Specification Thanos Modbus - Contemporary Controls

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Protocol Descriptionthanos ModBus&thanos SR ModBusThermokon Sensortechnik GmbH - www.thermokon.de - email@thermokon.de

Protocol description Thanos ModBus1 Index of changesRevisionDateDescriptionA25.07.2011 First draftB12.09.2011 Version LQ addedC22.09.2011 Additional menu functions addedD01.02.2012 Update to new firmware (“Operating Unit” 1.6 / “Net Unit” 1.4):- Description for thanos SR x MODBUS addedUpdate to new firmware(“Operating Unit” 1.7.0 / “Net Unit” 1.5.0):- Description for thanos S / SQ addedE30.03.2012 Update to new firmware(Operating Unit 1.8.0 / Net Unit: 1.6.0):- Description for Soft-/Firmwareupdates added- Register description for Standardscreen, Parameterversion and FanCoilOFF / AUTO added- Sundry correctionsF10.07.2012 - Update to new configuration software (version 1.3.0.0).- Description for “Restart over Modbus” added.Thermokon Sensortechnik GmbHSeite 1

Protocol description Thanos ModBusTable of Contents1Index of changes . 12Introduction . 43Description . 4456783.1Operating interface. 43.2Menu area. 83.3Touch keys . 10Hardware Installation . 114.1RS485 Transceiver . 114.2Protocol . 114.3Start-up. 12Function description . 155.1General . 155.2Temperature . 165.3Humidity . 175.4Touch keys . 185.5LC-Display. 285.6Set points 1-6 . 305.7External values 1-6 . 325.8Messages . 345.9Symbols . 355.10Time and Date . 365.11Fan coil . 375.12Occupancy. 385.13Digital Inputs . 395.14PI-controller . 405.15Restart via Modbus . 47thanos-Modbus Protocol . 486.1Control Commands Supported . 486.2Data Administration . 49Register overview. 507.1Parameter . 507.2Data points . 70EnOcean Gateway . 79Thermokon Sensortechnik GmbHSeite 2

Protocol description Thanos ModBus8.1EnOcean Receiving Registers . 798.2EnOcean Transmitting Register . 859Data Transmission . 889.1Master/Slave Protocol . 889.2Data Frame . 889.3Transmission Mode RTU. 8810Examples: Telegrams . 9010.1Register . 9010.2Coil / Bit Allocation . 9311Update Firmware . 9412Update Configuration Software . 96Thermokon Sensortechnik GmbHSeite 3

Protocol description Thanos ModBus2 IntroductionThe present document describes the serial interface of the room operating panel- thanos ModBus- thanos SR ModBus (functionality like thanos ModBus, but with additionalEnOcean ModBus gateway)For further information and definitions on the topic Modbus, please see www.modbus.org.3 Description3.1 Operating interfaceFor the thanos type S / SQ the operating interface is divided into one, and for the L / LQ into twozones: Menu area for control and display Keypad for control (Version L / LQ only)On thanos S / SQ is also the possibility to configure submenus, over which a similar functionality asthe keypad on thanos L / LQ is available. For details, see Chapter 5.4.HeaderInfo lineTouch keysDisplay rangeStatus lineMenu lineFunctional clipFigure 1 – thanos SThermokon Sensortechnik GmbHSeite 4

Protocol description Thanos ModBusHeaderInfo lineTouch keysFunctionalclipStatus lineMenu lineDisplay rangeFigure 2 – thanos SQThermokon Sensortechnik GmbHSeite 5

Protocol description Thanos ModBusHeaderInfo lineTouch keysDisplay rangeMenu areaStatus lineMenu lineFunctional clipKeypadFigure 3-3 thanos L Operating interfaceThermokon Sensortechnik GmbHSeite 6

Protocol description Thanos ModBusFunctional clipHeaderStatus lineMenu lineInfo lineDisplay rangeMenu areaKeypadFigure 3-4 - thanos LQ operating interfaceThermokon Sensortechnik GmbHSeite 7

Protocol description Thanos ModBus3.2 Menu areaHeader:In the header the current date and time can be displayed in different formats.The thanos has a battery backed Real Time Clock so that the correct time is displayed even after avoltage breakdown.Info line:In the info line a free selectable message text with a length of up to 14 signs can be displayed.Display range:Among others, the following values can be shown in the display range: Room temperature, relative humidity (optional) 6 effective set points and offset with free selectable unit and description 6 external values with free selectable unit and descriptionMoreover, the values and status of an active menu are displayed.Status line:In the status line the symbols for fan stages, room occupancy, failure, heating, cooling, window anddew point can be inlayed.Menu line:In the menu line different menu points can be saved. They can be called-off by the user when touchingthe corresponding symbol.The following menu points can be parameterized:Set pointFan coilOccupancy modeLight, Blind, UniversalThermokon Sensortechnik GmbHSeite 8

Protocol description Thanos ModBusIf a menu point is selected the corresponding symbol is displayed grey-shaded in the menu line and inthe display line the value/status is displayed which can be changed in the corresponding menu. Bymeans of the operating key (depending on the function: either/ or/ ) the value/status canbe changed afterwards.Examples:Menu „Temperature set point“Menu „Fan coil“Menu „Occupancy“Figure 3-5 MenuThermokon Sensortechnik GmbHSeite 9

Protocol description Thanos ModBus3.3 Touch keysOn thanos L / LQ the keypad consists of 8 keys in total. The keys are soft keys so that the functions ofthe keys can be freely adjusted via the configuration software. If a key is touched, the correspondingfunction is visually shown in the display.Example:Figure 3-6 Touch keysIn the lower operating interface the key “blind 2 up” was selected. In the display area thecorresponding symbol is displayed in big. Next to it the actuated symbol, e.g.is displayed.After a freely programmable time the display indication is reset to the original display indication.Thermokon Sensortechnik GmbHSeite 10

Protocol description Thanos ModBus4 Hardware InstallationThe transceiver can be connected with a twisted-pair-cable (resistance 120 Ohm) to the Bus. It ishighly recommended to use shielded cables. The MODBUS-Protocol developed by company Modiconis a disclosed protocol for communication of several intelligent Master-Slave based devices.For detailled information on installation and mounting please see the product data sheetthanos Modbus and the data sheet wiring rs485 network.pdf.4.1 RS485 TransceiverThe maximum number of bus participants without use of a repeater is preset by the RS485-transceiver.The transceiver used allows 128 devices per bus segment at maximum.4.2 ProtocolThe thanos-MODBUS is a slave-bus participant only allowed to send to the bus on demand of themaster. The protocol is identical with the defaults of:- MODBUS Application Protocol Specification V1.1- MODBUS via Serial Line Specification & Implementation guide V1.0Thermokon Sensortechnik GmbHSeite 11

Protocol description Thanos ModBus4.3 Start-upFor the Modbus specified parameter thanos disposes of an extra menu. The polling is made bysimultaneous touching of key 1 and 7 for approx. 5 seconds. Afterwards the following display screenappears:Learn( 00,0 C)SignalKey functionsScrolling in the menuSet valuesAccept/Abort the action. Both results in leaving the configuration menus.Thermokon Sensortechnik GmbHSeite 12

Protocol description Thanos ModBusFollowing settings are available in modification mode: temperature offset, humidity offset, deviceaddress, baud rate and parity.( 00,0 C)( 00,0%)Menu temperature offsetMenu humidity offsetMenu baudrateMenu parityMenu address4.3.1 Temperature offsetEach temperature sensor is factory calibrated. Because of the voltage-depending self-heating of theelectronics and the temperature dynamic of the wall, in some cases a subsequent calibration can benecessary. The calibration mode enables a possibility for the user to calibrate the device itself viabuttons.4.3.2 Humidity offset (in case of existing humidity sensor)Used for calibration of the humidity sensor4.3.3 Device addressIt is possible to adjust addresses from 1-127 – Default: 1.Thermokon Sensortechnik GmbHSeite 13

Protocol description Thanos ModBus4.3.4 Baud rateFollowing baud rate options are supported:12345960019200 - Default38400576001152004.3.5 ParitityFollowing parity options are supported:123Even - DefaultOddNoneMode: RTU (not changeable)Important notice for operation in the Master/Slave system:!! The bus address must be adjusted differently for each device!! Transmission mode, baud rate and parity must be identicalThermokon Sensortechnik GmbHSeite 14

Protocol description Thanos ModBus5 Function description5.1 GeneralAmong others, the menu „General“ includes general information on modules and assemblies as wellas a parameter for setting the minimal response time and selection for device uration register (Holding Register R/W)AddressNameDescription4x0000Device codingInternal Thermokon device code4x0001Firmware revisionCurrent firmware revision4x0002Device typeThanos device type (L or S version 0 S, 1 L)4x0003Humidity sensorFeedback if humidity sensor is available4x0004Rotation LC-displayHorizontal or vertical device rotation4x0005Device location identificationAssign a location specific code number to the device.4x000CTime cleaning functionBy touching the functional clip for more than 10s the cleaning mode is activated. Whilecleaning mode is active the keys are not interpreted.4x000DDevice TypeReserved (read only)4x000EModbus Minimum responsetime [ms]Minimum response time of the device for adaptations due to master requirements4x009BLock external valuesThe locking will be enabled when changing the status of room occupation, fan stagesand set points as well as menu functions light, shutter/blind and universal. Due to achange of the above-named functions by the user, the corresponding input registers forthe parameterized times will be decoupled which means that updates of the currentinput registers have no influence on them. Updates will only be adopted after expirationof the locking time. The locking provides time for the system to synchronize the currentstate with the room panel and the superior system.4x0160Volume button soundRegulate volume of button sound between 0 and 100%4x0171StandardscreenSelection if submenu #1 should work as “main menu”. If this is selected, notemperature, set points, etc. will be displayed in the display (only available on types S /SQ).4x0172ParameterversionVersion of the Configuration Parameters (read only)4x0173FanCoil “OFF / AUTO only”If this parameter is selected, the user can change the fan stage only between OFF andAUTO.Configuration bitsAddress0x0004NameDescriptionActivate device firstDevice is/is not activated by touching the functional clip to get access to the touch keysTable 5-1 Overview general configuration bits and register generalThermokon Sensortechnik GmbHSeite 15

Protocol description Thanos ModBus5.2 TemperatureThe temperature range is 0-50 C with a resolution of 0.1K. A possibility to set an offset is given dueto possible deviations caused by outer influences. The indication of the temperature in the display canbe enabled/disabled, shown with/without decimal place. Furhermore C and F are available as on register (Holding Register R/W)Address4x0006NameDescriptionTemperature offsetDue to the fact that temperature measuring with flush-mounting sensors is besides thevoltage-dependence, self-heating of the electronics also affected by the temperaturedynamic of the wall, a recalibration might become necessary in some cases.Configuration bitsAddressNameDescription0x0000Display temperatureON/OFF0x0002Resolution temperature0x0005Unit temperature0 hide1 show0 no decimal place1 decimal place0 F1 CTable 5-2 Overview configuration bits and register temperature5.2.1.2OutputOutput register (Input Registers R)Address3x0315NameDescriptionTemperatureLocal temperature given by internal sensor value or external register. Includes configuredoffset in register 6: temperature and offsetTable 5-3 Overview output register temperatureThermokon Sensortechnik GmbHSeite 16

Protocol description Thanos ModBus5.3 HumidityThe humidity sensor (if existing) has an accuracy of 3% in the range of 20-80% rH. The resolution is0.1%. A possibility to set an offset is given due to possible deviations caused by outer influences. Theindication of humidity in the display can be en-/disabled as well as the on register (Holding Register R/W)Address4x0007NameDescriptionOffset humidityCompensate deviations due to voltage-dependent self-heating of the electronics andtemperature dynamic of the wallConfiguration bitsAddressName0x0001Display humidity ON/OFF0x0003Resolution humidityDescription0 hide1 show0 no decimal place1 decimal placeTable 5-4 Overview configuration register humidity5.3.1.2OutputOutput RegisterAddress3x010FNameDescriptionHumidityLocal humidity given by internal sensor value or external register 4x0007: OffsethumidityTable 5-5 Overview output register humidityThermokon Sensortechnik GmbHSeite 17

Protocol description Thanos ModBus5.4 Touch keysThe operating unit of the thanos is divided into 3 areas. In the upper field, the menu area with up to 5parameterizable buttons is placed, in the second part the direct keypad with 8 keys (L / LQ) or 24keys (S / SQ – via submenus) is found and in the centre a capacitive function clip is placed.The keys of the menu area can only be assigned with menu functions while the capacitive clip and thekeys of the direct keypad can only be assigned by various toggling and on/off functions. Clip, menuarea and keypad can be blocked by a superior BMS. Two output registers are available for indicationof the touch keys. The first one is used for the indication of the current states. The second one is amemory function to save the key-actuation since the last read-out. This register is reset after read-outto the current state. There are further registers for the output of special functions (light, dimming,blinds and universal). In those extra registers the states of the functions (status of light, blind ) areindicated.Furthermore customized indexes from 0-9 (one index for one channel) can be assigned to the functions(e.g. Light ON/OFF) which enables up to 10 functional channels. In every function-register all statesare encoded bitwise (Bit 0 Index/channel 0, Bit1 Index/channel 1, Bit 2 Index/channel 2, ).Example:You decided to parameterize the keys as follows (see chapter 5.4.1.1):Key 8 Light OFF Index 1Key 9 Light ON Index 1Key 10 Light OFF Index 2Key 9 Light ON Index 2Key 12 Light OFF Index 3Key 9 Light ON Index 3Key 14 Light OFF Index 4Key 9 Light ON Index 4So you created 4 light-channels. Their status can be read and are writable via the output register“status light function”.Output register „status light function“:MSBLSB15 14 13 12 11 10987undefined6543210State light 0State light 1 State light 8State light 9Thermokon Sensortechnik GmbHSeite 18

Protocol description Thanos ModBusCaution:It is mandatory to connect each key with a channel/index (see chapter 5.4.1.3) which shall be occupiedwith a function like light, dimming, shutter/blind or universal.If two shutters/blinds are necessary they have to be parameteriz

4.2 Protocol The th anos-MODBUS is a slave-bus participant only allowed to send to the bus on demand of the master. The protocol is identical with the defaults of: - MODBUS Application Protocol Specification V1.1 - MODBUS via Serial Line Specification & Implementation guide V1.0

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