Technische Alternative CAN-BC2 Guía de instalación

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Manual version 1.15.1 English

CAN-BC2

CAN-Bus converter

Installation instructions

Programming manual

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 .............................................................................................................................................9

Bus load from DL sensors..............................................................................................................................9

M-Bus cable..........................................................................................................................................................9

Principles.......................................................................................................................................... 10

Minimum system requirements ................................................................................................................. 10

Interfaces .................................................................................................................................................. 10

Potential-free CAN bus with increased interference resistance.................................................................... 10

M-Bus (measurement bus)............................................................................................................................... 10

DL bus................................................................................................................................................................ 11

Modules............................................................................................................................................................. 11

KNX module MD-KNX.................................................................................................................................. 11

Modbus/M-Bus module .............................................................................................................................. 11

Programming with TAPPS2.............................................................................................................. 12

Designations.............................................................................................................................................. 12

User defined designations................................................................................................................................ 12

Fixed values............................................................................................................................................... 14

Fixed value type ................................................................................................................................................ 14

Digital ........................................................................................................................................................... 14

Analogue...................................................................................................................................................... 15

Pulse............................................................................................................................................................. 15

Designation ....................................................................................................................................................... 16

Restriction of change authority........................................................................................................................ 16

Functions................................................................................................................................................... 17

Selecting a new function .................................................................................................................................. 17

Designation ....................................................................................................................................................... 17

Input variables................................................................................................................................................... 18

Parameters........................................................................................................................................................ 20

Hystereses ................................................................................................................................................... 21

Function quantities (units).......................................................................................................................... 23

Output variables................................................................................................................................................ 24

CAN bus .................................................................................................................................................... 25

CAN settings for the converter ........................................................................................................................ 25

Datalogging ....................................................................................................................................................... 26

CAN analogue inputs........................................................................................................................................ 28

Node number ............................................................................................................................................... 28

Designation.................................................................................................................................................. 28

CAN bus timeout ......................................................................................................................................... 28

Unit ............................................................................................................................................................... 29

Value at timeout .......................................................................................................................................... 29

Sensor check ............................................................................................................................................... 30

Sensor error ................................................................................................................................................. 30

CAN digital inputs ............................................................................................................................................. 30

CAN analogue outputs ..................................................................................................................................... 31

Designation.................................................................................................................................................. 31

Transmission condition .............................................................................................................................. 31

CAN digital outputs........................................................................................................................................... 32

Designation.................................................................................................................................................. 32

Transmission condition .............................................................................................................................. 32

DL bus ....................................................................................................................................................... 33

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 ........................................................................................................................................... 35

Bus load from DL sensors........................................................................................................................... 35

DL output ........................................................................................................................................................... 36

M-Bus........................................................................................................................................................ 37

Settings.............................................................................................................................................................. 37

M-Bus input........................................................................................................................................................ 38

General ......................................................................................................................................................... 39

Designation .................................................................................................................................................. 39

Unit................................................................................................................................................................ 40

Sensor correction ..................................................................................................................................... 40

Value at timeout ....................................................................................................................................... 40

Sensor check................................................................................................................................................ 40

Sensor error.................................................................................................................................................. 40

System values ........................................................................................................................................... 42

Device settings.......................................................................................................................................... 43

General............................................................................................................................................................... 43

Currency ....................................................................................................................................................... 43

Technician / Expert password .................................................................................................................... 43

Access to menu ........................................................................................................................................... 43

Time / location............................................................................................................................................. 44

Bus settings....................................................................................................................................................... 44

C.M.I. Menu.......................................................................................................................................45

Date / time / location ................................................................................................................................. 45

Value summary.......................................................................................................................................... 47

Fixed values .............................................................................................................................................. 48

Changing a digital fixed value .......................................................................................................................... 48

Changing an analogue fixed value ................................................................................................................... 49

Activating a fixed pulse value........................................................................................................................... 49

General settings ........................................................................................................................................ 50

Version and serial number......................................................................................................................... 51

Messages.................................................................................................................................................. 52

User........................................................................................................................................................... 53

Current user....................................................................................................................................................... 53

List of permitted actions................................................................................................................................... 54

Data administration ................................................................................................................................... 55

C.M.I. - Data administration menu ................................................................................................................... 55

Total reset .................................................................................................................................................... 55

Restart .......................................................................................................................................................... 55

Loading function data or updating firmware via C.M.I. .................................................................................. 56

Loading function data or updating firmware via UVR16x2 or CAN-MTx2 ..................................................... 57

Reset.................................................................................................................................................59

LED status indicators ........................................................................................................................59

Technical data...................................................................................................................................60

Installing and connecting

Disposal

➢Devices no longer in use or beyond a state of repair must be disposed of in an

environmentally responsible manner by an authorised collection point. They must

never be treated as ordinary household waste.

➢We can undertake the environmentally responsible disposal of devices sold by

Technische Alternative upon request.

➢Packaging material must be disposed of in an environmentally responsible manner.

➢Incorrect disposal may result in considerable damage to the environment, as many

of the materials used require professional handling.

Standard delivery

•CAN-BC2 CAN bus converter

•2x terminal (4-pole)

•2x terminal (2-pole)

•Plastic wall plugs

•Clamping plate screw

•Operating instructions

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.

Unscrew the 4 screws on the front and lift the cover.

Fixing dimensions and measurements

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.

CAN bus cable selection and network topology

The principles of CAN bus cabling are described extensively in the manuals for the freely

programmable controllers and must be observed.

This manual describes only certain features that are specific to this device.

Each CAN network must be provided with a 120 ohm bus terminator at the first and last network node

(termination –with plug-in jumper). A CAN network therefore always has two terminators (one at

each end). The potential-free separation by the bus converter requires a plug-in jumper to be set in

accordance with the CAN network topology. This jumper is located on either side of the CAN bus.

Potential-free

CAN bus network

(CAN bus 2)

Power

supply

Potential-free

CAN bus network

CAN bus

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)

… Terminated (end devices) … Open termination

… CAN bus surge arrester ... Gas discharge arrester for indirect earthing

e.g. CAN-UES, CAN-UES2

With CAN bus surge arresters: The screen of the disconnected network is connected to CAN bus

earth (GND) for each bus converter. This screen must not be directly earthed.

The CAN bus converter is similar to a repeater. It receives CAN bus signals and passes them on. Each

cable run on either side of the CAN bus converter must therefore be viewed as an independent CAN

bus network.

Max. cable length: Subject to bus rate set in the disconnected network (CAN bus 2)

Indirect earthing

optional

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.

Branch cables

As a general principle, branch cables are not permitted in a CAN bus network.

The CAN bus converter is used to provide reliable long branch cables. This means the branch cable is

disconnected from the other CAN bus network and can be viewed as an independent CAN bus

network.

Independent

CAN bus

network

Indirect earthing

optional

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.

Cables can be routed with a star topology or in series (from one device to the next).

Any cable with a cross-section of 0.75 mm² up to 30 m in length can be used as a data link. For longer

cables, we recommend the use of a screened cable.

Long cable conduits routed closely next to each other for mains and data links result in faults being

induced into the data link from the mains. We therefore recommend a minimum clearance of 20 cm

between two cable conduits or the use of screened cables.

Never run the data link together with a CAN bus cable or M-Bus cable in the same conduit.

Bus load from DL sensors

A 2-pole cable provides both the power supply and the signal transfer from DL bus sensors. An

additional power supply by means of an external power supply unit (such as with the CAN bus) is not

possible.

Take the "bus load" into consideration as sensors have a relatively high current demand:

The bus converter supplies the maximum bus load of 100 %. The bus loads of the electronic sensors

are listed in the technical data of the relevant sensors.

Example: The electronic sensor FTS4-50DL has a bus load of 25 %. Consequently up to four

FTS4-50DL sensors can be connected to the DL bus.

M-Bus cable

The M-Bus has 2 wires: M-Bus and GND (sensor earth). The power supply for reading data from M-

Bus devices is provided by the bus converter.

Cables can be routed with a star topology or in series (from one device to the next). Ring topology is

not permitted.

A two-wire screened cable is used as the M-Bus cable (e.g. telephone cable J-Y(ST)Y 2 x 2 x 0.8 mm).

The maximum total cable length depends on the number of M-Bus devices connected and the cable

cross-section.

Never run the M-Bus cable together with a CAN bus cable or DL bus cable in the same conduit.

Principles

The CAN bus converter makes additional interfaces available for all CAN bus devices.

Furthermore, all the function modules in the X2 range are available. These allow bus input values to

be processed directly in the bus converter. The results of the functions can be transferred to other

devices as network outputs, visualised or logged.

It is programmed using TAPPS2 software. The CAN-BC2 can be operated via the UVR16x2 controller,

via CAN-MTx2 or via the C.M.I. interface.

Minimum system requirements

Programming: TAPPS2 version 1.10

Programming

Visualisation: TA-Designer version 1.17

Access: C.M.I. version 1.26.2

UVR16x2 version V1.23

CAN-MTx2 version V1.09

Datalogging: Winsol version 2.07

Interfaces

Potential-free CAN bus with increased interference resistance

The CAN-BC2 is used for remote connection within a controller network or by network groups. This

could be several groups of CAN bus connections and/or further remote CAN bus subscribers, for

example in a heating system.

This interface is electrically isolated from the primary CAN bus via an optical transmission path.

We recommend using a bus converter at both ends of a long cable, so that no critical electronic parts

are directly connected to the bus over the entire remote connection. The CAN-BC2 protects against

potential differences of up to 1 kV and can therefore not be considered to offer voltage surge

protection in the case of a lightning strike.

Note: Every CAN bus subscriber is identified with its own CAN node number from a total of

62 possible node numbers. When designing the network, bear in mind that a bus converter does not

disconnect the networks from a data point of view and therefore does not increase the number of

nodes available. As bus subscribers, every single converter is given its own node number. This

individual number is identical for both CAN sides (primary and potential-free).

M-Bus (measurement bus)

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. The interval time is adjustable.

As a master, this bus converter is therefore suitable for the parallel connection of up to four

M-Bus meters (slaves).

In total, a maximum of 32 M-Bus values can be read per bus converter. There must only be one

master in the M-bus system.

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