Table of contents Version 1.15.1 EN Disposal ...............................5 Standard delivery ..........................5 Installing and connecting the device ....................5 Fixing dimensions and measurements ......................5 Power supply ............................... 6 CAN bus cable selection and network topology ................... 6 DL bus and M-Bus connections ........................9 Data link for DL bus .............................
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DL settings ................................. 33 DL input ................................33 DL bus address and DL bus index....................... 33 Designation ..............................34 DL bus timeout ............................. 34 Unit ................................34 Value at timeout ............................34 Sensor check ..............................35 Sensor error ..............................35 DL digital inputs ............................
Installing and connecting the device The CAN-BC2 is integrated into a distribution box or fitted to a level mounting surface in a dry room, in accordance with local regulations. It can be snapped onto a top-hat rail (TS35 DIN support rail to EN 50022) or bolted onto the mounting surface via the 2 holes in the casing tray.
Installing and connecting Power supply The bus converter requires a 12 V power supply provided by the CAN bus network. The supply comes from one side of the CAN bus network only, as the other side is potential-free, i.e. the 12 V power supply is not looped through.
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Installing and connecting Example: Network across several buildings with CAN bus converter CAN-BC2 Key to symbols: … Device with its own power supply (UVR16x2, RSM610, UVR1611) … Device is supplied by the bus (CAN I/O, CAN-MT, …) … CAN bus converter (CAN-BC2) …...
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Installing and connecting Without CAN bus surge arresters: This version only protects against potential differences up to 1 kV and cannot be considered to offer lightning protection. In this case, the cable screen must be earthed at a single point between the CAN bus converters, as close to the cable centre as possible. We recommend earthing the screen indirectly in the other buildings using a gas discharge arrester.
Installing and connecting DL bus and M-Bus connections The polarity of the M-Bus connection is reversible. Data link for DL bus The DL bus has 2 wires: DL and GND (sensor earth). The DL bus itself supplies the power supply for the DL bus sensors.
The M-Bus is a master/slave system for reading data from energy and volume meters (electricity, heat, water, gas). The CAN-BC2 is designed for up to 4 M-Bus "unit loads". Up to 4 M-Bus meters, each with 1 unit load, can therefore be connected. The bus converter (master) cyclically reads the values from the individual devices.
Principles DL bus The DL bus was developed by Technische Alternative and is designed to read measurements from DL sensors. It has just 2 wires: DL and GND (sensor earth). The DL bus itself supplies the power supply for the DL bus sensors.
Programming with TAPPS2 / Designations Programming with TAPPS2 The following describes how to program the parameters for all elements using the TAPPS2 programming software. Designations All elements can be designated by selecting a predefined designation from various designation groups or from the user defined designations. You can also assign a number from 1 to 16 to every designation.
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Programming with TAPPS2 / Designations Enter the designations, finish with "OK" Select from the list of previously created user defined designations. The required designation is displayed...
Programming with TAPPS2 / Fixed values Fixed values In this menu you can define up to 64 fixed values, which can be used as input variables for functions, for example. Example: Fixed value type Once the required fixed value is selected, the fixed value type can be defined. •...
Programming with TAPPS2 / Fixed values Analogue Select from a wide range of units and dimensions After assigning the designation, you must define the permitted limits and the current fixed value. The value can be adjusted in the menu within those limits. Pulse A fixed value of this type allows short pulses to be generated by tapping it in the menu.
Programming with TAPPS2 / Fixed values Designation Enter the fixed value designation by selecting a predefined designation or one of the user defined designations. You can also assign a number from 1 to 16 to every designation. Restriction of change authority For all fixed values, you can set the user level from which the fixed value can be changed:...
Programming with TAPPS2 / Functions Functions You can choose from 41 different functions and create up to 22 functions. Functions can also be applied multiple times. Input variables are assigned to every function. The input variables provide the function with all the data required for the internal decision.
Programming with TAPPS2 / Functions Input variables Input variables constitute the link to output variables from other function modules or other sources. The descriptions of the function modules state the signal type for every input variable. Digital input signals (ON/OFF) can be applied as standard or inverse. Every function module has the "Enable"...
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Programming with TAPPS2 / Functions Certain input variables are always essential for the function to operate and cannot be set to "unused". They appear in purple in TAPPS2 and are highlighted in the description of the functions. Others can be optionally linked to sources. Example: TAPPS 2 Depiction in the manual: After linking to the source, you define which information (which variable) from the source will be...
Programming with TAPPS2 / Functions Parameters These parameters are values and settings which are specified by the user. They are settings which allow users to adjust the module to match the properties of their system. Example: Comparison function The parameters menu may also be divided into further sub-menus in the C.M.I. view, depending on the function.
Programming with TAPPS2 / Functions Hystereses Many parameters have adjustable start and stop differentials which have the effect of a switching hysteresis. Example: Demand temperature in the Heating demand function Demand is triggered at T.dem. set + Diff. on (= 61 °C); shutdown is triggered at T.dem. set + Diff. off (= 69 °C).
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Programming with TAPPS2 / Functions Some input variables can be either defined by the user or linked to other sources (inputs, functions, etc.). If they are not linked, their value is defined in the parameters area by the user instead. However, if the link is set up, the value will be displayed in grey in the parameters area and "I.V."...
Programming with TAPPS2 / Functions Function quantities (units) In many functions you can choose from a wide range of function quantities. These function quantities have units with varying numbers of decimal places. In all function calculations (exception: curve function), the units are converted to the smallest unit in each case (l/min to l/h;...
Programming with TAPPS2 / Functions Output variables Output variables represent the results of the function module. They can serve as the input variables for another function, or can be linked to bus outputs. A single output variable can also be linked multiple times to function input variables or bus outputs.
Programming with TAPPS2 / CAN bus CAN bus The CAN network allows communication between CAN bus devices. When analogue or digital values are sent via CAN outputs, other CAN bus devices can utilise those values as CAN inputs. Up to 62 CAN bus devices can be operated in one network. Every CAN bus device must be given its own node number in the network.
Programming with TAPPS2 / CAN bus Bus rate The standard bus rate of the CAN network is 50 kbit/s (50 kBd), which is preset for the CAN bus devices. An individual bus rate can be set for each side of the CAN bus converter ("CAN bus 2" = potential-free, disconnected CAN bus network).
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Programming with TAPPS2 / CAN bus CAN datalogging requires C.M.I. version 1.26.2 or higher and Winsol version 2.07 or higher. CAN datalogging is only possible with the C.M.I. datalogger. The data to be logged can be freely selected. There is no constant data output. When requested by a C.M.I., the bus converter saves the current values to a logging buffer and locks this to prevent overwriting (if requests are received from another C.M.I.) until the data is read, at which point the logging buffer is enabled again.
Programming with TAPPS2 / CAN bus CAN analogue inputs Up to 64 CAN analogue inputs can be programmed. They are defined by specifying the transmission node number and the number of the transmission node's CAN output. Node number After the node number of the transmission node is entered, the other settings can be specified. The number of a CAN analogue output is taken from the device with that node number and applied here.
Programming with TAPPS2 / CAN bus Unit If the measured variable is set to "Automatic", the unit of measurement specified by the transmission node will be applied in the controller. If you select "User def.", you can select a unit of your own, a sensor correction and, if the sensor check is set to active, a monitoring function.
Programming with TAPPS2 / CAN bus Sensor check If you set the sensor check to "Yes", the sensor error of the sensor supplying the CAN input is available as an input variable for a function. Sensor error This setting is only displayed if sensor check is active and the measured variable is set to "User def.".
Programming with TAPPS2 / CAN bus CAN analogue outputs Up to 32 CAN analogue outputs can be programmed. They are defined by specifying the source in the bus converter. Link to the source in the module which supplies the value for the CAN output. •...
Programming with TAPPS2 / CAN bus CAN digital outputs Up to 32 CAN digital outputs can be programmed. They are defined by specifying the source in the bus converter. Their parameters are programmed in exactly the same way as for the CAN analogue outputs except for the transmission conditions.
Programming with TAPPS2 / DL bus DL bus The DL bus acts as a bus cable for various sensors and/or for datalogging by C.M.I. or D-LOGG. The DL bus is a bidirectional data link and is only compatible with products from Technische Alternative.
Programming with TAPPS2 / DL bus Designation Every DL input can be given its own designation. The designation can be selected from various designation groups or can be user defined. Example: DL bus timeout As long as the information continues to be imported from the DL bus, the network error for the DL input will be "No".
Programming with TAPPS2 / DL bus Sensor check If you set the sensor check to "Yes", the sensor error of the sensor supplying the DL input is available as an input variable for a function. Sensor error This setting is only displayed if sensor check is active and the measured variable is set to "User def.".
Programming with TAPPS2 / DL bus As the DL sensors have a relatively high power demand, the "bus load" must be considered: The bus converter supplies the maximum bus load of 100 %. The bus loads of the DL sensors are listed in the technical data of each DL sensor.
The M-Bus is a master/slave system for reading data from energy and volume meters (electricity, heat, water, gas). The CAN-BC2 is designed for up to 4 M-Bus "unit loads". Up to 4 M-Bus meters, each with 1 unit load, can therefore be connected. The bus converter (master) cyclically reads the values from the individual devices.
Programming with TAPPS2 / M-Bus M-Bus input Up to 32 M-Bus inputs can be programmed. For a connected M-Bus device, device information and data received can be read by pressing the "List" button. Example: C.M.I. view for a connected M-Bus meter After 255 access attempts, the access number is reset to...
Programming with TAPPS2 / M-Bus Device information Information about the device and manufacturer is shown at the top. The item "Data type" also enables "Device information" to be selected, in order to read out data such as the identification number or device type.
Programming with TAPPS2 / M-Bus Unit If the measured variable is set to "Automatic", the unit of measurement specified by the M-Bus device will be applied in the bus converter. If you select "User def.", you can select a unit of your own, a sensor correction and, if the sensor check is set to active, a monitoring function.
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Programming with TAPPS2 / M-Bus By selecting suitable thresholds and output values, a fixed value can be specified for the bus converter in the event of a measurement failure, to allow a function to continue operating in emergency mode (fixed hysteresis: 10 or 1.0 °C). The short circuit threshold must be defined below the lead break threshold.
Programming with TAPPS2 / System values System values The following system values can be selected as the source for function input variables and CAN and DL outputs: • General • Time • Date • "General" system values When programmed accordingly, these system values allow monitoring of the controller system. •...
Programming with TAPPS2 / Device settings Device settings This menu allows global settings to be made for the bus converter and bus settings to be made. General Currency Select the currency for yield metering Technician / Expert password Entry of the passwords for this programming. Access to menu Definition of the user levels from which access to the main menu is permitted.
The values for geographical latitude and longitude are used to determine the location-specific solar data. That data can be used in functions (e.g. shading function). The factory default settings for the GPS data are for the location of Technische Alternative in Amaliendorf, Austria.
C.M.I. Menu / Date / time / location C.M.I. Menu Date / time / location The Date and Time are shown in the status line at the top right. As the bus converter does not have its own clock function, the time and date are taken from network node 1 and cannot be changed in the bus converter.
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The values for geographical latitude and longitude are used to determine the location-specific solar data. That data can be used in functions (e.g. shading function). The factory default settings for the GPS data are for the location of Technische Alternative in Amaliendorf, Austria.
C.M.I. Menu / Value summary Value summary This menu item shows the current values for the DL inputs and the analogue and digital CAN inputs. The various values are displayed by selecting the group required. Example: CAN bus analogue...
C.M.I. Menu / Fixed values Fixed values Changing a digital fixed value Selecting a button with a light background allows you to change the fixed value. Example: Changeover from ON to OFF via a selection box...
C.M.I. Menu / Fixed values Changing an analogue fixed value Tapping a button with a light background allows you to change the fixed value. Example: The current value is shown (example: 50.0°C). The set value can be changed by clicking the UP or DOWN arrow.
C.M.I. Menu / Fixed values General settings This menu is only accessible for the "Technician" or the "Expert". This menu serves to input settings which then take effect for all other menus and displays. Simulation – cannot be used in the bus converter Access to menu –...
C.M.I. Menu / Version Version and serial number This menu item displays the serial number, internal production data and the name of the current function data (with date). The serial number is also visible on the module's rating plate.
C.M.I. Menu / Messages Messages This C.M.I. menu displays activated messages. Example: Message 1 is active. If there is at least one active message, a warning symbol will appear in the upper status line. More detailed information on the messages is provided in the programming manuals for the UVR16x2, RSM610 and CAN-I/O 45.
C.M.I. Menu / User User Current user When entering the menu of the module, the user is in the user level. To enter the technician or expert level, a password must be entered, which can be set by the programmer. After function data has been loaded, the module returns to the user level and adopts the programmed passwords.
C.M.I. Menu / User List of permitted actions User Displays and permitted actions • Access to main menu only if enabled for "User" in the "General settings" • Value summary • Fixed values: Changes to the value or status of the fixed values enabled for users;...
Data administration Data administration C.M.I. - Data administration menu Display the current function data with the time of loading Total reset A total reset can only be carried out from the technician or expert level and requires confirmation when prompted. A total reset deletes the function modules, the parameter settings of all inputs and outputs, bus inputs and outputs, fixed values and system values.
Data administration Loading function data or updating firmware via C.M.I. In the data admin C.M.I. menu, function data can be loaded or saved and the firmware (the operating system) can be loaded onto the module. A separate operating system version is required for each language. Consequently, unlike the UVR16x2 controller, the bus converter does not have a menu for language selection.
Data administration Loading function data or updating firmware via UVR16x2 or CAN- MTx2 The data transfer can only be carried out in the technician or expert level, in the data admin menu. In order to send the file to the module, tap the plus symbol. A number of options will appear for selection.
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Data administration Select the node number and then tap Tapping cancels the action. The data transfer is only possible after a technician or expert password has been entered for the target device.
Data administration Reset The reset button is located behind a hole in the cover. Pressing the reset button briefly will restart the bus converter (= reset). Total reset: Pressing the button down for a long time causes the status LED to start flashing quickly. The button must be held down until the quick flashing changes to slow flashing.
Reset / LED status indicators Technical data Max. bus load (DL bus) 100 % CAN bus Standard data rate 50 kbit/s, adjustable from 5 to 500 kbit/s for both sides of the CAN bus M-Bus Standard baud rate 2400 Bd; adjustable from 300 to 38,400 Bd; data from max.
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EU Declaration of Conformity Document number / Date: TA17065 / 23/03/2017 Manufacturer: Technische Alternative RT GmbH Address: A-3872 Amaliendorf, Langestrasse 124 The manufacturer bears sole responsibility for issuing this Declaration of Conformity. Product designation: CAN-BC2 Brand names: Technische Alternative RT GmbH...
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2. The guarantee includes free repair (but not the cost of on-site fault finding, removal, refitting and shipping) due to processing and material defects which impair operation. Goods will be replaced in the event that a repair is uneconomical in the opinion of Technische Alternative for reasons of cost.
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