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Product Manual CANcockpit
TU00-0726-5111102
Technische Änderungen vorbehalten
0609
Technical details subject to change
5.2 - 8
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CANopen-Specification for CANcockpit
Device Profile
Standard "Human Machine Interface" or Custom device profile?
Based on Device Profile for Generic I/O Modules DS 401 V2.1.
Reason: The Human Machine Interface profile DSP-403 has been withdrawn by CiA. Another alternative would have been to
use DSP-407 "Application profile for Passenger Information", but this Draft Proposal is marked "not recommended for
implementation" and also exceeds the target functionality by far. Therefore the best solution is to apply the very popular
Generic I/O Modules DS401 in its current version V2.1 and add more functionality as required for CANcockpit.
The CANcockpit instrumentation system consists of up to 17 gauges (1xmain gauge plus 0 to 16 satellite gauges). It shall be
possible to set the indication of these gauges via the CANopen interface. In addition up to 25 physical value displays (PVD)
can be defined, where the first PVDs show the values defined for the gauges. For the remaining PVDs the indication variable
can be freely configured. The generic I/O device profile provides three RPDOs for analogue outputs, each PDO consisting of
four analogue 16bit output values. Hence the number of gauges or PVDs would be limited to 12. However the CANopen
standard allows to implement additional PDOs, but the Ids of these PDOs exceed the pre-defined connection set and must
therefore be uniquely by the system designer.
If the CANopen interface is configured, then up to 24 PVDs can be configured to display CANopen signal values. The
remaining PVDs can be used to show some other physical values, for example from the J1939 interface.
CANopen Text and Icon Display
As a special feature CANcockpit is able to display alphanumeric text received via CANopen interface together with a graphic
icon. Text can be shown as 2 Lines with 8 large characters or 4 Lines with 16 small characters. In addition it is possible to
select one of the graphic symbols (from ROM or EEPROM) to be shown on the left display area.
CANopen Display Format with 2x8 large characters
Graphic Symbol
Area
CANopen Display Format with 4x16 characters (small font)
Graphic Symbol
Area
This CANopen display uses one of the Alarm- and Warning-Functions and appears as a pop-up display as soon as it is
activated, if it has the highest priority of all active Alarms. The priority of the CANopen display can be configured.
Configuration also allows selecting, if the display disappears as soon as the trigger condition is not met anymore or only after
it has been acknowledged.
The display is accessible through the SDO channel.
Wish is to have one Warning and one Alarm Display for CANopen. However, if this uses too much RAM, then the CANopen
display should be configurable with WINgauge to be either a Warning Display or an Alarm Display.
Solution:
A 4x16 character buffer is provided, which can be written to via SDO communication. The display in 4x16 format can be
configured to be an Alarm- or Warning-Display, but not both at the same time because there is only one 4x16 character buffer.
However it is possible to configure an Alarm and a Warning-Display in the format 2x8 characters, so that both two different
Text-Messages can be shown (one as Alarm and one as Warning).
Содержание CANcockpit Series
Страница 53: ...June 2009 Training WinGauge Software page 1 ...
Страница 54: ...Components and Concept June 2009 Training WinGauge Software page 2 ...
Страница 55: ...Example of a fully configured Instrumentation June 2009 Training WinGauge Software page 3 ...
Страница 56: ...Example of a fully configured Instrumentation cont June 2009 Training WinGauge Software page 4 ...
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Страница 80: ...Examples of new defined Symbols June 2009 Training WinGauge Software page 28 ...
Страница 108: ...VDO A trademark of the Continental Corporation Product Information www vdo com CANcockpit CANopen Specification for ...
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