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TROVIS 5500 Automation System
TROVIS 5571 Programmable Logic
Controller (PLC)

Standard Application for Lag/Lead Sequence WT71

Operating Instructions

EB 5571-2 EN

®

Electronics from SAMSON 

Firmware version 1.50
Edition January 2014

Summary of Contents for TROVIS 5500

Page 1: ...utomation System TROVIS 5571 Programmable Logic Controller PLC Standard Application for Lag Lead Sequence WT71 Operating Instructions EB 5571 2 EN Electronics from SAMSON Firmware version 1 50 Edition...

Page 2: ...tain important information on the installation electrical connection start up and communication of the TROVIS 5571 Programmable Logic Controller 4 The device may only be assembled started up or opera...

Page 3: ...eat exchanger 22 4 1 Parallel operation 22 4 2 Lag lead sequence control 22 4 2 1 Unrestricted sequence 23 4 2 2 Outdoor temperature dependent sequence 23 4 2 3 Sequence lock over the binary input 24...

Page 4: ...tation 37 7 6 Condensate accumulation control 38 7 7 Three step control 39 7 8 Continuous control 40 7 9 Processing an external demand 42 7 10 Separate set point 43 7 11 Position feedback 43 7 12 Forw...

Page 5: ...1 1 1 Operating keys The keys are located in the front panel of the PLC and protected by a Plexiglas door Changeover key press with pen or other pointed item Switch between the operating level and se...

Page 6: ...ight mode Standby mode The heat exchanger only works when there is a demand for domestic hot water or a demand for an external set point The protective functions remain active Night mode reduced mode...

Page 7: ...lect operating mode Confirm selected operating mode Exit setup menu Select Zur ck Back Exit overview menu Display Start screen EB 5571 2 EN 7 Operation bersicht Anl x x Betriebsart Tag Freigabe 1 F hr...

Page 8: ...r Display bersicht Overview Select Service Open the service menu Display Service The Language menu item is highlighted Select Language menu item Select language Confirm language selected After selecti...

Page 9: ...t exchanger 2 and 3 running heat exchanger 1 switched off Lead heat exchanger based on selection 4 1 2 3 Heat exchanger 1 2 and 3 running Lead heat exchanger based on selection If more than one heat e...

Page 10: ...m Activate the controller editing mode for F hrungstau scher lead heat exchanger Display F hrungstauscher lead heat exchanger blinks Set lead heat exchanger Confirm setting Exit overview Select Zur ck...

Page 11: ...system time set in the PLC 4 Automatic summer time The summer time is automatically set on the last Sunday in March at 02 00 h and the winter time on the last Sunday in October at 03 00 h The control...

Page 12: ...change the current setting on off of the Automatic summer time function Activate function Automatic summer time Ein On Deactivate function Automatic summer time Aus Off Exit the Datum Uhrzeit Date Tim...

Page 13: ...em Anl x 0 If a consumer on the secondary side exists the setting is performed in the menu bersicht Pa rameter Heizkreis 1 3 The time schedules of DHW heating is programmed separately for the DHW and...

Page 14: ...e steps of 30 minutes Confirm stop time Display Start time of the second time schedule blinks The second time schedule is set like the first time schedule To set the time schedules for each day repeat...

Page 15: ...Feiertage Public holidays menu item Display Feiertage Public holidays Activate the editing mode for public holidays Display 0 first figure for day of month blinks Select date Confirm date Display 01 f...

Page 16: ...ameters as the parameters of the application are reset to the default settings on changing the system code number Before setting the parameters in the service menu the application key number must be e...

Page 17: ...at exchanger 3 Heating circuit 1 Heating circuit 2 Heating circuit 3 DHW heating System Anl 1 x System Anl 2 x System Anl x 0 System Anl x 1 System Anl x 2 System Anl x 3 System Anl x 4 System Anl x 5...

Page 18: ...triebsart Operating mode menu item is highlighted Opening the service menu Activate the controller editing mode Display Schl sselzahleingabe Key number entry 0000 blinks Enter application key number C...

Page 19: ...diting mode for Anlage konfigurieren Configure system The system configuration starts with system Anl 1 0 two heat exchangers Select third heat exchanger Confirm selection Select heating circuit 1 Sel...

Page 20: ...t exchangers is to be chan ged proceed as follows Select required heat exchanger W rmetauscher 1 3 Activate the editing mode for W rmetauscher x Display W rmetauscher x Heat exchanger x The menu item...

Page 21: ...nd a shut off valve Kl are in cluded in the control Heat exchangers that are not in operation are shut off hydraulically by the shut off valve Kl1 Kl2 or Kl3 As soon as a heat exchanger starts running...

Page 22: ...nable lag lead sequence 2 bersicht Parameter Allgemein Folgebetrieb Parameters WE Adjustment range Folge sequence parallel Depending on outdoor temp Outdoor temperature dependent unrestricted parallel...

Page 23: ...energy required to heat the flow temperature The lag heat exchanger first stops running when the total of the modulation of all the heat exchangers is smaller than the OFF switching point parameter 2...

Page 24: ...emperature is de termined by the binary input The outdoor sensor is not required 2 bersicht Parameter Allgemein Folgebetrieb Parameter WE Adjustment range Folge sequence Au entemp abh ngig outdoor tem...

Page 25: ...es are above this limit the smaller heat exchanger leads Whereas when the outdoor temperatures are below the limit the larger heat exchanger leads To prevent a lag lead sequence change when the outdoo...

Page 26: ...e can take place Parameter WE Adjustment range F hrungswechsel sequence change Betreib Std operating hours AUS Outdoor temp rating operating hours OFF Folgeumkehr Intervall time interval for lag lead...

Page 27: ...Note The programming of times of use and public holidays are described in detail in section 1 7 Systems without consumers on the secondary side 2 bersicht Parameter Allgemein Zeitprogramme Systems wi...

Page 28: ...ture is controlled according to the outdoor temperature The heating characteristic in the controller defines the flow temperature set point as a function of the outdoor temperature Fig 1 28 EB 5571 2...

Page 29: ...mperature Examples for adjusting the characteristic 4 Old building radiator design 90 70 Gradient approx 1 8 4 New building radiator design 70 55 Gradient approx 1 4 4 New building radiator design 55...

Page 30: ...e selected after the application key number has been entered Parameter WE Adjustment range Kennlinienart type of character istic 4 Punkte four point Steigung Four point gradient fixed set point 2 bers...

Page 31: ...C 20 to 160 C Vorlauftemp max max flow temperature 90 C 20 to 120 C Vorlauftemp min min flow temperature 20 C 20 to 120 C 5 1 3 Fixed set point control The flow temperature can be regulated to a fixed...

Page 32: ...n Systems with consumers on the secondary side 2 bersicht Parameter Heizkreis 1 3 Parameters WE Adjustment range Vorlauftemp Sollwert flow temperature set point 70 C 20 to 160 C Absenkdifferenz set ba...

Page 33: ...nt defines the set point at the flow sensor VFg Operation with storage tank thermostat BE3 to ModBus I O 1402 0328 3 The storage tank thermostat is connected at SF1 and switches the storage tank charg...

Page 34: ...flow tempe rature limitation suspended 4 excessively high storage temperatures after thermal disinfection has been concluded 4 lime scale possibly which can have a negative effect on heat exchanger pe...

Page 35: ...of use can be entered individually for each day of the week or together for all days of the week Monday to Sunday Note The programming of times of use and public holidays are described in detail in s...

Page 36: ...tdoor temperature dependent deactivation works separately from the summer mode function 7 2 Summer mode Summer mode is activated depending on the mean daytime temperature measured between 7 00h and 22...

Page 37: ...oes not replace the function of a safety temperature limiter 7 5 Return flow temperature limitation The return flow temperature limitation is performed separately for each heat exchanger If the temper...

Page 38: ...he controller for R F3 heat exchanger WT3 Note To be able to keep to the defined return flow temperature limit make sure that the hea ting characteristic is not selected too steep and the speed of the...

Page 39: ...valve to travel through the range of 0 to 100 Heat exchanger control circuit Rk1 to Rk3 The control valves are connected to the binary outputs listed below 4 BA3 and BA4 of the controller for heat exc...

Page 40: ...portional component immediately causes the 0 to 10 V signal to change the greater KP the greater the change The integral components becomes effective with time TN represents the time which elapses unt...

Page 41: ...r heating circuit HK1 4 AA6 at ModBus I O 1402 0328 2 for heating circuit HK2 4 AA6 at ModBus I O 1402 0328 3 for heating circuit HK3 Note Alternative assignment is shown in section 8 1 2 bersicht Ser...

Page 42: ...to 10 V correspond to the range External demand 0V to External demand 10V 2 bersicht Parameter Allgemein Parameter WE Adjustment range Externer Bedarf 0V external demand 0 C 0 to 150 C Externer Bedarf...

Page 43: ...is issued as a signal 4 Position feedback SRM1 at UE5 heat exchanger WT1 0 to 10 V or 1 to 2 k 4 Position feedback SRM2 at UE4 heat exchanger WT2 0 to 10 V or 1 to 2 k 4 Position feedback SRM3 at Mod...

Page 44: ...ontroller over Modbus 2 bersicht Parameter Allgemein Parameter WE Adjustment range Au entemp senden St Nr send outdoor temp to st no AUS AUS off 5 to 255 Note This function is available in firmware ve...

Page 45: ...e tank charging pump AF Outdoor sensor R F1 3 Heat exchanger return flow sensor R F4 6 Heating circuit return flow sensor SF Storage tank sensor VF1 3 Heat exchanger flow sensor VF4 6 Heating circuit...

Page 46: ...2 11 10 9 8 7 6 5 4 2 3 1 GND AA_GND RK1 RK2 Frg_WT1 Frg_WT2 SM_WT1 SM_WT2 SM_Pu1 SRM1 SM_Pu2 AF R F1 R F2 VF1 VF2 SRM2 VFg WWA ext Bdf L1 N MODBUS RS 232 _ _ RK2 Pu1 Pu2 L1 L1 L1 N BA9 BA8 BA7 BA6 BA...

Page 47: ...SRM1 SM_Pu2 AF R F1 R F2 VF1 VF2 SRM2 VFg WWA ext Bdf L1 N MODBUS RS 232 _ _ RK2 Pu1 Pu2 L1 L1 L1 N BA9 BA8 BA7 BA6 BA4 BA10 BA12 BA11 BA5 BA3 50 49 48 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46...

Page 48: ...SRM1 SM_Pu2 AF R F1 R F2 VF1 VF2 SRM2 VFg WWA ext Bdf L1 N MODBUS RS 232 _ _ RK2 Pu1 Pu2 L1 L1 L1 N BA9 BA8 BA7 BA6 BA4 BA10 BA12 BA11 BA5 BA3 50 49 48 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46...

Page 49: ...EB 5571 2 EN 49 RK5 HK2 GND AA6 BE5 BE4 BE3 BE2 BE1 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 R F5 VF5 GND HK2 _ Pu5 HK2 L1 L1 BA3 BA4 BA1 BA2 3 2 1 6 5 4 8 7 1402 0328 2 L1 N 230 V AC N N...

Page 50: ...SRM1 SM_Pu2 AF R F1 R F2 VF1 VF2 SRM2 VFg WWA ext Bdf L1 N MODBUS RS 232 _ _ RK2 Pu1 Pu2 L1 L1 L1 N BA9 BA8 BA7 BA6 BA4 BA10 BA12 BA11 BA5 BA3 50 49 48 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46...

Page 51: ...7 16 15 14 13 12 11 10 9 R F6 VF6 GND HK3 _ Pu6 HK3 L1 L1 BA3 BA4 BA1 BA2 3 2 1 6 5 4 AA6 BE5 BE4 BE3 BE2 BE1 21 20 19 18 17 16 15 14 13 12 11 10 9 R F5 VF5 GND HK2 _ Pu5 HK2 L1 L1 BA3 BA4 BA1 BA2 3 2...

Page 52: ..._WT2 SM_Pu1 SRM1 SM_Pu2 AF R F1 R F2 VF1 VF2 SRM2 VFg WWA ext Bdf L1 N MODBUS RS 232 _ _ RK2 Pu1 Pu2 L1 L1 L1 N BA9 BA8 BA7 BA6 BA4 BA10 BA12 BA11 BA5 BA3 50 49 48 31 32 33 34 35 36 37 38 39 40 41 42...

Page 53: ...SM_Pu2 AF R F1 R F2 VF1 VF2 SRM2 VFg WWA ext Bdf L1 N MODBUS RS 232 _ _ RK2 Pu1 Pu2 L1 L1 L1 N BA9 BA8 BA7 BA6 BA4 BA10 BA12 BA11 BA5 BA3 50 49 48 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 R...

Page 54: ...SM_Pu2 AF R F1 R F2 VF1 VF2 SRM2 VFg WWA ext Bdf L1 N MODBUS RS 232 _ _ RK2 Pu1 Pu2 L1 L1 L1 N BA9 BA8 BA7 BA6 BA4 BA10 BA12 BA11 BA5 BA3 50 49 48 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 R...

Page 55: ...EB 5571 2 EN 55 RK5 HK2 GND AA6 BE5 BE4 BE3 BE2 BE1 21 20 19 18 17 16 15 14 13 12 11 10 9 R F5 VF5 GND HK2 _ Pu5 HK2 L1 L1 BA3 BA4 BA1 BA2 3 2 1 6 5 4 8 7 1402 0328 2 L1 N 230 V AC N N...

Page 56: ...WT2 SM_Pu1 SRM1 SM_Pu2 AF R F1 R F2 VF1 VF2 SRM2 VFg WWA ext Bdf L1 N MODBUS RS 232 _ _ RK2 Pu1 Pu2 L1 L1 L1 N BA9 BA8 BA7 BA6 BA4 BA10 BA12 BA11 BA5 BA3 50 49 48 31 32 33 34 35 36 37 38 39 40 41 42 4...

Page 57: ...EB 5571 2 EN 57 AA6 BE5 BE4 BE3 BE2 BE1 21 20 19 18 17 16 15 14 13 12 11 10 9 SRM3 GND RK3 _ Kl3 L1 L1 BA3 BA4 BA1 BA2 3 2 1 6 5 4 SM_WT3 SM_Pu3 GND GND Frg_WT3 _ 8 7 1402 0328 4 L1 N 230 V AC N N...

Page 58: ...SRM1 SM_Pu2 AF R F1 R F2 VF1 VF2 SRM2 VFg WWA ext Bdf L1 N MODBUS RS 232 _ _ RK2 Pu1 Pu2 L1 L1 L1 N BA9 BA8 BA7 BA6 BA4 BA10 BA12 BA11 BA5 BA3 50 49 48 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46...

Page 59: ...EB 5571 2 EN 59 AA6 BE5 BE4 BE3 BE2 BE1 21 20 19 18 17 16 15 14 13 12 11 10 9 SRM3 GND RK3 _ Kl3 L1 L1 BA3 BA4 BA1 BA2 3 2 1 6 5 4 SM_WT3 SM_Pu3 GND GND Frg_WT3 _ 8 7 1402 0328 4 L1 N 230 V AC N N...

Page 60: ...SRM1 SM_Pu2 AF R F1 R F2 VF1 VF2 SRM2 VFg WWA ext Bdf L1 N MODBUS RS 232 _ _ RK2 Pu1 Pu2 L1 L1 L1 N BA9 BA8 BA7 BA6 BA4 BA10 BA12 BA11 BA5 BA3 50 49 48 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46...

Page 61: ...1 10 9 SRM3 GND RK3 _ Kl3 L1 L1 BA3 BA4 BA1 BA2 3 2 1 6 5 4 AA6 BE5 BE4 BE3 BE2 BE1 21 20 19 18 17 16 15 14 13 12 11 10 9 R F5 VF5 GND HK2 _ Pu5 HK2 L1 L1 BA3 BA4 BA1 BA2 3 2 1 6 5 4 SM_WT3 SM_Pu3 GND...

Page 62: ...SRM1 SM_Pu2 AF R F1 R F2 VF1 VF2 SRM2 VFg WWA ext Bdf L1 N MODBUS RS 232 _ _ RK2 Pu1 Pu2 L1 L1 L1 N BA9 BA8 BA7 BA6 BA4 BA10 BA12 BA11 BA5 BA3 50 49 48 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46...

Page 63: ...BE3 BE2 BE1 21 20 19 18 17 16 15 14 13 12 11 10 9 R F6 VF6 GND HK3 _ Pu6 HK3 L1 L1 BA3 BA4 BA1 BA2 3 2 1 6 5 4 AA6 BE5 BE4 BE3 BE2 BE1 21 20 19 18 17 16 15 14 13 12 11 10 9 R F5 VF5 GND HK2 _ Pu5 HK2...

Page 64: ...9 8 7 6 5 4 2 3 1 GND AA_GND RK1 RK2 Frg_WT1 Frg_WT2 SM_WT1 SM_WT2 SM_Pu1 SRM1 SM_Pu2 AF R F1 R F2 VF1 VF2 SRM2 VFg WWA ext Bdf L1 N MODBUS RS 232 _ _ RK2 Pu1 Pu2 L1 L1 L1 N BA9 BA8 BA7 BA6 BA4 BA10...

Page 65: ...10 9 SRM3 GND RK3 _ Kl3 L1 L1 BA3 BA4 BA1 BA2 3 2 1 6 5 4 AA6 BE5 BE4 BE3 BE2 BE1 21 20 19 18 17 16 15 14 13 12 11 10 9 SF2 SF1 GND Pu3 L1 BA3 BA4 BA1 BA2 3 2 1 6 5 4 SM_WT3 SM_Pu3 GND GND Frg_WT3 _...

Page 66: ...2 SM_Pu1 SRM1 SM_Pu2 AF R F1 R F2 VF1 VF2 SRM2 VFg WWA ext Bdf L1 N MODBUS RS 232 _ _ RK2 Pu1 Pu2 L1 L1 L1 N BA9 BA8 BA7 BA6 BA4 BA10 BA12 BA11 BA5 BA3 50 49 48 31 32 33 34 35 36 37 38 39 40 41 42 43...

Page 67: ...9 SRM3 GND RK3 _ Kl3 L1 L1 BA3 BA4 BA1 BA2 3 2 1 6 5 4 AA6 BE5 BE4 BE3 BE2 BE1 21 20 19 18 17 16 15 14 13 12 11 10 9 SF2 SF1 GND HK3 _ Pu6 HK3 L1 L1 BA3 BA4 BA1 BA2 3 2 1 6 5 4 SM_WT3 SM_Pu3 GND GND F...

Page 68: ...2 SM_Pu1 SRM1 SM_Pu2 AF R F1 R F2 VF1 VF2 SRM2 VFg WWA ext Bdf L1 N MODBUS RS 232 _ _ RK2 Pu1 Pu2 L1 L1 L1 N BA9 BA8 BA7 BA6 BA4 BA10 BA12 BA11 BA5 BA3 50 49 48 31 32 33 34 35 36 37 38 39 40 41 42 43...

Page 69: ...BE4 BE3 BE2 BE1 21 20 19 18 17 16 15 14 13 12 11 10 9 SF2 SF1 GND Pu3 L1 BA3 BA4 BA1 BA2 3 2 1 6 5 4 AA6 BE5 BE4 BE3 BE2 BE1 21 20 19 18 17 16 15 14 13 12 11 10 9 HK2 _ Pu5 HK2 L1 L1 BA3 BA4 BA1 BA2...

Page 70: ...ent Systems Anl 1 x L1 N L1 L1 BA4 BA3 31 32 33 34 35 Anl 1 1 1 2 1 3 1 5 1 6 Pu4 HK1 RK1 and HK1 stetig TROVIS 5571 WT71 L1 N _ L1 L1 BA4 BA3 31 32 33 34 35 HK1 Anl 1 1 1 2 1 3 1 5 1 6 L1 N L1 L1 BA4...

Page 71: ...BA6 BA4 BA5 BA3 31 32 33 34 35 36 37 38 RK1 Anl 1 1 1 2 1 3 Pu4 HK1 Anl 1 4 Anl 1 5 1 6 L1 N _ L1 L1 L1 BA6 BA4 BA5 BA3 31 32 33 34 35 36 37 38 RK1 SLP L1 N _ L1 L1 BA6 BA4 BA5 BA3 31 32 33 34 35 36 3...

Page 72: ...t Systems Anl 2 x L1 N _ L1 L1 BA4 BA3 31 32 33 34 35 Kl3 Anl 2 0 2 1 2 2 2 3 2 4 2 5 2 6 RK1 stetig TROVIS 5571 WT71 L1 N _ L1 L1 BA6 BA4 BA5 BA3 31 32 33 34 35 36 37 38 RK1 Anl 2 0 2 1 2 2 2 3 2 4 2...

Page 73: ...0 2 1 2 2 2 3 Pu3 L1 N _ L1 L1 BA6 BA4 BA5 BA3 31 32 33 34 35 36 37 38 RK1 Anl 2 4 2 5 2 6 Pu3 SLP RK2 und RK3 stetig TROVIS 5571 WT71 Anl 2 0 2 1 2 2 2 3 Kl3 L1 L1 BA3 BA4 BA1 BA2 3 2 1 6 5 4 _ Pu3...

Page 74: ...or sequence operation SR Eingang position feedback input 1000 2000 Ohm 0 10 V 1000 2000 Ohm Signal for position feedback Ventil Messbereich min min valve measuring range 1000 to 2000 Ohm or 0 to 10 V...

Page 75: ...mp activated Control parameters Kp 0 1 to 99 9 1 0 Gain factor of heat exchanger control circuit Tn 0 to 999 s 30 s Reset time of heat exchanger control circuit Tv 0 to 999 s 0 s Derivative action tim...

Page 76: ...l algorithm of heating circuit 2 bersicht Parameter Heizkreis HK1 HK3 Parameters Adjustment range WE Comments Kennlinie characteristic Definition of four point characteristic only with type of charate...

Page 77: ...ed set point control only with type of charateristic fixed set point Absenkdifferenz set back difference 0 to 30 C 15 C Set back of flow temperature set point during unoc cupied time only with type of...

Page 78: ...0 h Block entry for all days of the week Montag Mon Separate entry for each day of the week NOTE The block entry writes over all times of use pro grammed separately for a day of week Dienstag Tue Mitt...

Page 79: ...tion Note Only with active storage tank sensors Montag Sonntag Mon Sun As required 7 00 to 22 00 h Block entry for all days of the week Montag Mon Separate entry for each day of the week NOTE The bloc...

Page 80: ...s required 7 00 to 22 00 h Separate entry for each day of the week NOTE The block entry writes over all times of use pro grammed separately for a day of week Freitag Fri Samstag Sat Sonntag Sun 80 EB...

Page 81: ...e set point during unoccupied time fixed set point control Vorlauftemp max max flow temp 20 to 120 C 90 C Flow temperature limitation of entire sys tem Vorlauftemp min min flow temp 20 to 120 C 20 C R...

Page 82: ...r lead lag change Folgeumkehr GW ta reverse sequence li mit ta 40 to 50 C 15 C Outdoor temperature dependent lead lag change Outdoor temperature limit Folgeumkehr Intervall time interval for lag lead...

Page 83: ...Begrenzung Xw Auf C limit Xw OPEN AUS 2 to 10 C AUS Attenuation intensity for the condensate accumulation control Separater Sollwert separate set point EIN on AUS off AUS Activation input of the fixed...

Page 84: ...84 EB 5571 2 EN Appendix...

Page 85: ...EB 5571 2 EN 85 Appendix System key number 1732 Application key number 1952...

Page 86: ...SAMSON AG MESS UND REGELTECHNIK Weism llerstra e 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 Internet http www samson de EB 5571 2 EN 2014 08...

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