Push Set key for 5 seconds to enter the menu 1st Issue 01 05 18 DMP047E Parameters Mode 1D Push Set key to select the parameter to be modified The parameter value blinks showing the edit status which is carried out by pushing the Up key to increase the value and Down to decrease it Once the desired values are modified push the Set or Esc keys to exit Visible only with Compensation ON coP parameter On A ses gt gt CE SS Se a em ey ne l N Parameters Mode 2D A Peo o q AA 1 CE gt Canlina naneratina Set nnint read nnlv if Camnancatinn is ON i J Visible only witb Compensation ON coP parameter On A 4 1 1 1 d d A 1 1 J d A d A 7 1 1 es r A lt 4 b g 1 1 IA e lt 1 1 1 I d r A amp E 1 1 e r A de gt gt 2 5 2 gt gt 3 gt D 5 a gt 3 3 D x lt D 3 3 D v D Gsassss AA ee ee a ee ee ee ee ee ee ee A a ae Saag 7 Coolina nranartianal hand a AAA Visible only with Min limit ON LLL parameter 0n __ a o Visible only_with max limit ON LLH parameter On
10. 1st Issue User s Manual W500T W500TMB 6000900666 0 00600000 ceo 01 05 1 DMP047E TABLE OF CONTENTS INTRODUCTION aia AA A E AE A A Aa Ani 3 USERINTERFACE aa aE RAA 4 FUNCTION DESCRIPTION cssssssssssssssssssssssesssssesssssssnsssssncssssncsossnessssasssnsasssssasesssencsssescansessancrasenssenensuseasssnsaseasasesssaseasseseansessanereses 5 GEN ERA Lies anaana iss cach ide veu ce sida a aa ues cota cba a daha ee eRe ogee AC ENG cle acces anata 5 FOR THE 2 ANALOGUE OUTPUTS CAN BE SELECTED c cccssscsssssessessessessssssssnessssseesesseesesssessesseseseessesscsutsscsneesssnenessnes 5 FOR THE 2 ON OFF DIGITAL RELAY OUTPUTS CAN BE SELECTEDS ccsscssssscsssessessssscsssssessesssssessessseseessssnessssnenessees 6 SET POIN COMPENSATION conri dada dada 8 MINIMUM AND OR MAXIMUM LIMITS oncnconiciconocinnnonnononononenenecoraioroncornnnerasesarnnr corran snorarrnrrar correr roer corra rorrrarara nana 8 SECOND LOOP WITH LIMIT SENSOR cscscsssssesssssessessucsesssesssssessssssesesssesssscssessesucsscsneesssneesssnsessasanessseasessesuessesuesssaneesesseees 10 OPERA TINGMMODE aaa a A a dd ARE 10 MANUAL OVERRIDE KEY FOR THE OPERATING MODE ccccscscssessesssssessessnesssssesssssessssseesesssesesssesesssesesssesuessssneesssnensssnenes 11 CLOCK ENABLE WITH TIME SCH EDU LES o ada 11 OUTSIDE DIGITALE ENABLE rerainan aaia aa A iic 12 FACTORY DATA LOAD coat 12 STORING DATA IN PERMANENT ME
11. 3 or 4 equipments to interoperate for data exchange The Link Bus connection allows sharing the three sensors and Operating Mode and supervising the devices which do not have the RS485 serial communication port The equipments connected via Link Bus must have a univocal address IDL that can be set by the menus from 1 to 4 The equipment with IDL 1 Master communicates its Operating Mode to the other controllers connected to the Link Bus If the Master is RTC provided RTC is not necessary for the others the 4 controllers can operate according to the same time schedule The equipments without the RS485 W500T serial communication port can be supervised if connected via Link Bus to at least one equipment with RS485 W500TMB setting it as Master Each IDL address corresponds to a Link Bus channel on which the controller communicates the values of its own temperature sensors connected to the terminals Each device communicates its values on the Link Bus channel determined by the assigned IDL address number If it is required a sensor connected to the terminals of another controller it is necessary to operate on parameters menu of Sensor Selection SEL and to select the channel for reading For example a controller with IDL address 2 which uses the Compensation Sensor connected to SC terminals of the equipment having IDL address 3 the value SSC in the sensor selection parameter menu SEL must be 3 If the sensor to be used is connect
12. 7E PROGRAMME MENU FOR OPERATING MODES AND TIME SCHEDULES Set daily schedule at fixed mode or time changeover Level 2 e Set Set Reduced mode for Heating and cooling Set time schedules and operating mode Set Sensor selection channel Set Link Bus and ModBus addresses Push Set for 5 seconds until the device is reset the display blinks Push Set for 5 seconds until the label YES appears _ A __ AA_ _ _ _ _ _ A_xx K K _ _ _ gt Push Set for 5 seconds until the equipment is reset the display blinks 1 N Set Settings 0 10Volt oe Outputs PA1 and PA2 a P _ OS LTL o AL no LATA o LAA o A SA gt a he dl Do SIR gt MULA Max limit enable x SH Operating mode selection Loop enable from D i 1 Switch BR Rs Enable from Time schedule if present or permanent enable 2 Soe Sea oa E FE a ae aa oe A ee ee E EAE PEA R eter eee oer E ER A So PA gt Compensated or remote Set point enable PL ee ee A A O A A pens Ree mre Geer er ees ds i SR gt Enable switch off delay of Relav LP e e 1 SR gt Rg Enable switch on delav of Relav A gt 1st Issue 01 05 a A o A An ao a 2 la 2 a o as as aja Sid o EA A si hl i i A A i a a i a A a A i A ck ih oa he ed A ri id ek hd a a ee ec lh Sd A DMP047E MENU DIAGRAM 5 5 5 5
13. MENU Using Front Panel it is possible to access the Parameters managed by the device The data access Menu is subdivided into three different levels Level 0 Main data display Level 1 Access to parameter configuration menu Level 2 Access to the Operating modes programming menu The Level 0 15 the one displayed by default If no keys are pushed for some seconds this level is automatically re entered from the higher levels At this Menu level it is possible to visualize on the FND display the temperature values of the connected sensors also via Link Bus and the analogue outputs Aol and Ao2 values expressed as a percentage Data display is achieved by pushing the buttons Up or Down z while Led signalling the displayed analogue input or output lights up If an input is not present it is not displayed The digital input led D i 1 and D i 2 are on with closed contact the Rell and Rel2 relay output led are on if they are energized Such led are always visible at any menu level The Mode Ovr and anomaly LEDs have already been described in the respective chapters To access Level 1 push the Set key At this level it is possible to change the control Parameters of the two analogue outputs PA1 and PA2 of the two Relay Digital outputs Pd1 and Pd2 and for W500TMB controllers only also the clock rtc lt is always necessary to set the clock at the first start up or if the equipment has been powered off for over 30 hours In orde
14. MORY ccccccscssessssscssssscssssssessessessssssssssssssscsussscsnsesssneesssnsesssssesesssesssssesuessesueasssneessanenes 12 LOADING DATA FROM PERMANENT MEMORY ccsssssssssssessessessessesssssesssssnsssssnsssssnsssssssesssssesssssesssssseessesussssseessssnenessnenes 12 REMOTE SET aiena dd tease ea e o a al ie 12 OUTSIDE SENSOR FROM SUPERVISION FOR COMPENSATION c ccccsssssssssssssssssssssssssssssssessnssesessnssssessnssssessnssssesansesees 13 LINK BUS COMMUNICATION uu cccscsesssssessssssesssssesssssessesssesesssesesssesesssesussscsusssssuessssnsesssnseessnsesassessessessessesuessesusasesueassaneesssnsees 13 MODBUS COMMUNICATION Gin nnan amaaa iaaa iai aiaia a ii aiaia 14 ERROR SIGNALUN Guionistas db 15 FRONT PANEL AND DATA ACCESS MENUQ cccscssssscssssscssssssessessessssscssessesssesussscsusssssneesssnseessnsesesssesssssessessesusssesutasesneesssnensssnenes 16 PARAMETER CONFIGURATION MENU c cccscsssscssssssessssscssessessessssssssessscsusssssuesscsnsesssnesssnsessssessssseserssesucssesutssssuessssneesssnsass 17 Level 1 Parameter selection Parameter modification c ccccssssssssssssssssssssssssssssssetssssseetssssssesesseneeseeees 17 Parameters Mode TA sia A iia 17 Parameters Mode ZA A a A oi E 18 Parameters 4006 38 7 Mode A e e eee a 18 Parameters Mode Decir ria 19 Parameters s Mode 2D ue A ida 19 Parameters Mode Dic AAA caida 19 Parameters Mode Dit E E a EE 20 Parameters e MOd AD
15. O OP ON Limite di Minima Limite di Massima If the Minimum limit function is enabled it uses the output maximum value among the limit Loop and Control E Loop If the Maximum limit function is enabled it uses the output minimum value among the limit Loop and Control Loop OFF ae Limite Set Set Limite Lirnite In a COOLING LOOP Minima Lim L Massima Min ax If the Minimum limit function is enabled it uses the OUTA MOCO 00000 output minimum value among the limit Loop and 100 Lime diMinima ________ Eme aiMeesime Control Loop If the Maximum limit function is enabled it uses the output maximum value among the limit Loop and Control Loop If the Minimum limit is enabled it is necessary to 0 gt 006 Banda Banda Sond define Limite Set Set Limite a e MINIMUM LIMIT SET POINT Minima Lim Lim Massima mare Min Max e MINIMUM LIMIT PROPORTIONAL BAND OUT aod Limite di Minima Limite di Massima If the Maximum limit is enabled it is necessary to define sal AN lo NENE TE e MAXIMUM LIMIT SET POINT e MAXIMUM LIMIT PROPORTIONAL BAND F F 0 OUT Modo Freddo For Operating Modes 3A 4A and 3D it is necessary to set on ia Limite di Massima the Limit Set and Band values both for heating Loop and for cooling Loop It is not possible to enable the limit function in Operating Mode 4D The Limit Loop Set point operates at fixed point and is not modified even under Reduced Operating Mode The Limit Loop is disabled under Stop O
16. US BUS 65485 8 Link Bus 20 Rel2NC Input quema 9 LinkBus 22 Aol e 10 Bus 485 23 GND E 11 Bus 485 W500TMB 24 Ao2 WS00T 12 GND 485 only W500TMB Legend Analog Output SR Control sensor SC Compensation sensor SL Limit sensor U1 User 1 e g fan or damper U2 User 2 e g on off valve or circulation pump S1 Proportional actuator 0 10 Volt S2 Proportional actuator 0 10 Volt Aol Ao2 0 10V COM 0 197 GND 230Vac st Issue 01 05 3 DMP047E USER INTERFACE The device 15 characterized by a user interface composed CONTROLLI of a 3 Yedigit FND display five keys and of twelve LEDs located on the front membrane The information displayed on screen depends on whether the sensors are present or not and on the related function enable Using the buttons it is possible to navigate a cascade menu Ovr which allows configuring individually the functions to be o o assigned to the 4 independent outputs O Oo Description of keys O O WS500T A Button Up to increase values Used both for parameter modification and for moving inside the menus x Button Down to decrease values Used both for parameter modification and for moving inside the menus Cancel and menu exit ye Parameter programming and confirmation ga Operating mode override Description of Led Yes Led associated to analogue output 1 it is on during data display PB Led associated to analogue output 2 it is on
17. ails see page 11 e From Time schedule it changes automatically into one of the three modes This function is enabled on each Control Loop by setting ABO On e Through digital input D i 1 and or input D i 2 except modes 3A and 3D if enabled AE1 On and or AE2 On it is possible to pass from Stop open contact to another mode e 1st Issue 01 05 10 DMP047E Changeover from digital inputs with dry contact operates on all Loops whose function is enabled 461 or AE2 with value On Such operation has a priority with respect to other changeovers from clock or Manual override button The Stop mode in Mode 4A produces a 5 5 Vdc output The enabled Operating Mode is signalled by a proper Led Mode on the front panel as follows Led Mode Status Operating Mode enabled ON Comfort Blinking Reduced Off Stop Through the Link Bus it will be possible to share the override mode although a local override on a single equipment has always priority with respect to the shared mode The Operating mode is determined by default by the Time schedule if the clock is present otherwise the default Operating Mode is Comfort The manual override through key loses its action if the equipment is switched off and then on again For further details see the three following paragraphs MANUAL OVERRIDE KEY FOR THE OPERATING MODE It is possible to carry out a manual override of the Operating Mode by pushing the proper key Ovr
18. alve if the User temperature exceeds the set value Possible variants fan control on air exhaust on Rel2 digital output with switch on delay with respect to the supply fan Rell 1st Issue 01 05 30 DMP047E
19. ature below the set value is introduced into the environment It is possible to supervise by ModBus also visualizing the status of the differential pressure switch on the filter Frost protection in case of heating fluid lack or of faulty control if the anti frost thermostat 5 detects a temperature lower than the set value the controller stops the fan and closes the outside air damper Frost protection in case of heating fluid lack or of faulty control if the anti frost thermostat 5 detects a temperature lower than the set value the controller stops the fan and closes the outside air damper Possible Variants fan control on exhaust on digital output Rel2 with switch on delay with respect to the supply fan remote set point of the heating coil on SC input or compensated outside set point 1st Issue 01 05 28 DMP047E EXAMPLE 4 HOT COLD WATER PLANT IN WITH S W CHANGEOVER OPERATION WTMD500 The circuit is supplied by hot water in winter and cold I water in summer Through the S W changeover switch l i f 51 5 according to the season the valve 2 is driven by 1 E Y the controller compensated by outside temperature in winter 1 by the fixed point controller in summer Possible variants ModBus supervision by W500TMB controller or proper additional module BusAdapter EXAMPLE 5 PRIMARY AIR PLANT WITH RE HEAT o PA I 1 I I L OPERATION The P action controller carries
20. ddresses of other devices We recommend using a shielded cable for RS485 Bus if on the plant or inside the switchboard are present power devices always Keeping the suitable distances and precautions regarding signal wiring and power cables For ModBus address set up and outside compensation from supervision see page 21 ERROR SIGNALLING The controller 15 able to signal two anomaly conditions one depending from communication and the other from Sensors If a Communication ERROR is present the Anomaly Led blinks It is possible to have a communication fault when for example two equipments connected via Link Bus use the same IDL address or in case of high noise on communication which provokes faulty data transmission Inside switchboards in presence of power devices contactors Inverters UPS reactors etc we recommend to use shielded cables both for sensors and Bus to reduce anomaly probability If a sensor anomaly occurs the Anomaly Led lights up If both anomaly conditions occur the Led blinks Once the Communication anomaly is cancelled the Led remains on indicating the Sensor ERROR For a correct operation the anomaly Led must be switched off The conditions which most frequently produce anomalies are e Sensor is no more present with enabled function e Sensor outside the controller shared with Link Bus is not present e More devices have the same IDL address st Issue 01 05 15 DMP047E FRONT PANEL AND DATA ACCESS
21. e the controller stops the fan and closes the outside air damper Obstructed filter the pressure switch 7 signals the presence of obstructed filter if the differential pressure before and after the filter increases over the set value Possible variants fan control on exhaust on digital output Rel2 with switch on delay with respect to the supply fan remote set point of the heating coil on SC input or compensated outside set point 1st Issue 01 05 27 DMP047E EXAMPLE 2 HOT WATER PLANT FOR FAN COILS OPERATION le ane The controller carries out control by P action of the supply i SC Aol SR temperature detected by the sensor 3 according to the function value of outside temperature sensor 1 by driving A i the proportional motorized valve 2 on the tapping circuit of t 4 1 oy Ll 5 the power station collector 2 i Possible variants control with minimum limit on the return fluid temperature sensor Time control through W500TM B controller ModBus supervision through W500TMB controller or proper additional module BusAdapter EXAMPLE 3 OUTSIDE AIR PLANT WITH TIME TEMPERATURE CONTROL OF HEATING COOLING ENVIRONMENT W500TMB OPERATION The P controller action performs time control of the room temperature sensor 2A or air exhaust sensor 2B by driving in sequence the valves on the heating 4B and cooling 4A coils The sensor on supply 3 minimum limit avoids that the air with a temper
22. e the value the BPC spe spp BPF emp Cooling Set Point value SPF plus Cooling Proportional Band BPF the relevant analogue output goes to 9 Vdc In this case if a heating Cooling sequence is required the two actuators must be connected n parallel to the same output selecting the range 1 5 Vdc with reverse action for the actuator which manages the heating channel while for the actuator managing the Cooling channel it is necessary to select the range 6 9 Vdc with direct action EF 1st Issue 01 05 5 DMP047E FOR THE 2 ON OFF DIGITAL RELAY OUTPUTS CAN BE SELECTED OUT A MODE 1D ON OFF HEATING HYSTERESIS If the output value must turn to ON when the value of the Control Sensor goes below the Operating Set minus the Hysteresis band c When the set point is achieved the relay output is in OFF status OFF y gt MODE 2D ON OFF COOLING HYSTERESIS 001 If the output value must turn to ON when the value of the ON fo Control Sensor goes above the Operating Set plus the Hysteresis band When the set point is achieved the relay output is in OFF F status OFF gt SPF BPF Temp MODE 3D HEATING COOLING HYSTERESIS FROM S W CHANGEOVER If it is required to enable the heating or cooling hysteresis through the contact input D i 2 to carry out a season changeover When the D i 2 contact is open the Loop passes to Heating control type under closed contact the Loop passes to Cooling contr
23. ed to the controller terminals the setting will be SSC 2 For each one of three sensors it is necessary to specify its location If the sensor is local it is necessary to state the proper IDL address 1st Issue 01 05 13 DMP047E ModBus R5485 105 1 105 1 ibS 1 ibS 1 idl 2 idL 3 idL 1 idL 4 ndL 4 ndl 4 ndl 4 ndL 4 ibS 2 ibS 2 ies 2 LinkBus idL 2 idL 3 idL 4 00 4 ndL 4 nol 4 LEGEND lbs Modbus address MB idL LinkBus address LB ndL Nr of LB connected devices Pr LinkBus In order to communicate the values through the Link Bus port it is also necessary to set the number of devices interconnected by the parameter NDL 4 max The equipments connected to the Link Bus which must not transmit data can be set with NDL 1 Such configuration is allowed to speed data exchange on the Link Bus but it is not recommended in case of data monitoring via ModBus The equipments connected to the Link Bus which do not communicate data can receive data from other equipments It is essential that the other equipments have the same NDL value as the number of the controllers communicating the values the equipments which do not communicate data have a higher IDL address The equipments which are RTC provided always use the their Operating Mode changeover ignoring the Link Bus signal The max advisable distance between the two equipments at the Link Bus ends is 10 m Th
24. ers which were previously saved by MEMORY DATA STORAGE function REMOTE SET When a control with Fixed point set is required the Compensation Sensor is not used In this case it is possible to connect a suitable potentiometer instead of the Compensation Sensor local input to carry out a remote setting of the Operation Set point PARAMETER SETTING Enable Compensation and define the four points of the line Keep into the account that TEMPERATURE 1 corresponds to the value read at a potentiometer end and TEM PERATURE 2 to the value read at the other end 1st Issue 01 05 12 DMP047E e SET 1 corresponding to TEMP 1 e SET 2 corresponding to TEMP 2 The value displayed by the Compensation Sensor is purely indicative and does not correspond to the actual temperature in C OUTSIDE SENSOR FROM SUPERVISION FOR COMPENSATION If the function is ON USE On it is possible to carry out compensation through a value sent from the Communication Bus with ModBus protocol supervision In practice it is a virtual sensor which can be used instead of a real sensor connected to SC terminal If for example there is only one outside sensor in the whole plant this function allows using its value on all controllers connected to the supervision system Similarly it would be possible from supervision to set a single Operation Set point for the different equipments connected LINK BUS COMMUNICATION The Link Bus serial communication port allows to 2
25. es while the Set point value of the Compensation Sensor increases It is possible to set both Negative and Positive Compensations both for Pet Max poo gt gt heating and for cooling control Loop sea 0h Each Operation Set point value both in heating and cooling control Loop can be associated to its own Setmin compensation curve expressed by a value pair a Temp min Temp max Sonda di e SET POINT 1 corresponding to TEMPERATURE 1 Compens Compens Compens e SET POINT 2 corresponding to TEMPERATURE 2 If the Compensation Sensor is present and the Compensation of an Operating Mode is enabled it is necessary to determine the four values of the curve Such values become eight in case of Operating Mode 3A 4A and 3D because it is necessary to set a compensation both for the heating and for the cooling loops In the latter case if compensation should be disabled for only one of the two Loops it is necessary to set the minimum Set point equal to the maximum value achieving a fixed operation Set point It is not possible to enable compensation in Operating Mode 4D The Compensation Sensor used is the one connected to SC input if not differently specified SC sharing see paragraph related to Link Bus To enable Compensation first connect or share the Compensation Sensor If compensation is enabled on any Operating Mode and the Compensation Sensor is not connected correctly to SC terminal or is not shared correctly w
26. freely set the loop on the second output PA2 as follows SETTING PARAMETERS FOR THE SECOND HEATING LOOP Set the Loop in MODE 1 heating Enable the Minimum limit Adjust the Control Set at the lowest value 50 C in this way the output stated by the Control Loop will always be zero Set the Minimum limit set Set the Proportional Band of the Minimum limit SETTING THE PARAMETERS FOR THE SECOND COOLING LOOP Set the Loop in MODE 2 Cooling Enable the Maximum limit Adjust the Control Set to the highest value equal to 150 C in this way the output stated by the Control Loop will always be zero Set the Maximum limit set Set the Proportional Band of the Maximum limit OPERATING MODE The equipment is able to operate according to three different operating modes which are 0 Comfort all loops are ON during control including the Limit Loop 1 Reduced the Control Loops operate on a reduced Set point The Limit Loops remain ON 2 Stop all loops are 0 including the Limit Loop The Operating Mode acts in parallel on all Control Loops also in Mode 4D sequence controller in which Comfort and Reduced modes have the same meaning The passage from an Operating Mode to another can take place as follows e Using the apposite Manual override key Ovr O If it is pressed repeatedly it is possible to access manually to one of the three modes This function is enabled on each Control Loop by setting ABO On For further det
27. ing Set Point value SPC minus the Heating Proportional Band BPC the relevant analogue output goes to 100 equivalent to10 Vdc MODE 2A COOLING LOOP OUT If the output value must increase while the Control Sensor 100 value goes above the Operating Set When the set point is achieved the output is zero If the control Temperature goes above the Cooling Set Point value SPF plus the Cooling Proportional Band BPF the relevant analogue output goes to 0 100 equivalent to 10 Vdc MODE 3A HEATING COOLING LOOP FROM S W yra CHANGEOVER WINTE SUMMER ON AAA If the Heating or Cooling Loop 15 enabled through the contact input D i 2 in order to carry out a season changeover When C F the D i 2 contact is open the Loop passes to Heating control type under closed contact the Loop passes to Cooling control type The two Set SPC SPF and the two proportional bands BPC BPF are independent OFF gt BPC SPC SPF BPF Temp MODE 4A HEATING LOOP COOLING IN SEQUENCE If it is required to exploit the 1 5 6 9 V control characteristic of V Out CONTROLLI actuators to realize a Heating Cooling sequence o with a unique 0 10 Vdc analogue output When the set point is achieved the output is 5 5 Vdc If the control Temperature 6 denota goes below the Heating Set Point value SPC minus Heating C Proportional Band BPC the relevant analogue output goes to 1 1 Vdc If the control Temperature goes abov
28. is distance should allow any connection inside the electrical board In case of power devices Contactors Inverters UPS reactors etc it is strongly recommended to use shielded cables with the screen connected to earth at one point only and to keep at a suitable distance 30 cm at least the power cables and the signal wires otherwise use metal pipes It is advisable to use a 24AWG or 26AWG twisted pair cable and do not carry out star connections For setting the Link Bus address and to select one of the sensors shared see page 16 MODBUS COMMUNICATION Through the ModBus protocol it is possible to supervise up to 255 groups of 4 equipments for a total of 1020 devices The ModBus connection is carried out on the equipment defined with IDL 1 Master through the RS485 serial port The values managed by supervision and those managed by the controller menu are the same For the address values of ModBus data refer to the proper DataBase documents supplied on request The wiring path between the two most distant devices connected to RS485 serial must not exceed 1000 m we recommend to use a 24AWG or 26AWG twisted pair cable and not to carry out star connections st Issue 01 05 14 DMP047E The first and the last device must be terminated by a 120 Ohm Y Watt resistance If devices from different manufacturers are present on the same communication Bus it is necessary to respect the limits imposed and to be careful not to use the same ModBus a
29. ith other devices the Anomaly led lights up and the control Set point becomes the value set for fixed point i e without Compensation For all compensation parameters settings see page 16 MINIMUM AND OR MAXIMUM LIMITS Limit Loops are P type only and always operate with fixed Set point If enabled they work in parallel to the control Loop For each Operating Mode except Mode 4D the minimum and or maximum limits are enabled individually In presence of active Limits the output values will be determined by the set parameters For each control Loop 4 settings are possible e Disabled limits e Minimum limit enabled e Maximum limit enabled e Minimum and a maximum limit enabled The behaviour of a limit Loop output will be different if the Loop is in heating or cooling Mode For 3A 4A and 3D operating Modes it will be possible to enable the minimum and or maximum limits both for heating and cooling Mode 1st Issue 01 05 8 DMP047E OUTA Modo Caldo Limite di Minima Limite di Massima 90 boa as Sab tee The term Minimum limit indicates a function intended to avoid that the temperature measured by the Limit Sensor SL goes below the specified values The term Maximum limit indicates a function Cc intended to avoid that the temperature measured by T Banda Banda onda the Limit Sensor SL overcomes the specified values ie a Aen Limite Min Max THEREFORE OUT Modo Caldo In a HE ATIN G L
30. ode 1 2 3 4 Automatic Manual enable Clock Compensated Set enable Min Low ON OFF limit enable Max High ON OFF limit enable Loop stop on 1 External enable 1 Loop stop on DI1 External enable 2 Other ON OFF control enable Switch off delay enable Switch on delay enable 01 05 25 Availability If clock is present W500TMB model If clock is present W500TMB model If clock is present W500TMB model If clock is present W500TMB model os eas eS If clock is present W500TMB model If clock is present W500TMB model If clock is present W500TMB model Availability If clock is present W500TMB model If clock is present W500TMB model If clock is present W500TMB model If clock is present W500TMB model If clock is present W500TMB model If clock is present W500TMB model If clock is present W500TMB model If clock is present W500TMB model If clock is present W500TMB model If clock is present W500TMB model If clock is present W500TMB model If clock is present W500TMB model O O A O SS Availability Always Always Availability Always Note for details about the Operating modes see also the data sheet Always Always With SC sensor With SL sensor With SL sensor Always 1 2 and 4 operating mode 3 Mode S W off Changeover Availability Always Always With SC 1 2 and 3 operating mode With SL 1 2 and 3 operating mode With SL 1 2 and 3 operating mode Always
31. ol type The two Set SPC SPF and the two proportional bands BPC BPF are independent MODE 4D ON OFF DELAY If it is required to enable or disable a relay output with a 607 ON DELAY OFF DELAY specified delay at stop and or start The delay is considered with Daisey erases respect to an event which can be ON p e Operating Mode NM and RF gt ON FA gt OFF if a stop and or start delay of a device following the Operating Mode is required e The status of one of the two digital inputs D i 1 or D i 2 if it is required a stop and or start delay of a device following the status of one or both dry contact inputs e The status of the other Relay output if it is required a stop and or start delay of a device following the status of the other digital relay output OFF RS RA Time The ON Delay RA and the Off Delay RS can be set individually in seconds The events generating the changeover are according to an OR logic which means that if more than one event condition is enabled it is sufficient that only one is true The maximum allowed delay is 60 minutes For all Set point and Band parameter settings see page 16 st Issue 01 05 6 DMP047E CONTROL TYPE Once the OPERATING MODE is stated it is necessary to set the CONTROL TYPE i e the control criteria used by the OPERATING MODE The control type can be e Proportional or Proportional Integral P or PH e With fixed operation set point or com
32. out time control of the saturation temperature 2 compensated with the outside temperature 7 by driving in sequence the valves on pre heat 3 and pre cool 4 coils The P action controller controls reheat temperature 6 The room humidistat 9 drives directly the humidifier its action is signalled to the controller As a variant the humidistat can be on air exhaust duct ModBus supervision is possible also displaying the on off humidifier Anti frost protection The thermostat 10 disables the fan and consequently the damper actuator 11 on the outside air is closed Possible variants fan control on air exhaust on Rel2 digital output with switch on delay with respect to the supply fan Rell Possible alternatives Electrical mono phase reheat coil with ON OFF action on Rel2 which controls supply temperature 6 1st Issue 01 05 29 DMP047E EXAMPLE 6 OUTSIDE AIR TIME PLANT AND WATER SERVICE CONTROL WITH RAPID EXCHANGER poco i OPERATION The PH action controller carries out time control of room temperature 6 driving the heating cooling coil with S W mode through changeover switch 4 and remote set through potentiometer selector 5 The P action controller maintains at the set value the water temperature detected by the sensor 8 to the user by driving the proportional valve 9 which mixes water from the waterworks and return with the water from the exchanger The 2 position safety thermostat 7 closes the v
33. pensated in function of Compensation Sensor e With or without minimum and or maximum limit in function of Limit Sensor At this point to improve the device understanding it is necessary to recall some basic concepts about the used control type used PROPORTIONAL CONTROL P Given a SET POINT required value the difference between this value and the VALUE detected by the Control Sensor is called ERROR A proportional control is obtained when the value of a controller output moves proportionally to the ERROR The PROPORTIONAL BAND determines the quantity of the action gain in function of ERROR When the ERROR is equal to the PROPORTIONAL BAND the output value is equal to 100 Setting a too small PROPORTIONAL BAND can generate oscillation phenomena of the output Setting an excessively wide PROPORTIONAL BAND can generate a change from the SET of the controlled temperature PROPORTIONAL CONTROL INTEGRAL P If to P action is added an I action the result is a more accurate control which takes into account the error variation in time It is necessary to define an INTEGRATION TIME which states the time after which the Proportional action is restored Generally INTEGRAL action is necessary when the PROPORTIONAL BAND allows a variation conferring to the INTEGRAL action the task to cancel the remaining error The two 0 10 Vdc analogue outputs can be P or P therefore the parameters to be set for each output will be e SET POINT with fi
34. perating Mode The Limit function OFF Banda Banda ee can also be used to create a Control Loop which Limite Set Set Limite Limite Minima Lim Lim Massima performs a control of the SL sensor value independently Min Max from sensor SR see following paragraph The Limit Sensor used is the one connected to SL input if not differently specified SL sharing see paragraph related to Link Bus Connect or share the Limit Sensor before enabling the minimum and or maximum Limit If the Limit is enabled on any Operating Mode and the Limit Sensor is not connected correctly to SL terminal or is not shared correctly with other devices the Anomaly Led switches on For all limit parameters settings see page 16 st Issue 01 05 9 DMP047E SECOND LOOP WITH LIMIT SENSOR If the first loop does not use the Limit Function it is possible to use the Limit Sensor as Control Sensor for the second Loop In this case the second loop can be P type only with fixed Set point It is necessary to set the values for the Control Loop in such a way that only the limit action becomes operating For example for a heating Loop that controls the SL sensor value set an Operating Mode 1 A or D set the Control Set point at the minimum value allowed 50 C and enable the Minimum limit The output controls the Set point and the Proportional Band of Minimum limit loop For example if the main control Loop on the first analogue output PA1 has been set
35. r selection for data load save restore and for W500TMB devices only also the time schedules for the automatic changeover of the weekly and daily Operating Mode For data navigation see Programme menu for operating mode and time schedules on page 21 Note the time schedules are present only on W500TMB st Issue 01 05 16 DMP047E PARAMETER CONFIGURATION MENU Level 1 Parameter selection Parameter modification o BRE Hour Set i 1 A o 8 Minute Set Parameters Mode 1A Push the Set Key to change of the relevant parameter The parameter value blinks showing the edit status push the Up and Down keys to change values Once the desired values are modified push the Set or Esc keys to exit 1st Issue 01 05 17 DMP047E Parameters Mode 2A Push Set key to select the parameter to be modified The parameter value blinks showing the edit status push the Up and Down keys to change values Once the desired values are modified push the Set or Esc keys to exit Parameters Mode 3A Mode 4A The parameter menu of the Analogue Operating Modes 3A 4A is the sum of 1A 2A Modes parameter menus This Menu contains all parameters since this modes are intended manage both heating and cooling control loops Push Set key to select the parameter to be modified The parameter value blinks showing the edit status push the Up and Down keys to change values Once the desired values are modified push the Set or Esc keys
36. r to set date and time scroll the menu at the level 1 until the corresponding label rtc is reached The label 000 days 000 Monday appears by pushing the Set key Push the buttons Up or Down to set If the key are not pushed for some seconds or by pressing Set the label h00 hours and 00 minutes appears push the buttons Up and Down to set respectively hour and minutes To confirm and save push Set If the keypad is not pushed or by pressing the Esc key once the start value appears PA1 label corresponds to the Parameters of Analogue output 1 at Aol terminal PA2 label corresponds to the Parameters of Analogue output 2 at Ao2 terminal Pd1 label corresponds to the Parameters of Digital output 1 of Rell relay Pd2 label corresponds to the Parameters of Digital output 2 of Rel2 relay To modify a parameter it is necessary to push Set after selecting the corresponding Label the parameter value blinks and can be changed by pushing the keys Up to increase or Down to decrease Push Set or Esc to exit For the complete control parameter navigation see the Parameter Configuration Menu scheme on page 17 By pushing the Set key for at least 5 seconds Level 2 appears At this menu level it is possible to set the Operating Set decrease to Reduced mode the operating modes of the two analogue outputs PA1 and PA2 and of the two relay digital outputs Pd1 and Pd2 the address parameters for communication for senso
37. rol Loop the Outside enable AE1 or AE2 a value On has been started it is possible to start and or stop the Loop from an outside contact If both the outside enables are ON the Control Loop stops only if both contacts are open For clock models the contact enables only the loop outside the operating time if the equipment is On from the clock it cannot be set to off by digital input If the Loop is configured to operate in Mode 3A or 3D Heating Cooling by S W Changeover the digital input 2 is used only for this purpose The enabling from contact acts a priority with respect to the other changeovers from clock or manual override with Ovr key Operating Mode Contact D i 1 Contact D i 2 ON AEl 00 AE2 00 0060 Closed Open Closed COMFORT STOP COMFORT STOP COMFORT RIDOTTO STOP REDUCED STOP REDUCED STOP STOP COMFORT STOP COMFORT This function is not ON in 3A and 3D modes FACTORY DATA LOAD Through this function it is possible if required to reset all the factory settings of parameters This function is useful for example when the user has set different values and requires restoring the initial conditions in a short time STORING DATA IN PERMANENT MEMORY Once the parameters for a plant are set it is possible to store such settings in order to restore them when required LOADING DATA FROM PERMANENT MEMORY This function allows restoring all the configurations and the paramet
38. st Issue Default Range 3 20000 ine 010 3 010 3 010 3 010 3 010 3 010 3 0103 Default Range 7 30 0 12 30 1 13 30 0 19 0 2 0 to 23 0 to 59 0102 0 to 23 0 to 59 0102 0 to 23 0 to 59 0102 0 to 23 0 to 59 0102 Default Range 3 5 1 OFF OFF OFF OFF OFF OFF OFF 0 to 20 0 to 20 Default Range 1104 Default Range A OFF OFF OFF OFF OFF OFF OFF OFF OFF 1to4 Description Fixed mode or daily schedule NM RF FA PG Fixed mode or daily schedule NM RF FA PG Fixed mode or daily schedule NM RF FA PG Fixed mode or daily schedule NM RF FA PG Fixed mode or daily schedule NM RF FA PG Fixed mode or daily schedule NM RF FA PG Fixed mode or daily schedule NM RF FA PG Description Change over time 1 Change over minutes 1 Change over mode 1 NM RF FA Change over time 2 0 23 Change over minutes 2 0 59 Change over mode 2 NM RF FA Change over time 3 0 23 Change over minutes 3 0 59 Change over mode 3 NM RF FA Change over time 4 0 23 Change over minutes 4 0 59 Change over mode 4 NM RF FA Description Heating Set decrease Cooling Set decrease Description Operating mode 1 2 3 4 Automatic Manual enable Clock Integral action enable Compensated set enable Min limit loop Low enable Max limit loop High enable Loop stop on DI1 External enable 1 Loop stop on DI2 External enable 2 Description Operating m
39. xed point control e PROPORTIONAL BAND e INTEGRATION TIME if action is enabled The 2 relay outputs can be only P the parameters to be set will be e SET POINT with fixed point control e HYSTERESIS BAND The Control Sensor used is the one connected to SR terminal if not differently specified SR sharing see paragraph related to Link Bus If the control sensor is not connected correctly to SR terminal or is not shared correctly with other devices the Anomaly led lights up In the OPERATING MODE 4D the relay output behaves as a timed sequencer and it controls in function of time events and not in function of temperature See page 21 to set the Operating Modes and control types st Issue 01 05 7 DMP047E SET POINT COMPENSATION The operation SET POINT can be fixed or determined by a compensation curve in function of the value read by the relevant sensor The compensation curve is a broken line passing between two points defined by four values 10 function of the value read by the Sensor a SET POINT et min value in a range between a minimum and a maximum will Set point Set max Compensazione Negativa 1 1 i 1 1 1 1 1 L 1 1 1 be defined Negative Compensation occurs when the Temp min Temp max Eonia di Operation Set point increases while the value measured by POMEEHS POMBets CARERS the compensation sensor decreases Positive Compensation occurs when the Operation Set point increas

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