Home

- Show more

1. Aa Adjust L79xN Config Gg Joj x Read 4 TAA Tite all Set Defaults Info Help Cancel FW 111 Dew point x 20 second gt fo lt gt Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 3 19 Saia Burgess Controls AG Function Functions regulation User defined Operation Mode OccMode on power up Selection of a user defined Operation Mode OccMode on power up This is assistant when the Operation Mode of the controller will be changed over a timer clock HVC Clocks or when the controller will be used in stand alone without S Bus connection There are different possibilities to change this parameter ES 1 Adjustment in the Room FBox Mode after Power on gt Reduced Reduced Might This can be useful if no timer clock is used for the changing of the operation mode 2 Adjustment over the DefOcc variable form symbol editor ref Channel L79xN Room En Room 0 J Clk_D En_Clk En Ch Room L 9x Room1 DefOcc This can be useful if a timer clock or superior system is used for the changing of the operation mode 3 Adjustment over writing directly the Register 25 for example with the Debugger Value 0 gt Comfort Value 1 gt Reduced Value 2 gt Standby Value 5 gt Reduced Night This can be useful if the controller works in stand alone without S Bus communication Manual for PCD7 L79xN room controllers
2. Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 3 16 Saia Burgess Controls AG Function 3 3 Functions control Functions control Operating mode Frost protecti XW rost protection Comton Standby Reduced The room controller can work in one of the 4 operating modes Frost protection Reduced Standby or Comfort The operating mode depends on the window contact a preset value and the presence sensor Window contact If the window is open the controller only works in Frost protection mode For all other functions the window must be closed See window contact Change the Mode The Room FBox input OccMode or register 36 can be used to select the operating mode ref Channel L79xN Room En_Room1 0 5 CkD En Ch En_Clk Room L 9x Room1 DefOcc Comfort The controller works permanently in Comfort mode Reduced Where no presence is detected the controller is in Reduced mode Where a presence is detected Comfort mode is activated for a definable time This time is configurable via the Config FBox or in register 0 2 Standby Where no presence is detected the controller is in Standby mode Where a presence is detected the operating mode switches to Comfort Where no presence is detected any longer Standby is reactivated Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 3 17 Saia Burgess Con
3. Default 2 without stage 1 stage 2 stage 3 stage 4 10 Function of aux contact on terminal E2 Default 0 The contact status can be determined independently of the function using register 70 1 Contact open 0 Contact closed 0 No regulation control function 1 Second window contact 2 Change over between Heating and Cooling mode 1 Cooling contact open O Heating contact closed see register 38 3 A 1 2 0 1 2 3 4 5 stage 5 Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 5 3 Saia Burgess Controls AG Register usage Registers configuration Registers Description The outputs pass a PWM signal to the Triac outputs The outputs pass a constant signal to the 0 10 V outputs Heat on PWM Y1 Cool on 0 10 V Y4 Heat on 0 10 V Y3 Cool on PWM Y2 Use of Triac outputs as a 3 point signal for a 3 point valve The valve run time is given by the PWM cycle time parameter in register 11 Bullet valve on Y3 heating amp cooling 105 Window contact polarity When the window is closed the window contact is also closed When the window is closed the window contact is open O 09 e f o Control parameters Run down time in Comfort mode in 10 minute steps Range 0 24 0 240 minutes default 0 0 minutes Neutral zone in Comfort mode unit K 10 Range 0 200 0 1 0 K step Default 20 Neutral zone in Standby mode unit K
4. to proceed Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 2 3 Saia Burgess Controls AG Commissioning instructions Procedure for the temperature calibration on commissioning 2 3 Procedure for the temperature calibration on commissioning A predefined static and dynamic offset are already configured in the factory settings but as common known to get a better accuracy it is necessary to make a calibration for the different ambient and installation conditions on the commissioning 1 Static calibration Register 8 a Power on of the controller without connected thermal valves or deactivation of the PWM outputs b After several hours of operation the temperature has to be measured near to the lower air slots and to compare with the measured temperature of the con troller Location where the air temperature has to be mesured c The calibration can be set in the Room FBox Correction temperature K or it can be written to register 8 at Adjust L794N Room l Ioj x Cancel Uyvnamic correction Note This parameter is only applicable if the temperature sensor is selected as L79x in the config FBox Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 2 4 Saia Burgess Controls AG Commissioning instructions Procedure for the temperature calibration on commissioning Carry out only if necessary 2 Dynamic calibration Register 29 Th
5. 10 Range 10 200 1 1 0 K step Default 40 Neutral zone in Reduced mode unit K 10 Range 10 200 1 1 0 K step Default 60 Proportional band for cooling unit K 10 Range 5 100 0 5 10 0 K default 50 Run down time for cooling unit seconds A value of 0 disables the integer portion pure P control Range 0 1000 seconds default 0 Proportional band for heating unit K 10 Range 5 100 0 5 10 0 K default 50 Q9 N Base set point for initialising the controller after a restart unit C 10 Range 100 350 10 0 35 0 C default 22 106 Run down time for heating unit seconds A value of 0 disables the integer portion pure P control Range 0 1000 seconds default 0 140 Valve limit for cooling CoolY Range 0 100 default 100 141 Valve limit for heating HeatY Range 0 100 default 100 Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 5 4 Saia Burgess Controls AG Register usage Registers configuration 5 2 Registers actual values This table gives the register address information on the type of access allowed R Read W Write and a description Room control unit 21 Manual set point adjustment in K Presence sensor ee f N 0 Presence 1 No presence Regulation and control parameters 30 R W Bus room temperature See Configuration register 13 31 R W Control mode default O automatic 1
6. Aux Window Aux RS485 0 10V Contact Input Serial S Net RS485 er Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 6 8 Saia Burgess Controls AG Technical data Type description 6 2 3 Technical data for PCD7 L792N 24 VAC compact room controller for heating or cooling with 2 TRIAC outputs to control two thermal valves PWM or one 3 point valve open close an integrated temperature sensor and 2 digital inputs with analogue operation for set point setting and presence sensor with LED display CE PCD7 L791N a Oaea e eT av o 24V Power K 800 mA K 7 Poy S Bus Window Aux RS485 Contact Input ere ee a E E ote ae eee ee n Power supply 24 V GND 24 VAC 1 5 W typ without actuating drives Outputs mo e ee Valves Y1 Y2 Y1 GND Y2 Triac outputs 24 VAC 10 800 mA to control 2 valves with PWM signal or one 3 point valve When Y1 and Y2 are used at the same time then the max output current will be 800 mA for both combined Terminal ennn a N Window contact Digital input for floating contacts tact Communication Terminal sis Communication SBC Serial S Net slave data mode RS 485 max cable length 1200 m max stations see technical data Transmission rate 4800 9600 19200 38400 115200 bit s with automatic detection after restart Note Additional input E2 aux input Additional digital input for floating contacts Interface For a detailed description of the inputs o
7. Document 27 602 EN02 2013 08 20 3 20 Saia Burgess Controls AG Function Functions regulation Restrictions This parameter will be stored in the EEPROM of the controller Therefore it has to keep in mind that 10 000 writing cycles must not exceed same as for the other para meters in the config Fbox This means this parameter should only be written on a changed value and not too often If this parameter will be changed for example 4 times per day the lifetime of this 3 EEPROM parameter will be 7 years Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 3 21 Saia Burgess Controls AG Function 3 4 Funktion regulation Functions regulation f J XW Frost protection Comfort Standby Reduced Basic setpoint After a restart the active base set point register 41 is initialised with the base set point value from the configuration register 37 The active base set point can be changed any number of times by the communication function The control set point is made up of the active base set point and any adjustment by the room control unit Manual adjustment of the set point register 34 is only possible in Comfort and Standby modes In Reduced operation the controller works with the active base set point alone Control set point in Reduced operation Set point Active base set point Control set point for Comfort and Standby modes Set point Active base set point regi
8. Receiver Limited by the electrical load on the Serial S Net system a segment without repeater can have no more than 32 Saia PCD controls or 248 compact room controllers connected to it Limited by the Bus cycle time a maximum of 127 compact room controllers can be used in one segment without repeater Number of Saia PCD systems on a Serial S Net line Number of Saia PCD controls Number of compac room controllers Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 6 2 Saia Burgess Controls AG Technical data Room controllers with Serial S Net 6 1 3 Technical overview of room controllers PCD7 L790N L793N SSS OFF CE Z N M l Q Q Valve Power suppl a Ltt2z 3 4s tel 7 e PPly ee 1 __ 2 O Service Pin Klom Supply OR 2mA DAX Serial S Net Inputs S Bus Aux Window Aux RS485 0 10V Contact Input gt o e es et _ sevice Teltr e s s 2 a E oto X Power supply 24 V GND Power consumption 1 5 W typ without actuating a Valves Supis oo N Y2 r outputs 10 800 mA to control 2 valves with PWM signal or one 3 point valve open close Can be configured via the Config FBox or the configuration registers When Y1 and Y2 are used at the same time then the max output current will be 800 mA for both combined Valves Y3 Y4 Y3 N Y4 Constant voltage outputs 0 10 V 2 mA max for EE of two valve
9. Tempe Y Xx This can be done by placing of TempE2 symbol from the symbol editor and con necting it with the Filter T1 FBox The Filter Time constant should be set to 10 seconds to get a good result 68 Adjust Filter T1 a Ioj x Bead All Tribe all Set Defaults Info Help Cancel Initialization option gt Initial Initial value gt 100 0 lt E ee ime constant leee ooo oloo O Jdal The temperature value will be displayed in the room FBox in the section more informationen or it can be read out from register 69 PS Adjust L79xN Room 5 Ioj x Cancel F 1 12 i emperatur at terminal Ee PWM cycle time for Y1 Y2 in s register 11 PWM cycle time for the valve outputs Y1 and Y2 in seconds Where Y1 and Y2 are used as a 3 point output this parameter holds the motor running time Range of settings FBox 20 600 s Registers 20 600 s Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 3 11 Saia Burgess Controls AG Function Functions settings Control of heating cooling valves register 103 The output signal from the heating cooling controller can be routed either to the Triac outputs Y1 Y2 or to the 0 10 V outputs Y3 Y4 The 0 10 V outputs are available in the PCD7 L793N controller The unused outputs can be used for RIO via FBoxes or registers Valve drive Hz Kh gt Pum yiv2 l F
10. adjust the room climate to their individual needs The controllers have an internal temperature sensor and some models have a set point control as well as a presence key with LED display All devices in the PCD7 L79xN product family can be run as standalone control devices or connected directly to the automation station as Serial S Net slaves Various applications provide different control and operating options in Serial S Net operation In RIO operating mode control can be executed entirely externally in the master station In this case the single room controller is used simply as a hardware input output for climate control PE Serial S Net Bus S Bus RS 485 Data Mode 2 ae AA The different usage and operating modes The functionality of the single room controller is based on various different usage and operating modes And each selectable operating mode can be assigned different set points Non use No heating or cooling energy is routed to the room This state is useful when a window is open The room controller keeps the room temperature above the frost threshold of 8 C Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 1 1 Saia Burgess Controls AG Overview PCD 7 L79xN series Non use standby The room is prepared for use but no presence has yet been registered in the room As long as the room is not flagged as occupied by teh presence function fe the room controller maintains the room
11. can be defined via the configuration See Function settings hardware HeatY heating valve Control of heating valve in in CoolY cooling valve Control of cooling valve in in Err error flag FBox internal output for detecting communication errors If a transmission with all telegram repeats fails completely the FBox disables communication until the next attempt by the Setup FBox The retry time is defined in seconds in the Setup FBox via the internal parameter Pause after communication error A description of the L79x Room FBox settings can be found in the online help for Saia PG5 Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 3 25 Saia Burgess Controls AG Function Functions manual output control 3 6 Functions manual output control Roomo ref Channel refRoami10 L79xN Room Variable Tomas En Occupied QOccMode SetPt Adjust L794 Analog Output 1 0 O x Read All White all Set Defaults Info Help Cancel analogue output gt WS 0 10 DC send valle gt value change r hysteresis gt 1 0 Concept As a rule the channel reference of the RS 485 interface and the S Bus station address of the desired room controller are parameterised in the Room FBox The Room FBox can then communicate with the room controller The L79x AO FBoxes can be attached to the Room FBox For this an FBox name must also be configur
12. heating 3 cooling 5 frost protection 6 off 10 manual 2 4 not used 34 R W Offset for set point adjustment in Comfort and Standby mode Unit K 10 Range 30 30 3 0 3 0 K R W Set point After a restart the set point is initialised to the base set point in configuration register 37 41 Effective control actual value Current control mode O O automatic 1 heating 3 cooling 5 frost protection 6 off 10 manual 54 R Effective control set point 142 R W Current valve limit for cooling CoolY Range 0 100 default 100 143 R W Current valve limit for heating HeatY Range 0 100 default 100 Analogue inputs 53 Window contact E1 status independent of the contact polarity set see Hardware configuration register 105 O contact E1 closed 1 contact E1 open 70 Aux contact E2 status See Hardware configuration register 10 O contact E2 closed 1 contact E2 open T1 Temperature sensor value Input temperature to the L79xN controller Range 0 400 step 0 1 C 72 0 10 V voltage input E3 for optimum use via S Bus Value of aux 0 10 V Range 0 1000 0 01V steps Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 5 5 Saia Burgess Controls AG Register usage Registers actual values Actual values R W Operating mode default O The controller works permanently in Comfort mode The room control unit no longer has any effect 1 The contr
13. online enter a new station number copy to the Saia PCD and click the Setup button Example Addressing with a Saia PCD via the debugger This requires a gateway to be parameterised in the Saia PCD hard ware settings and the SASI master FBox Activate station address 252 on the room controller by pressing the service pin button Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 3 2 Saia Burgess Controls AG Function Communication Connect Sbus 252 Write Register 110 new station number Write Register 60 0 ref Channel L79x Setup oetup_En En Connect loj x Cancel Default station number gt 22 Jo Configured station number Firmware Versio Communication Disconnect New settings Station number gt 1 E Set L79x parameters Setup Status General parameter Try reconnect after offo kjo Next connection test in Automatic configuration The compact room controllers can be configured automatically via the Config and Room FBoxes After every restart a flag is passed to the Room FBox to tell it that the controller has been restarted The FBox then checks that the configuration matches the associated Config FBox If this is not the case all the control parameters are copied over automatically from the Config FBox to the compact room controller This option reduces commissioning to the address setting operation This means that af
14. the communication master For this RIO remote input output operation the RIO FBox is provided a Adjust L79xN RIO Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 4 4 Saia Burgess Controls AG 5 1 Register usage Registers configuration Register usage This section describes the register usage on the compact room controllers Detailed knowledge of this is not required to use the FBoxes Rather the section is aimed at interested persons and programmers Registers configuration EEPROM parameters Communication 14 S Bus telegrams defines a minimum time for the compact room controller to wait before responding to a request telegram from the master Unit ms 2000 Range 100 2300 default 2000 15 S Bus baudrate as the controller works with automatic baudrate detection this parameter has no effect in practice 73 4800 36 9600 18 19200 9 38 400 21 115200 Communication watchdog register 0 Stop restart control Function dependent on configuration of register 112 Counter decremented by 1 for every program cycle 20 s The S Bus master has to load the register on a cyclical basis Where the value 1 is entered the controller will stop restart in max 20 seconds Time in 20 second steps during which a further S Bus station address 252 is activated The time is initialised to 15 minutes by operating the service pin Every successful communication within the perio
15. the max output current will be 800 mA for both combined Valves Y3 Y4 Y3 GND Y4 Constant voltage outputs 0 ne 2 valves 10 V 2 mA max to Inputs Terminal Window contact E1 window Digital input e a floating contacts contact Communication _ Terminal Interface RS 485 max cable length 1200 m max stations see technical data Transmission rate 4800 9600 19200 38400 115200 bit s with automatic detection after restart Note For a detailed description of the inputs outputs see General technical specification 6 11 Saia Burgess Controls AG PCD7 L793N CE Supply of the drives external A R 24V Power 0 10V 800 ma Y ee D 2mA A S Bus Aux Window Aux RS485 0 10V Contact Input Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 Technical data Type description 6 12 Saia Burgess Controls AG Appendix A A A 1 Icons Appendix Icons In manuals this symbol refers the reader to further information in this manual or other manuals or technical information documents As a rule there is no direct link to such documents This symbol warns the reader of the risk to components from electrostatic discharges caused by touch Recommendation Before coming into contact with electrical components you should at least touch the Minus of the system cabinet of PGU connector It is better to use a grounding wrist strap with its cable permanently attached t
16. written to cyclically The content has no effect on the control program It is possible to store a version number or the last commissioning date in it Room control unit 104 Manual set point adjustment on the room control unit in up to 6 steps K 10 and step Range 0 10 0 1 0 K step Default 5 Function Application selection Default 5 The valve outputs for heating cooling are defined via register 103 under the heading Hardware TRIAC PWM TRIAC 3 point and 0 10 V are available All outputs not used by the application can be controlled via the communication function RIO operation 0 RIO operation all outputs can be controlled via the Bus 1 2 tube heating heating valve Y1 Y3 2 2 tube change over valve Y1 Y3 Register 38 defines the control mode Heating or Cooling Depending on the hardware setting it is controlled by contact input E2 or the S Bus 2 tube cooling Cooling valve Y1 Y3 4 tube heating cooling Heating valve Y1 Y3 Cooling valve Y2 Y4 r 2 tube heating with 2 valve outputs controlled in parallel Heating valve 1 Y1 Y3 Heating valve 2 Y2 Y4 8 2 tube change over with 2 valve outputs controlled in parallel Valve 1 Y1 Y3 Valve 2 Y2 Y4 9 2 tube cooling with 2 valve outputs controlled in parallel Cooling valve 1 Y1 Y3 Cooling valve 2 Y2 Y4 Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 5 2 Saia Burgess Controls AG Regist
17. 0 5 10K Registers 5 100 K 10 Cooling reset time ins register 7 Run down time for the cooling PI controller in seconds The value 0 blocks the integer portion Range of settings default O0 seconds FBox 0 1000 s Registers 0 1000s Limitation cooling register 140 After a restart the maximum output value for cooling CoolY is limited Range of settings default 100 FBox 0 100 Registers 0 100 Heating proportional band C register 6 Range of settings default 5 K FBox 0 5 10K Registers 5 100 K 10 Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 3 15 Saia Burgess Controls AG Function Functions settings Heating reset time ins register 106 Run down time for the heating PI controller in seconds The value 0 blocks the inte ger portion Range of settings default O0 seconds FBox 0 1000 s Registers 0 1000 s 3 Limitation heating register 141 After a restart the maximum output value for heating HeatY is limited Range of settings default 100 FBox 0 100 Registers 0 100 Coasting comfort mode 10min register 1 Where the controller is working in unused mode a presence alert causes it to switch to Comfort mode for a configurable period of time At the end of this time the controller automatically returns to unused mode Range of settings default 6 60 mins FBox 0 240 x 10 mins Registers 0 240 x 10 mins
18. 2013 08 20 3 13 Saia Burgess Controls AG Function Functions settings 3 2 4 Functions settings control parameters i J XW Frost protection Comfort Standby Reduced lox Bead 4 write all Set Defaults Info Help i Cancel Controller parameter Dead band comfort moden K gt z0 gt Dead band standby moden K gt lt gt Dead band reduced mode ink gt e0 lt gt Cooling proportional band C gt s0 lt gt Limitation cooing gt ja del Heating proporionalband gt 0 lt gt Heating resettimeins gt lo Gl Limitation heating gt j i a Coasting comfort mode xi0min gt lt gt Base set point register 37 After a restart the active control set point register 41 is initialised with the base set point value Range of settings default 22 C FBox 10 35 C Registers 100 350 C 10 Deadband comfort mode K register 2 Range of settings default 2 K FBox 0 20 K Registers 0 200 K 10 Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 3 14 Saia Burgess Controls AG Function Functions settings Deadband standby mode K register 3 Range of settings default 4 K FBox 1 20 K Registers 10 200 K 10 Deadband reduced mode K register 4 Ey Range of settings default 6 K FBox 1 20 K Registers 10 200 K 10 Cooling proportional band C register 5 Range of settings default 5 K FBox
19. 3 2 pipe cooling application Y1 Y3 1 Y3 4 pipe H C 4 pipe heating cooling application The heating valve is controlled via Y1 Y3 and the cooling valve via Y2 Y4 2x2 pipe H Y2 Y 1 2 pipe heating application with 2 heating valves connected in parallel The first heating valve is controlled via Y1 Y3 and the second heating valve via Y2 Y4 2x2 pipe CO Y2 Y1 2 pipe change over application with 2 valves connected in parallel The first valve is controlled via Y1 3 and the second valve via Y2 Y4 2x2 pipe C Y2 Y1 2 pipe cooling application with 2 valves connected in parallel The first valve is controlled via Y1 Y3 and the second valve via Y2 Y4 The application selected determines the correct settings for the valve outputs and the function set for input E2 see Settings hardware Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 3 7 Saia Burgess Controls AG Function Functions settings Watchdog Function In Config FBox The behaviour of the communication watchdog can be switched between Stop controller default and Restart controller 68 Adjust L79xN Config gy Joj x Bead 4ll Terite all Set Defaults Info Help Cancel Application Choice of application gt 4 pipe HC Ey gt WatchDog Funktion gt Stopp d lt gt In Room FBox The communications watchdog is run automatically from the
20. 6 2 2 Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 Technical data for PCD7 L791N Technical data Type description Compact room controller for heating or cooling with 2 TRIAC outputs to control two thermal valves PWM or one 3 point valve open close an integrated temperature sensor and 2 digital inputs without user control CE PCD7 L791N EACS ES ESERESES Ba nja ja 24V Power K 800 mA XK a ply S Bus Window Aux RS485 Contact Input ee EE er ee Sevice Let ztels 4 3 2 4 24 V GND 24 VAC 1 5 W typ without actuating drives Terminal Terminal E Digital input for floating contacts tact Valves Y1 Y2 Y1 GND Y2 Triac outputs 24 VAC 10 800 mA to control 2 valves with PWM signal or one 3 point valve When Y1 and Y2 are used at the same time then the max output current will be 800 mA for both combined E2 aux input Additional digital input for floating contacts Terminal D D SBC Serial S Net slave data mode RS a stations see technical data 485 max cable length 1200 m max 4800 9600 19200 38400 115200 bit s with automatic detection after restart For a detailed description of the inputs outputs see General technical specification Note 6 7 Saia Burgess Controls AG Technical data Type description PCD L791N CE Open Close 3 Point PWM PWM 24VAC 24V Power 0 10V TAN 800 mA TN Supply oe 2mA OR 24VAC S Bus
21. AC library and the serial interface need to be initialised The picture shows the configuration for a PCD3 using the integrated serial RS 485 interface Channel 2 HEAVAC Initialisation at the begin of project Heavac Heavac_Resm pRes REX SBuUS Initialisatian 15 x Fread sll white all Set Defaults Info Help Cancel SBusMede 5 RS Type gt Default Transmission speed gt 38 4 kbps Initializing for the communications room controller must also set the FBox L79x Se tup at the beginning of the program Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 4 1 Saia Burgess Controls AG Example applications ref Channel L79x Setup B Setup En 4 4 Configuration ref Channel L79xN Conf r Enable En cb A Adjust L79xN Config g iol x Cancel From station address gt Jo To stationaddress ola i a Read parameters 00 Read out Write parameters 0000 tite Configured station a at a ee ee The compact room controllers can be parameterised very efficiently Where a set of room controllers with consecutive S Bus addresses are to be configured with the same basic parameters using the Autoconfiguration function a single Config FBox can distribute the parameters to all the room controllers automatically To do this the start and end addresses are entered into the Config FBox in the from stati
22. Box entry Value Meaning o PWMYINZ 0 _ The outputs pass a PWM signal to tre Trac oupas OIOV YONE avC vay 2 Heaton pwMyi r corono 0v macra e renna ovr conma 3 point Y1 Y2 Use of Triac outputs as a 3 point signal for a 3 point valve The valve run time is given by the PWM cycle time parameter in register 11 6 ways valve Allows the output Y3 a 6 way valve to control 6 way regulation bullet valve On the Output Y3 it is possible to drive a 6 way regulation bullet valve The advan tage of this valve is that it requires only one valve for cooling and heating Valve opening 100 0 OV i 5V I 10V i i l Y3 M Value Value Value Value Reg 1 Reg 2 Reg 3 Reg 4 cooling heating The voltage level of the cooling and heating curve can be adjusted over 4 register values 2 register are used to define the cooling curve 0 100 and 2 register are used to define the heating curve 0 100 Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 3 12 Saia Burgess Controls AG Function Functions settings FS Adjust L79xN Config Read 4 TAA TILE all Set Defaults Info Help S gt ze ways valve 0 heating gt jee R a E B ways valve 100 heating gt 1000 lt f gt ie With this 4 adjustable registers it is possible to use a lot of different 6 way valve types with the PCD7 L793N controllers Manual for PCD7 L79xN room controllers Document 27 602 EN02
23. Room FBox If communication between the Room FBox and the controller is interrupted for the pre set time value multiplied by 20 seconds the controller performs the specified action see Config FBox A configured value of 255 deactivates the watchdog function default a Adjust L79xN Room i i _ o x Bead We Tite alll Set Defaults Info Help i Cancel Transmit values gt Change value Communication WatchDog gt 255 Roomunit Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 3 8 Saia Burgess Controls AG Function Functions settings 3 2 3 Functions settings hardware A Adjust L79xN Config Hardware Choice of temperature sensor gt Normal state window contact gt PWM cycle time for Y1 2ins gt 30 Be Valve drive Hz Kh gt PVM YY F k gt Choice of temperature sensor register 13 The controller can derive the room temperature for control purposes from 2 different sources Choice of temperature sensor gt L79x The room temperature is measured by the internal temperature sensor of the compact room controller via S Bus The room temperature is passed to the controller via S Bus see register 30 Normal state window contact register 105 The contact polarity of the window contact can be selected from normal closed or open Normal state window contact ik closed
24. User manual S C SAIA BURGESS CONTROLS the compact PCD7 L79xN room controller Controls Division Document 27 602 Version EN02 2013 08 20 Saia Burgess Controls AG Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 Saia Burgess Controls AG Contents 0 Contents 0 1 VOC UNIS FG TWN SEON seeren r aE E EE E EEEE OEE 0 3 o 0 2 Trademarks caccoscioosureiansasamncnrsrneteuscenestnasesanadaswngeseteamopiadonen Ern EE ENERE REOR 0 3 1 Overview 1 1 PCD7 L79xN series compact room controller with Serial S Net 1 1 1 2 Possible uses for the PCD7 L79XN series ccceecceeeeeeeeeeeeeeeeeeteeeteeteeeees 1 3 1 2 1 Standalone control with NO COMMUNICATION c cece eeeceeeeeeeseeeneeseeeteeeeees 1 3 1 2 2 Standalone control with communication to the automation station 1 3 1 2 3 External regulation and control via the automation station cccceeeeee 1 4 1 3 Application overview for the PCD7 L79XN series ccecceecceeeeeeeeeeeeeeeeeeees 1 5 1 3 1 Device overview and technical details of the compact room controller 1 6 1 3 2 Phased Out room controllers 2 0 cee cece cece cece eeeeeeceeeseeceeeteeeeeseeeseeseeseeeeeeees 1 8 2 Commissioning instructions 2 1 Safety IVS UU CHOI S seios atinsa ae aana Nena EEEE iesean 2 1 2 2 AsSSembDIy NSUUCIONS ssoissrs nonne aE E EE 2 2 2 2 1 Mounting Disassembly ccc cecccecccseeceeee
25. and cooling The maximum output values for cooling CoolY and heating HeatY can be limited The initial value can be set in the Config FBox register 140 for cooling and register 141 for heating Range 0 100 default 100 A adjust L79xN Config Gg loj x Dee Write at Set Defaults Info Help Cancel Limitation cooling gt J 100 lt E _ BEE O E E z The current value is set in the Room FBox register 142 for cooling and register 143 for heating Range 0 100 default 100 iol xi Read 4 TA rite all Set Defaults Infa Help Cancel Heating signal Limitation heating Yo gt 100 lt gt Cooling signal Mo Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 23 Saia Burgess Controls AG Function Funktion actual values 3 5 Functions actual values FBox inputs FBox FBox outputs Enable communication ref Channel Pwr L79xN Room Control set point EN Occupied METOD Operating mode __ OceMode SetPt Control actual value actual value Comfort Standby Reduced TT Seti TANP Heating output output 3 a Cooling output Active base set point Enor indicator FBox inputs L79xN Room En GG FBox internal parameter to enable communication OccMode Parameter to set a specific operating mode register 36 Foony The controller switches directly to Comfort mode Reduced The mode
26. can be set to Comfort for a definable period via the presence key or the communication function see Function setting control parameter register 0 At the end of this time the mode automatically switches back to Reduced operation Standby When a presence is detected from the presence key or the communication function the controller switches to Comfort mode Where no presence is detected the controller switches directly back to Standby mode The controller works permanently in Reduced mode Presence detection is deactivated This mode is especially suitable to maintenance and service activities at times when the room is not in use With on demand systems this makes it very easy to prevent the whole installation including climate control from switching on when not required Permanently reduced SetPt Active base set point register 41 for cyclical calculation of control set point See section on Functionality Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 3 24 Saia Burgess Controls AG Function Functions manual output control FBox outputs L79x Room Occupied presence Parameter for detection of presence SetPt control set point 3 Actual control set point taking account of any manual interventions and limitations Temp actual value Actual value as input signal to the two PI controllers for heating and cooling The measurement point
27. ce etc A typical application would be in rooms that can be divided in different ways e g meeting rooms in conference facilities The master controller transmits its output signals for heating valve and cooling valve to the slave The hardware configuration in the slave then decides in turn which outputs should actually be used As described above the unused outputs in the slave can also be controlled independently via the S Bus RIO Room master slave parameters The Room controller works parameter is used to define the operating mode as Master autonomous or Slave as slave In as slave mode the master station address also has to be entered In the Master function the parameter Station is master station has no meaning Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 3 28 Saia Burgess Controls AG Example applications 4 1 4 2 4 3 Example applications General The programming of the PCD7 L79xN product family presented here uses the Saia PG5 FBox family RoomControler PCD7_L79x The library is supplied by SBC free of charge and can be obtained from Saia Burgess Controls AG in Murten System requirements 4 m Saia PCD1 PCD2 PCD3 or PCS1 m Saia PG5 1 4 or higher m Application FBox library HLK Init HeaVAC initialisation Standard FBox library communication SASI master m User FBox library RoomController PCD7_L 79x Initialisation At start of project the HeaV
28. closed 0 When the window is closed the window contact is also closed open When the window is closed the window contact is open Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 3 9 Saia Burgess Controls AG Function Functions settings Contact at terminal E2 is register 10 This parameter can be used to configure the function of the second digital input The status can be read independently of the configuration in register 70 Contact closed 0 Contact open 1 Contact at terminal EZ is gt without function without function a Window contact ChangeUver Dew point Occupancy detector EZ NTC EZ NTC Tab FBox entry The contact has no effect on the control program It can be used as a free digital input and processed via the Room FBox in the Saia PCD The input is used as a second window contact For this to work both contacts E1 and E2 must be closed When one or both contacts are open the controller moves into frost protection mode The contact polarity should be noted here The input is used to switch between heating cooling mode in change over applications When the contact is closed the controller works in cooling mode otherwise in heating mode An external dew point switch together with the integrated dew point function enables the controller to switch off the cooling function and prevent further condensation When the contact is closed cooling is enable
29. configuration is used the Config FBox will automatically copy the configuration to all stations in the range If automatic configuration has not been activated the configuration can be written manually by pressing the Write button on the controller with S Bus address from station address to station address The current contents of a controller can be displayed in the online parameters by entering the S Bus address in the from station address parameter and then clicking on the Read button All parameters can also be written individually as registers without using the Config FBox ref Channel L79xN Conf i j Enable En Oa Adjust L79xN Config Read TATE all Set Defaults Info Help From station address 7 gt 20 J To station address Ola dal Read parameters Read out r Write parameters 000000 Write Confguedstation o S Auto confguaion offere lt gt e aa a i ae ee Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 3 5 Saia Burgess Controls AG Function 3 2 1 3 2 2 Functions settings Functions settings room control unit A Adjust L79xN Config o x Auto configuration gt active lt gt Seer Roormunit Setpoint correction in kK gt o5 lt Bead 4 virite all Set Defaults Info Help Set point step in K register 104 The room
30. control unit can increase or decrease the room set point for the controller in up to 6 steps The absolute change in the set point is defined by the number of steps set on the room control unit and this parameter for the difference per step Range of settings FBox 0 1 K Registers OQ 10 K 10 Functions settings operation F Adjust L79xN Config ioj x E Cancel Application Choice of application gt 4 nipe HC ha lt p WatchDog Funktion gt Stopp hi E gt Choice of application register 9 The regulation control functions are dependent on the program selected This register x is used to define the program The associated outputs Y1 Y4 are specified in the Hardware section All outputs not used by the function can be freely used for RIO remote input output Triac PWM output 0 100 4 Analogue 0 10 V output 0 100 Analogue 0 10 V output 0 100 Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 3 6 Saia Burgess Controls AG Function Functions settings Description of outputs Outputs The internal regulation and control functions are disabled All outputs are controlled via the RIO FBox or via S Bus registers 2 pipe H i 2 pipe heating application YaY3 2 pipe CO 2 pipe change over application Where ChangeOver Y1 Y3 input O the controller is in heating mode otherwise in cooling mode change over register 38 2 pipe C
31. controllers Document 27 602 EN02 2013 08 20 A 3
32. d restarts the time for another 15 minutes When the counter runs down to 0 or the register is manually set to 0 address 252 is deactivated again nof 110 S Bus station address 111 Active RS 485 Bus connection RS 485 leads must be connected as lines Stubs are not allowed and both ends of the line must be closed off with a resistor approx 150 Q between strands D and D The best signal quality is achieved with an active Bus connection with a resistor between 5V and GND PCD1 2 Mxxx Socket A Pull up 330 Ohm IRX TX Termination Resistor 150 Ohm Pull down 330 Ohm Segment lenght max 1200 m Too max 32statios S 0 No Bus connection default setting 1 Active Bus connection enabled Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 Saia Burgess Controls AG Register usage Registers configuration Registers 112 Configuration of the watchdog 0 The watchdog stops the controller closes all valves and stops the fan 1 The watchdog executes a restart of the controller closes all valves and stops the fan General Description Controller type PCD7 L60x PCD7 L79xN 74 1 2 75 4 Software version read only E g 108 means Version 1 08 126 E 32 bit register for storing any type of information This is a free register available to the user for Read and Write use As the information is permanently stored in EEPROM it cannot be
33. d within the program If the contact is open cooling is blocked see register 39 Occupancy detector An external presence sensor enables the controller to switch into Comfort or unused Standby mode The internal presence status can be determined from register 35 For Comfort mode the contact must be closed Temperature sensor input The input is used as input for an additional temperature fix NTC 10K sensor NTC 10 K Temperature sensor input The input is used as input for an additional temperature from Table sensor 10K Der NTC temperature sensor input is used as an additional input for a NTC 5 K to 10 K which are defined by the values of Table 8 can E2 Input configured as a temperature sensor input With this second temperature input it is possible to measure 2 different temperature values with one PCD7 L79xN controller The accuracy of this temperature measurement is lower than the internal temperature sensor of the room controller Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 3 10 Saia Burgess Controls AG Function Functions settings Therefore for temperature regulation the internal temperature sensor of the room controller should be primarily used The Input E2 can only be used in the range from a NTC 5 kOhm to a NTC 10 kOhm temperature sensor To get a more stable value at lower temperatures higher resistances a filter FBox Filter T1 should be used T1 B koom L7 9x Room
34. e cece ec eec cence ececeeeeeeceseeeececeeaeeeeeeeeaeaeeees 6 5 Technical data for PCD7 L791N o oo eee eccec eee ececeeeeeeceeeeeeceseaeeeeeeeeaeeneees 6 7 Technical data for PCD7 L792N 00 oo e cece ce cece cece eee ececeeeeeeceeeeeececeaeeeeeeneaeneeees 6 9 Technical data for PCD7 L793N diccssdeucivwtenicacsissvenicvntanicnavnatiosbtsaebecearanioniereest 6 11 Appendix CON a E E O O EE A 1 Order Codes x ocysnses oe otertonee setaseacorawtesenonesunvontintouiooneusn uobaaetenbasesseneiantqunnivonteteowenest A 2 Address of Saia Burgess Controls AG cccccccccsececeeeeeeeeceeeeseeeseeseseeeeeess A 3 Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 0 2 Saia Burgess Controls AG Contents 0 1 Document History Remarks 2011 11 28 ENO1 _ Document derived from the manual 26 868 2013 08 20 EN02 Logo and company name changed 0 2 Trademarks Saia PCD and Saia PG5 are registered trademarks of Saia Burgess Controls AG Subject to technical changes Saia Burgess Controls AG 2011 All rights reserved Published in Switzerland Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 0 3 1 1 Saia Burgess Controls AG Overview PCD 7 L79xN series Overview PCD7 L79xN series compact room controller with Serial S Net fe With single room control for individual comfort and energy efficiency The PCD7 L79xN single room controllers enable users to
35. eceeeceeeeceeeeseeeeseeeseeeeseeesseeeseeesaeess 2 3 23 Procedure for the temperature calibration on commissioning c 0000 2 4 3 Function 3 1 COMMUNICION srsresscarienenene nia 3 1 3 1 1 FUNCIONS COMMISSIONING sironnan E Ea 3 1 3 2 Functions settings cccceccceccceccceeceececseeaecauecasecasecaeeceeesseesaeeseeeseeeceeeseeesas 3 5 3 2 1 Functions settings room control unit annennanennennnnnnnnnnnnnnnnnnnerrnnrrrrnrnnnne 3 6 3 2 2 Functions settings operation 0 cee cec cece cece eeceeeceeeeeeteeeeeeceeeseeeseeeeeseeeseeees 3 6 3 2 3 Functions settings hardware cece cece cece cece eeceeeceeeeeeteeeceeeeeeseeseeseeeeeeseeees 3 9 3 2 4 Functions settings Control parameters cccccceecceececeeeeceeceeeseeeseeeaeeneeees 3 14 3 0 Funcions COMME OW cessor on ete taenn maintain ates cenit tet gates asa ak eae cueacenaatnsaanned aa 3 17 3 4 FUNCTIONS regulation cee cecccecc cece cece eeeeeeeeeeeeeeeeeeeeeeecseesaeeseeeseeeseeeaeeaaeeaes 3 22 3 5 Functions actual values erie caaicosid ccancunciancnaiadiercesloeesateduteutedensieivarceudebeSdomammdouaent 3 24 3 6 Functions Manual output control 2 2 cee cecc eee eee seca eeeeeeeeeseeeeeneneeeeeeeeeneeees 3 26 3 7 Functions mMaster Slave 0 cccececcececcecececeecececeeeeceeeeeeceeeeaeaeeeeeeeeeeneeeaeeeeneas 3 28 4 Example applications 4 1 eS al E cies wiacterece prce enteaiens E EAEE EE 4 1 4 2 System
36. ed in the Room FBox NOTE The name must be unique within the project The room name is then entered as a reference into the L79x AO FBoxes L79x AO analogue outputs The L79x AO FBox can be used for remote control RIO of outputs not used by the selected application See sections on Functions settings application and Functions settings hardware L79x AO definition of output Analogue Output Analogue output gt Y3 00 100C Y1 Pi 2 Pi on al Y4 0 10 0C All outputs are basically analogue outputs Outputs Y3 and Y4 work proportionally with 0 10 V The switching elements such as Triac Y1 and Y2 are operated by pulse width modulation PWM The cycle time is entered in the hardware settings Values between 0 1 and 99 9 define the pulse pause ratio A value of 0 switches off a PWM output permanently while 100 0 keeps it switched on Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 3 26 Saia Burgess Controls AG Function Functions master slave Transmit value AS Adjust L79x Analogue Output 1 0 Ioj x Read All white all Set Defauts Info Help Cancel Analogue output Send value Hysteresis Change value Standing The internal parameter Transmit value is used to determine the communication behaviour of the FBox The value at the input can be transferred to the room controller cyclically or only after a change of value Hysteresis AS Ad
37. er does not function For this it is necessary for the communication master to send telegrams on a cyclical basis Where a Saia PCD is used this task is handled by the Setup FBox from the PCD7_L79x room controller group Once the room controller has detected the baudrate it stores this information After a restart it will begin by setting this baudrate Only when the room controller cannot establish any communication with the last used baudrate does it restart baudrate detection it KOOM Loncroner 25 RoomControler PCDT_L60x channel RoomController PCD _L79x S Bus Mst D HL79x Analog Output 1 0 TPL 9x Config 2 1 SASI CLR pClr Err THL79x RIO 1 0 1 L Sx Room 2 1 TPL Setup 1 0 ref Channel 1 L79xN Config L79x Setup C TEL79xN RIO OL79xN Room setup_En En Connect Special a System information 4 Time related Weigh Module The picture shows a SASI interface initialisation and the Setup FBox The activated Setup FBox makes cyclical attempts to establish a connection to Station address 252 see service pin on the room controller As the service pin is not normally activated on any room controller station address 252 is not present The LED for the SASI S Bus master FBox is then red After successful commissioning of the room controllers it is therefore advisable to deactivate the Setup FBox via the Enable input If proper communication is established the LED for the SASI S Bus master FBox shou
38. er usage Registers configuration Registers 25 Description Operation Mode selections on power up Default 1 Hardware Offset to adjust the room temperature where an analogue sensor on the L79xN controller is used Where the room temperature is picked up by the Bus the adjustment parameter has no effect esse Unit K 10 Range 100 100 10 0 10 0 K default O 1 Condensation contact open O Normal contact closed see register 39 Presence contact The current presence status can be seen from register 35 Note A closed contact reg 70 0 indicates a presence reg 35 1 Dew point when condensation is detected the cooling function is disabled 1 No presence contact open O Presence contact closed see register 35 The input is used as input for an additional temperature sensor NTC 10K The input is used as input for an additional temperature sensor 10K Der NTC tem perature sensor input is used as an additional input for a NTC 5K to 10K which are defined by the values of Table 8 can 7 PWM cycle time for TRIAC outputs Y1 Y2 Where the TRIACs are used as a 3 point output this parameter is used to set the motor running time Unit seconds Range 20 600 seconds default 30 s Selection of room temperature sensor 3 Analogue temperature measurement with sensor on the compact room controller Room temperature picked up by S Bus in register 30 29 Dynamic correction selection
39. ir Volume VAV systems 2 tube for heating cooling or changeover Room controllers PCD7 L790N Application Valves 24 V PWM Overview Application overview Room control 24 V PWM or 24 V 3 point 24 V PWM or 24 V 3 point PCD7 L793N 4 tube for heating cooling or changeover Application Room controllers PCD7 L792N PCD7 L793N LI FLL VAV Radiator 24 V PWM or 24 V 3 point or 0 10 V Valves 24 V PWM 24 V PWM or 0 10 V Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 Room control I a ee oe rc ae eee Saia Burgess Controls AG 1 3 1 Overview Application overview Device overview and technical details of the compact room controller EI Type PCD7 L790N L791N L792N L793N Functions One output sequence C Two output sequences e Ce eee ee TRIAC output o X e 0 10 V output O Changeover function X o o X e Presence key 6 EOIN lt a Set point setting a ene eee LED display NEN EN S Bus slave operation 00 ee ee ee NTC Internal temperature x x x al he eee Ee Oe erected eee Re ae a eC ere ea ewe ee een See eee Additional inputs Digital inputs 2 2 2 presence window C Oaaaaaa Analogue inputs 0 10 VDC 1 General details Temperature sensor internal Control behavior Communication interface Power consu
40. is setting depends on the connected thermal valves type and quantity and on the installation conditions This calibration is not mandatory and can be performed at spe cific room constellation in which the measurement accuracy is not sufficient a Connect the thermal valves and activate over the setpoint the PWM outputs to 100 b After 30 minutes the temperature has to be measured near to the lower air slots and to compare with the measured temperature of the controller c When the displayed temperature of the controller is too high then it is possible to set a higher stage for the dynamic correction stage 1 up to 5 at Adjust L79xN Room i Ioj x Bead ll write alll Set Defaults Info Help Cancel FW 114 Mode after Power on gt JReduced lt lt n Der Correction temperature K Hoo E lt ii gt ie T Dynamic correction gt None Without dynamic correction increase of the dynamic correction Maximum for several parallel connected valves Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 2 5 Saia Burgess Controls AG Function Communication 3 Function 3 1 Communication 3 1 1 Functions commissioning Automatically detecting the Serial S Net baudrate After the current is switched on the compact room controllers attempt to detect the baudrate on the S Bus for themselves During this time the controll
41. just L79x Analogue Output 1 0 a _ B x Read write all Set Defaults Info Help i Cancel Analogue output gt Send value gt Change value Hysteresis gt For a transfer after a change of value the Hysteresis parameter defines the minimum change to the input value compared to the last value sent required to trigger a fresh communication Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 3 27 Saia Burgess Controls AG Function Functions master slave 3 7 Functions master slave a Adjust L79xN Room I O x Cancel Bead ae rite all Set Defauts Info Help Communication Auto configuration gt Yeas Room controller works ae lt gt Station is master station gt 20 q gt Transmit values gt Change value Communication WatchDog gt 255 lt p Concept In master slave operation it is possible to use one master room controller to control other slave controllers remotely For this the master simply uses the outputs from the slaves to control conditions in the room Master slave operation is generally implemented via the Room FBoxes The master slave system used here is then so flexible that a Room FBox only has to be told which S Bus station address is the master for this room controller Many controllers can also be chained together This allows e g a slave to be the master for another devi
42. ld stay green Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 3 1 Saia Burgess Controls AG Function Communication Setting the S Bus service pin With a small screwdriver or paper clip can be actuated the service pin by the vents Service Pin When the Service pin button is pressed the compact room controller enables an additional station address 252 for a minimum of 15 minutes The controller can use this address to communicate with the master independently of all other software com ponents Provided that the room controller is receiving telegrams via this address the timer for time monitoring is restarted each time Only when the timer expires after 15 minutes is station address 252 deactivated n Please note that two controllers cannot be activated at the same time via the ser vice pin To terminate the timer prematurely register 60 can also be manually set to O e g via the Setup FBox a communication FBox or the debugger Setting the station address The station address can be parameterised via the Setup FBox or directly in regis ter 110 Example Addressing using a Saia PCD and FBoxes Activate station address 252 on the room controller by pressing the service pin button Inthe case of correct S Bus communication the Connect output on the FBox will be high Open Setup FBox Adjust window If communication is
43. mmissioning the devices should be checked for damage arising from incorrect transport or storage Removal of the identification numbers will invalidate the warranty Please ensure that the limits specified in the technical data are not exceeded Failure to do so may result in defects in the modules and the perpiherals connected to them We can accept no responsibility for damage arising from improper deployment and use The plugs must never be inserted or removed with the power on When installing or de installing the modules all components must be switched off Please read this manual carefully before assembling and commissioning the modules This manual contains instructions and warnings that must be observed to assure safe operation Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 2 1 Saia Burgess Controls AG Commissioning instructions Assembly instructions 2 2 Assembly instructions The compact room controllers must only be installed and connected by an expert in accordance with the wiring diagram Existing safety standards must also be observed m The individual room controller can only be used to regulate the temperature in a dry closed rooms The maximum permissible relative humidity is 90 non condensing m Precise temperature measurement is subject to certain requirements as to the positioning of the compact room controllers m The device can be mounted directly on the wall or flush m
44. mption TRIAC output specification TRIAC mode Output spec 0 10 VDC Housing Dimensions NTC 10 kQ 0 40 C P or PI behavior SBC S Bus RS 485 interface Data mode 4800 9600 19200 38400 115200 bit s with automatic detection at restart time 1 5 W without actuating drives 24 VAC 800 mA max Zero current connection default setting direction invertible 0 10 VDC max load 2 mA Plastic white surface mounted IP20 protection 82 x 117 x 31 mm WxHxD Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 1 6 Saia Burgess Controls AG Overview Application overview Maximum number of room controllers system is dependent on the Bus cycle time and the resources used by the function fe objects KA The maximum number of room controllers that can be processed by a PCS PCD Resources max 600 lines of code per FBox max 30 registers per FBox max 10 flags per FBox 1 DB Bus cycle time per controller approx 15 ms PCD program cycles 428 for 150 FBoxes measured with PCD3 M5540 Commissioning When the room controller is used in a SBC S Bus network configuration is either by the Saia Burgess Controls PCS PCD Master or the Saia PG5 programming tool Practical function blocks FBoxes simplify commissioning FBox library RoomController PCD _LT9x ref Channel q eL ox Analog Output 1 0 L79xN Room FL79x Config 2 1 En Occupied LIL 79x RIO 1 0 OccMode SetP
45. o the Minus of the system This sign accompanies instructions that must always be followed Explanations beside this sign are valid only for the Saia PCD Classic series Explanations beside this sign are valid only for the Saia PCD xx7 series Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 A 1 Saia Burgess Controls AG Appendix A Order codes A 2 Order codes Type Description of compact room controllers with SBC Serial S Net SBC S Bus PCD7 L790N Heating or cooling with TRIAC output without user control PCD7 L791N Heating or cooling with 2 TRIAC outputs without user control PCD7 L792N Heating or cooling with 2 TRIAC outoputs and analogue user control set point potentiometer presence key with LED display PCD7 L793N Heating or cooling with 2 TRIAC and 2x 0 10 VDC outputs and analogue user control set point potentiometer presence key with LED display Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 A 2 Saia Burgess Controls AG Appendix A Address A 3 Address of Saia Burgess Controls AG Saia Burgess Controls AG Bahnhofstrasse 18 3280 Murten Tel 41 26 672 72 72 Fax 41 26 6 72 74 99 E mail support saia pcd com Homepage www saia pcd com Support www sbc support com Postal address for returns from customers of the Swiss Sales office Saia Burgess Controls AG Service Apres Vente Bahnhofstrasse 18 3280 Murten Manual for PCD7 L79xN room
46. oller works in Reduced mode If the controller detects a presence Comfort mode is activated for a configurable period see register 0 2 The controller works in Standby mode According to whether a presence is detected the controller switches between Comfort and Standby mode 5 The controller works permanently in Reduced mode Presence detection has no effect R W Change over status See Configuration register 10 O Heating 1 Cooling R W Dew point status See Configuration register 10 O dry 1 condensation Current operating mode Ql OO Q oO Co Co 00 O 0 Comfort 1 Reduced 2 Standby Outputs R W Manual control of Y3 0 10 V where the output is not used by the application See Configuration register 103 Or control of the valve Y3 in the application selection RIO see HW configuration registers 9 Unit range 0 100 0 100 0 10 V R W Manual control of Y4 0 10 V where the output is not used by the application See Configuration register 103 Or control of the valve Y4 in the application selection RIO see HW configuration registers 9 Unit range 0 100 0 100 0 10 V L S Manual control of Y1 PWM where the output is not used by the application See Configuration register 103 Or control of the valve Y1 in the application selection RIO see HW configuration registers 9 Unit range 0 100 L S Manual con
47. on address and to station address parameters and Autoconfiguration is set to active Configuration can also be carried out manually To do this the Autoconfiguration parameter is set to inactive The Write button then causes the whole parameter set to be copied over to all station addresses from from station adddress to to station address If a station address within a selected range was not configured successfully the Config FBox interrupts Autoconfiguration at this point and displays Error in the right of the window next to the Write button with the relevant station number below When writing whether automatically or manually all parameters are stored directly in the room controller s EEPROM The previous settings are then lost To read the parameters it is sufficient to enter the S Bus address in the from station address parameter The Read out button causes the data to be passed from the room controller to the FBox Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 4 2 Saia Burgess Controls AG Example applications 4 5 Function ref Channel2 L79xN Room cB Room_10_En En Occupied Room_10_OccM OccMode SetPt Base_Set_Point SetPt Temp A Adjust L79x Room 2 2 iol x Fead All wwirite all Set Defaults Info Help aura S sternfunctions BACnet 3 IN Communication Station number oJ Auto configu
48. ounted within a pattress box Avoid direct exposure to sunlight or light from powerful lamps Do not install next to windows and doors because of draughts Do not install next to heat sources such as heaters refrigerators lamps etc Do not fit the compact room controller on places where airflow trough the direct air blowing of a VAV or Ventilation System or trough a downwind of cold air above the compact room controller exist E Avoid other temperature perturbation on the device Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 2 2 Saia Burgess Controls AG Commissioning instructions Assembly instructions 2 2 1 Mounting Disassembly Open the housing The screw on the underside of the unit unscrew something Remove lid down over the screw a bit of time Then hang at the top of the lid and remove it altogether a Cable implementation CO AITE It should be noted that all wires are screwed down tight that the ventilation slots are placed above and below positioning that the device is mounted horizontally that the 2 holes for the cable feed in have to be sealed for example with polyurethane foam or with the wall isolation that airflow in to the control ler from the cable duct which could influence the temperature measuring can be prevent Close the housing Analogously in reverse order as described in Open the housing
49. ration gt Yea Room controller works gt autonomous Station is master station gt 280 i ransmit values gt gt Change Value Communication WatchDog gt 299 te gt In order to use the Autoconfiguration function or individual communication with a compact room controller one Room FBox per room controller is required See section on Functionality actual values The room controller can then operate standalone as a master or as a slave 4 6 Control of free outputs Ecoma Jet Chairs IXN Room rdf Room_10_En En Occupied Channel2 Room_Y 3 m_ Room_10_OccM OccMode SetPt Base_Set_Point SetPt Temp Channel Room Va ages refRoom10 Channel2 Room_Relaym L79x AO Free outputs i e outputs not used by the selected application see Configuration can be controlled at will via the Saia PCD This requires the use of a Room FBox with a unique FBox name The outputs are passed to the Room FBox by the analogue output FBoxes The Room FBox is entered into the analogue output FBox as a reference See also Function manual output control Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 4 3 Saia Burgess Controls AG Example applications 4 7 Remote IO ref Channel tr RIO e Instead of standalone control operation internal regulation and control can also be completely disabled The outputs are then dependent only on
50. requireMentS sscesccceacatvacnecsonsreetecenbeaiecncceuacansdsceueseseynecateeiacesemeetenst 4 1 4 3 Initialisation soc cosive eeccrgearresevesins vartesntegaseenaataehanasaaneinletenisauenersunmnaceniaerennbiessasaeeaerean 4 1 4 4 COTM UO hearts ate E E E 4 2 4 5 FUNCIO hse ect cece cence th ne ce pate etree eon saps deco nnenaed anon ges aniedaciemate ca masenean eae 4 3 4 6 Controlof free OULDUNS siisi ena a aa AES dneaaneulonse 4 3 4 7 ROMO TO rset tease ese E E E 4 4 5 Register usage 5 1 Registers configuration cece ceeccceececeeceee cece eeeeeeeseeeeseeeeeeeeseeeeseeesaueeaeeeseeeens 5 1 5 2 Registers actual values sie scctncosaavcscceneheusmtauvadeesvotaiientslewessiesnneiisecesaebeevereeesnaens 5 5 Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 0 1 Saia Burgess Controls AG Contents 6 1 6 1 1 6 1 2 6 1 3 6 1 4 6 2 1 6 2 2 6 2 3 6 2 4 A 1 A 2 A 3 Technical data Room controllers with Serial S Ne t c cece cee eeececeeeeceeeeeeeeeeseeeeeeeeeaeeeeeeaeas 6 1 Performance data for Serial S Net oe ceeeecee cece eeeceeeeeeeeeeeeeeeeseeaeeeenenees 6 1 Electrical load on Serial S Net 02 0 0 cece eee eceeeeceeeeeeceeeeeeseeeeaeaeeeeeeaeeeeeraees 6 2 Technical overview of room controllers PCD7 L790N L793N 0 0 6 3 Dimension of room controller PCD7 L790N L793N noeneen 6 4 TV DG de CHO TON sarre E E EN 6 5 Technical data for PCD7 L790N 0 o
51. rol functions time or event driven are passed to the individual room controller by the automation station via suitably configurable function objects or network variables This supports individual parameterisation and operation of the room controller The device and hence the control function can also be influenced at any time via the Saia PCD master station For parameterisation there is a function object available in the library for every room controller type In the case of open network connections this is handled via network variables or network objects Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 1 3 Saia Burgess Controls AG Overview Possible uses 1 2 3 External regulation and control via the automation station The Saia PCD master station handles all regulation and control tasks The room controller itself is only used as a remote input output unit Regulation and control can then be adapted to requirements in a very flexible way For parameterization RIO function objects are provided in the room controller library Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 1 4 Saia Burgess Controls AG 1 3 Application overview for the PCD7 L79xN series Communication friendly control of all standard heating cooling elements with SBC Serial S Net including Radiators heating cooling with changeover m Radiator cooled ceiling combinations m Variable A
52. s Window contact E1 window Digital input for eee contacts When the window contact is open the controller automatically switches to Frost protection mode The contact polarity NOC NCC can be set in a configuration register See description of Config FBox or registers Additional input E2 aux input Additional digital input for floating contacts The control function of the aux input can be set in the configuration It can be configured as inactive as a 2nd window contact a presence sensor dew point monitor or change over contact See description of Config FBox or registers Voltage input Voltage input 0 10 V for optional use via S Bus 10 V Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 6 3 Saia Burgess Controls AG Technical data Room controllers with Serial S Net SBC Serial S Net slave data mode RS 485 max cable length 1200 m max stations see technical data 4800 9600 19200 38400 115200 bit s with automatic detection after restart Note All inputs can be read by the S Bus via a Room FBox or via registers independently of the application Outputs not used by the application can be freely controlled via S Bus as RIOs 6 1 4 Dimension of room controller PCD7 L790N L793N i r iN lt _ I J E H T i 55 80 a 31 Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 6 4 84 117 55 80 Saia Burges
53. s Controls AG Technical data Type description 6 2 Type description 6 2 1 Technical data for PCD7 L790N 24 VAC compact room controller for heating or cooling with 1 TRIAC output to control a thermal valve PWM an integrated temperature sensor and 2 digital inputs without user control CE PCD7 L790N TEIENEI TIENE WE 24V Power 800 mA Supply 24VAC S Bus Window Aux RS485 Contact Input eg ee a z ejsjejs z i L Power supply 24 V GND 24 VAC 1 5 W typ without actuating drives Valves Y1 GND Triac outputs 24 VAC 10 800 mA to control 1 Window contact E1 window Digital input for floating contacts contact valve with PWM signal Additional input E2 aux input Additional digital input for floating contacts Communication Communication SBC Serial S Net slave data mode Interface RS 485 max cable length 1200 m max stations see technical data Transmission rate 4800 9600 19200 38400 115200 bit s with automatic detection after restart Note For a detailed description of the inputs outputs see General technical specification Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 6 5 Saia Burgess Controls AG Technical data Type description CE PCD7 L790N PWM 24VAC S Bus Aux Window Aux RS485 0 10V Contact Input Serial S Net RS485 7 Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 6 6 Saia Burgess Controls AG
54. ster 41 set point adjustment register 34 Control The controller works with 2 independent PI controllers one for heating and one for cooling Each PI controller can be configured to the needs of the system with a proportional band and a run down time The dead zone between heating and cooling is dependent on the operating mode and can be parameterised separately for Comfort Standby and Reduced operation Where the FBoxes are used the parameters can be found in the Config FBox See section on Function settings control parameters In all other cases the settings can also be entered directly via the internal register in the controller Please note that all configuration parameters are held in the controller EEPROM and so cannot be written to cyclically Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 3 22 Saia Burgess Controls AG Function Dead band comfort Register Dead band standby Registers Dead band reduced Register 4 operation Control operating mode Depending on the control variance difference between set point actual values and the parameters set the controller will work in heating or cooling mode A configuration parameter register 101 can also be used to make ventilation independent from the mode This allows one to specify e g that in winter only heating is possible and in summer only cooling see Config FBox hardware ventilation mode Limits for heating
55. t 1 FL79x Room 2 1 q FL79x Setup 1 0 1 FLFoxh Config L79xN RIO q FL79xM Room Saia PG5 FUPLA FBox Selector The Room Control PCD7 L79xN FBox library for the single room controller contains all the FBoxes needed for Saia PG5 It can be dlwonloaded free of charge from the Saia Burgess Controls home page at www sbc support com Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 1 7 Saia Burgess Controls AG Overview Application overview 1 3 2 Phased out room controllers Active since Not recommended Phased out production ceased for new valid until Commercial Info fe projects Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 1 8 2 1 Saia Burgess Controls AG Commissioning instructions Safety instructions Commissioning instructions Safety instructions To guarantee safe operation the PCD7 L79xN devices should only be operated by qualified staff according to the details given in the operating instructions and ey in compliance with the technical data Qualified staff are people familiar with the assembly commissioning and operation of the devices and suitably trained for their job When using the system the legal and safety regulations applicable to the specific type of use must also be observed The room controllers have undergone a comprehensive pre delivery inspection ensuring that they left the factory in perfect condition Before co
56. temperature within the specified limits at standby level Use The room is in use and should be brought to a comfortable temperature The state can be reached by pressing the presence key addressing an external presence sensor or sneding an instruction over the network Library of function objects The PCD7 L79xN Room Control library pf function objects for the single room control lers can be downloaded free of charge from the Saia Burgess Controls home page at www sbc support com ref Channel L79xN Room amp En Occupied OccMode setPt Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 1 2 Saia Burgess Controls AG Overview Possible uses 1 2 Possible uses for the PCD7 L79xN series 1 2 1 Standalone control with no communication The controller regulates the room temperature without any connection to a bus system Control is handled entirely by the individual room controller based on the specified default parameter settings The outputs are driven by a control algorithm depending on the measured temperature The default set point setting of 21 C can be modified by the set point control according to the device 1 2 2 Standalone control with communication to the automation station The controller is run as a slave station with a unique Bus address within a serial S Net system Control is handled by the individual room controller with its own control algorithm The cont
57. ter a device replacement in the course of support work functionality can be reliably restored by the Saia PCD alone See also the description of the individual functions in the following sections Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 3 3 Saia Burgess Controls AG Function Communication Firmware version The Setup FBox provides details of the type and firmware version Where there is a connection to the room controller the Controller type and Firmware version are displayed in the Setup FBox ref Channel L 9x Setup Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 3 4 Saia Burgess Controls AG Function 3 2 Functions settings Functions settings The L79x compact room controllers have an integrated parameterised control program The parameters can be used to define the behaviour of the individual functions such as the room control unit hardware and regulation The settings can be entered automatically or manually via the Config FBox or set via individual S Bus registers The associated registers and their values are shown in tables in the appropriate places see Register description Chapter 5 Use of the Config FBox raf Channel L 9xN Conf Enable En ch With the from station address and to station address parameters a range of S Bus addresses can be defined for which the subsequent configuration applies Where automatic
58. trol of Y2 PWM where the output is not used by the application See Configuration register 103 Or control of the valve Y2 in the application selection RIO see HW configuration registers 9 Unit range 0 100 gt gt gt gt CO N O On Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 5 6 Saia Burgess Controls AG Register usage Registers actual values R Manual control of the heating valve in Manual mode see register 31 and configuration register 103 Unit range 0 100 R IW AN Manual control of the cooling valve in Manual mode see register 31 and configuration register 103 Unit range 0 100 IW 144 R Configuration for inverting the outputs Bit 0 Invert PWM output Y1 Bit 1 Invert PWM output Y2 Bit 2 Invert 0 10 V output Y3 Bit 3 Invert 0 10 V output Y4 0 not inverted 1 inverted Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 5 7 Saia Burgess Controls AG Technical data 6 1 1 Room controllers with Serial S Net Technical data Room controllers with Serial S Net PCD L79xN Type PCD 7 L790N PCD L791N PCD L792N PCD L793N Technical overview Description 24 VAC compact room controller for heating or cooling with 1 TRIAC output an integrated temperature sensor and 2 digital inputs without user control 6 24 VAC compact room controller for heating or cooling with 2 TRIAC outp
59. trols AG Function Functions control Permanently The controller works permanently in Reduced mode Presence detection is reduced deactivated This mode is suited e g to service activities where the room is occupied but the system does not need to be switched on Detecting a presence The PCD7 L792N L793N compact room controllers have a presence key The digital input E2 Aux Input can also be configured as an input for external pres ence sensors Contact at terminal E Is gt Occupancy dete without function Window contact ChangeOver Dew paint Occupancy detector Window contact For room control to work the window must be closed The controller has a digital input E1 Window Contact This contact polarity is configurable via the Config FBox or in register 105 Where window closed 0 contact closed 1 contact open Normal State window contact gt closed The digital input E2 Aux Input can also be configured as a second window contact in the Config FBox or in register 10 1 This contact always works with make contact polarity i e when the window is closed the contact must be closed Contact at terminal E2 is gt Window contact without function Window contact Changelver Dew point Occupancy detector EZ NTC EZ NTC Tab Change over With 2 tube change over applications see Config the controller needs information on whether heating or cooling mode is currentl
60. utputs see General technical specification Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 6 9 Saia Burgess Controls AG Technical data Type description PCD L 92N CE Open Close 3 Point A C S Bus Aux Window Aux RS485 0 10V Contact Input o gt Mt E amp psi 7yjetsi s safe2 i Service B Serial S Net RS 485 Gr Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 6 10 Saia Burgess Controls AG 6 2 4 Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 Technical data Type description Technical data for PCD7 L793N 24 VAC compact room controller for heating or cooling with 2 TRIAC outputs to control two thermal valves PWM or one 3 point valve open close 2 x 0 10 V outputs to control 2 valves cooled ceilings or variable air volume VAV systems an integrated temperature sensor and 2 digital inputs one 0 10 V input with analogue operation for set point setting and presence sensor with LED display CE ZN PCD7 L793N WI S Bus Aux RS485 0 10V Window Aux Contact Input Service ice B ce ee L Power Padana 24 V eee 24 VAC 1 5 W SE EER without actuating drives Outputs Terminl Valves Y1 Y2 Y1 GND Y2 Triac outputs 24 A N a 10 800 mA to control 2 valves with PWM signal or one 3 point valve When Y1 and Y2 are used at the same time then
61. uts an integrated temperature sensor and 2 digital inputs without user control 24 VAC compact room controller for heating or cooling with 2 TRIAC outputs an integrated temperature sensor and 2 digital inputs with analogue operation for set point setting and presence sensor with LED display 24 VAC compact room controller for heating or cooling with 2 TRIAC outputs 2 x 0 10 V outputs an integrated temperature sensor 2 digital inputs one 0 10 V input with analogue operation for set point setting and presence sensor with LED display Performance data for Serial S Net Saia PCD PCD3 M5540 Resources 90 Room FBoxes Registers 2600 Flags 1400 Data blocks 1 Program approx 50 000 lines Interface Channel 2 38400 baud Program cycles 360 cycles Communication cycle 1 4 seconds At a communication rate of 38 400 baud communication for a Room FBox takes approx 15 ms Only when the Saia PCD program takes longer than 15 ms per Saia PCD cycle does this value have to be used as a basis for estimating the communication cycle Communication cycle 15 ms per Room FBox x Number of Room FBoxes Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 6 1 Saia Burgess Controls AG Technical data Room controllers with Serial S Net 6 1 2 Electrical load on Serial S Net The compact room controller have a high impedance and place only a small load on Serial S Net They have an 8x higher impedance than a Standard
62. y set The controller can obtain this in formation via the S Bus or the digital input E2 Where S Bus is used the information is written to the Room FBox or register 38 Manual for PCD7 L79xN room controllers Document 27 602 EN02 2013 08 20 3 18 Saia Burgess Controls AG Function Functions control Register 38 Heating 0 Cooling 1 Digital input E2 Heating contact closed Cooling contact open Contact at terminal E2 is gt Window contact without function an ndow contact ChangeUver Dew point Ciccupancy detector E2Z NTC E2 NTC Tab Dew point In cooling mode dew may form on the cooling register To prevent this an information point is provided to close the cooling valve in the event of condensation The information can be written via the S Bus in conjunction with the Room FBox or register 39 Register 39 Normal operation 0 Coolingvalve closed 1 Digital input E2 Normal operation contact closed Condensation contact open Contact at terminal E2 is gt Dew point without function Window contact E2 NTC Tab Dew point delay When E2 is configured as dew point it has a timer before Authorizing again after the cool dew point alarm valve is removal This value may delay in the Config L79xN FBox be multiplied with a value of 20 sec With this new feature can be avoided that the cooling valve is always on and off when the conditions are around the dew point Register 113

- Show more

Contents

Download Pdf Manuals

Related Search

Related Contents