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SBC PCD7.L79xN User Manual

Room controller
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User manual
the compact PCD7.L79xN room controller
Controls Division
Document 27/602; Version EN02 │ 2013-11-27

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Summary of Contents for SBC PCD7.L79xN

  • Page 1 User manual the compact PCD7.L79xN room controller Controls Division Document 27/602; Version EN02 │ 2013-11-27...
  • Page 2 Saia-Burgess Controls AG Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 3: Table Of Contents

    Function ......................4-3 Control of free outputs ..................4-3 Remote IO ...................... 4-4 Register usage 5.1 Registers, configuration .................. 5-1 Registers, actual values ................. 5-5 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 4 Technical data for PCD7.L792N ..............6-9 6.2.4 Technical data for PCD7.L793N ..............6-11 Appendix Icons ....................... A-1 Order codes ....................A-2 Address of Saia-Burgess Controls AG ............A-3 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 5: Document History

    ® ® 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  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 6: Overview

    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  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 7 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 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 8: Possible Uses For The Pcd7.L79Xn Series

    In the case of open network connections, this is handled via network variables or network objects. Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 9: External Regulation And Control Via The Automation Station

    For parameterization, RIO function objects are R I O provided in the room controller library. Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 10: Application Overview For The Pcd7.L79Xn Series

    Room Valves Room controllers control PCD7.L791N 24 V PWM Cooling ceiling PCD7.L792N 24 V PWM PCD7.L793N 24 V PWM or 0…10 V Radiator Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 11: Device Overview And Technical Details Of The Compact Room Controller

    0…10 VDC  /   m ax. load 2 mA Housing: Plastic, white, surface mounted, IP20 protection Dimensions: 82 × 117 × 31 mm (W × H × D) Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 12 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  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 13: Phased-Out Room Controllers

    Phased out (production ceased) for new valid until / Commercial Info projects PCD7.L790N December 2011 PCD7.L791N December 2011 PCD7.L792N December 2011 PCD7.L793N December 2011 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 14: Commissioning Instructions

    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  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 15: Assembly Instructions

    VAV or Ventilation System or trough a downwind of cold air above the compact room controller exist. Avoid other temperature perturbation on the device Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 16: Mounting / Disassembly

    ● 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” to proceed. Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 17: Procedure For The Temperature Calibration On Commissioning

    The calibration can be set in the Room-FBox “Correction temperature °K” or it can be written to register 8. Note: This parameter is only applicable if the temperature sensor is selected as “L79x” (in the config-FBox) Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 18 “dynamic correction” (stage 1 up to 5). Stage Effect None Without dynamic correction increase of the dynamic correction Maximum → for several parallel connected valves Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 19: Function

    Setup FBox via the "Enable" input. If proper communication is established, the LED for the SASI S-Bus master FBox should stay green. Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 20 ® 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  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 21 Saia PCD alone. ® See also the description of the individual functions in the following sections. Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 22 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. Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 23: Functions, Settings

    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. Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 24: Functions, Settings, Room Control Unit

    Terminals Triac PWM output 0…100 % Triac PWM output 0…100 % Analogue 0…10 V output 0…100 % Analogue 0…10 V output 0…100 % Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 25 Y2(Y4) 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  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 26 The communications watchdog is run automatically from the "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). Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 27: Functions, Settings, Hardware

    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  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 28 PCD7.L79xN controller. The accuracy of this temperature measurement is lower than the internal temperature sensor of the room controller. 3-10 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 29 3-point output, this parameter holds the motor running time. Range of settings: FBox 20  . ..  6 00 s Registers 20  . ..  6 00 s 3-11 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 30 Reg 3 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%. 3-12 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 31 Functions, settings With this 4 adjustable registers it is possible to use a lot of different 6-way valve-types with the PCD7.L793N controllers. 3-13 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 32: Functions, Settings, Control Parameters

    Deadband comfort mode °K (register 2) Range of settings: (default 2 K) FBox 0  …   2 0 K Registers 0  …   2 00 K/10 3-14 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 33 Heating - proportional band °C (register 6) Range of settings: (default 5 K) FBox 0,5  …   1 0 K Registers 5  …   1 00 K/10 3-15 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 34 Range of settings: (default 6 → 60 mins) FBox 0  …   2 40 × 10 mins Registers 0  …   2 40 × 10 mins 3-16 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 35: Functions, Control

    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. 3-17 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 36 S-Bus or the digital input E2. Where S-Bus is used, the information is written to the Room FBox or register 38. 3-18 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 37 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: 3-19 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 38 - Value 2 => Standby - Value 5 => Reduced Night This can be useful if the controller works in stand-alone (without S-Bus communication) 3-20 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 39 If this parameter will be changed for example 4 times per day, the lifetime of this EEPROM parameter will be 7 years. 3-21 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 40: Functions, Regulation

    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. 3-22 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 41 The current value is set in the Room FBox (register 142 for cooling and register 143 for heating) Range: 0…100 %, default: 100 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 42: Functions, Actual Values

    “-SetPt “ Active base set point (register 41) for cyclical calculation of control set point. (See section on "Functionality") 3-24 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 43 "Pause after communication error". A description of the L79x Room FBox settings can be found in the online help for Saia PG5 ® 3-25 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 44: Functions, Manual Output Control

    (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. 3-26 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 45 Hysteresis 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. 3-27 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 46: Functions, Master/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. 3-28 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 47: Example Applications

    «Channel 2». 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  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 48: Configuration

    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  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 49: Function

    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  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 50: Remote Io

    The outputs are then dependent only on the communication master. For this RIO (remote input-output) operation, the RIO FBox is provided. Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 51: Register Usage

    RX-TX Pull down 330 Ohm Segment lenght max. 1200 m max. 32 stations The active Bus connection is switched on and off via the Configuration register. No Bus connection (default setting) Active Bus connection enabled Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 52 2-tube heating with 2 valve outputs controlled in parallel Heating valve 1: Y1(Y3) Heating valve 2: Y2(Y4) 2-tube change-over with 2 valve outputs controlled in parallel Valve 1: Y1(Y3) Valve 2: Y2(Y4) 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  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 53 Room temperature picked up by S-Bus in register 30 Dynamic correction selection. Default 2 without stage 1 stage 2 stage 3 stage 4 stage 5 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 54 A value of 0 disables the integer portion, pure P control. Range: 0  …   1 000 seconds, default: 0 Valve limit for cooling (CoolY) Range: 0…100%, default: 100 Valve limit for heating (HeatY) Range: 0…100%, default: 100 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 55: Registers, Configuration

    Range 0…400, step 0.1°C 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  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 56 Unit: [%], range: 0  …   1 00 Manual control 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  …   1 00 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 57 Bit 2: Invert 0  …   1 0 V output Y3 Bit 3: Invert 0  …   1 0 V output Y4 0 = not inverted, 1 = inverted Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 58: Technical Data

    ® communication cycle. Communication cycle = "15 ms per Room FBox" × "Number of Room FBoxes" Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 59: Electrical Load On Serial S-Net

    Number of Saia PCD systems on a Serial S-Net line: ® Number of Saia PCD controls Number of compact room controllers ® … … … … Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 60: Technical Overview Of Room Controllers Pcd7.L790N - .L793N

    See description of Config FBox or registers Voltage input E3, Aux Voltage input 0...10 V for optional use via S-Bus. 0…10 V Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 61: Dimension Of Room-Controller Pcd7.L790N - .L793N

    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 55.80 83.50 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 62: Type Description

    Transmission rate 4  8 00, 9  6 00, 19 200, 38 400, 115 200 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  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 63 Technical data Type description PCD7.L790N 24VAC Power 0-10V 800 mA Supply 24VAC S-Bus Aux. Window RS485 0-10V Contact Input Service Serial S-Net RS485 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 64: Technical Data For Pcd7.L791N

    Transmission rate 4  8 00, 9  6 00, 19 200, 38 400, 115 200 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  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 65 Type description PCD7.L791N Open Close 3-Point 24VAC Power 0-10V 800 mA Supply 24VAC S-Bus Aux. Window RS485 0-10V Contact Input Service Serial S-Net RS485 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 66: Technical Data For Pcd7.L792N

    Transmission rate 4  8 00, 9  6 00, 19 200, 38 400, 115 200 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  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 67 PCD7.L792N Open Close 3-Point 24VAC Power 0-10V 800 mA Supply 24VAC S-Bus Aux. Window RS485 0-10V Contact Input Service Serial S-Net RS485 6-10 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 68: Technical Data For Pcd7.L793N

    Transmission rate 4  8 00, 9  6 00, 19 200, 38 400, 115 200 bit/s with automatic detection after restart Note For a detailed description of the inputs/outputs, see "General technical specification". 6-11 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...
  • Page 69 24VAC 0-10V 0-10V external ! Power 0-10V 800 mA Supply 24VAC S-Bus Aux. Window RS485 0-10V Contact Input Service Serial S-Net RS485 6-12 Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 70: A Appendix

    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  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 71: Order Codes

    Heating or cooling with 2 TRIAC and 2× 0  …   1 0 VDC outputs and analogue user control (set-point potentiometer, presence key with LED display) Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

  • Page 72: Address Of Saia-Burgess Controls Ag

    Support: www.sbc-support.com Postal address for returns from customers of the Swiss Sales office: Saia-Burgess Controls AG Service Après-Vente Bahnhofstrasse 18 3280 Murten  Manual for PCD7.L79xN room controllers  │   D ocument 27 / 602  EN02  │   2 013-11-27...

This manual is also suitable for:

Pcd7.l79 seriesPcd7.l790Pcd7.l793Pcd7.l794Pcd7.l791Pcd7.l792

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