Danfoss PVED-CLS User guide

Technical information
Demo kit
PVED-CLS
www.danfoss.com
Technical information
Revision history Table of revisions
Date Changed Rev
November 2019 First edition 0101
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Technical information

Contents

General information
Demo kit components and ordering.........................................................................................................................................4
PVED-CLS demo kit warranty....................................................................................................................................................... 4
Glossary................................................................................................................................................................................................5
PVED-CLS literature references....................................................................................................................................................5
Demo kit purpose.............................................................................................................................................................................6
Modes and features demonstration
On-road and off-road modes....................................................................................................................................................... 7
Steering wheel and auxiliary programs....................................................................................................................................7
Safe state............................................................................................................................................................................................. 8
Button interface and modes
Buttons and icons.............................................................................................................................................................................9
CAN messaging
Configuring CAN message communication.........................................................................................................................11
Messages coming from DM430E display controller..........................................................................................................11
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PVED -CLS
Actuator
L
DM430E Display
DB09
Connector
120 Ohm
Resistor
CAN Bus
12V Power Supply C13
Plug
SASA, MMI, WAS, VSP
Steering Feedback, Status
CAN Bus
Technical information

General information

Demo kit components and ordering

Included in the kit:
PVED-CLS actuator
DM430E display (with Steering Simulation PLUS+1® program)
3D printed case
DB09 9 pin CAN port access with 120 ohm resistor
Internal 12V, 5.0A power supply (C13 power cable not included)
Block diagram

PVED-CLS demo kit warranty

Ordering information
Description Material number
PVED-CLS demo kit 11235004
The PVED-CLS demo kit is not covered by warranty. Danfoss is not liable for any damages to any component in the PVED-CLS demo kit.
For more information, contact your Danfoss representative.
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Technical information
General information

Glossary

PVED-CLS literature references

AUX Auxiliary CAN Controller Area Network DM430E A Danfoss Display Controller EH Electro-hydraulic FMI Failure Mode Identifier GPS Global Positioning System (auto-guidance command) HMI/MMI Human Machine Interface/Man Machine Interface PVED-CLS Proportional Valve Electronic Digital - Closed Loop Steering (CLS for short) SASA Steering Angle Sensor - Absolute SPN Suspect Parameter Number VSP Vehicle Speed WAS Wheel Angle Sensor
For other PVED-CLS documentation (including certificates), please visit the product's webpage: PVED-CLS. For more information, please contact your Danfoss representative.
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Technical information
General information

Demo kit purpose

The PVED-CLS demo kit provides tools that serve a variety of purposes. The demo kit allows the user to:
Simulate steering behaviors
Demonstrate functional safety features of PVED-CLS
Troubleshoot
Train
Steering simulation in action
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Technical information

Modes and features demonstration

On-road and off-road modes

The on-road and off-road modes represent specific operating conditions.
Off-road mode Operating condition when the PVED-CLS allows to transition electrical steering inputs
On-road mode Operating condition when only the hydraulic input from the steering column will be
Off-road mode
(such as GPS or joystick command).
allowed to control steering.
On-road mode

Steering wheel and auxiliary programs

The PVED-CLS can store steering wheel and auxiliary programs in its memory. These are profiles that determine the sensitivity of steering devices at different vehicle speeds.
These profiles adjust the number of turns it takes to steer from left end-stop to right end-stop (or lock to lock). This safety feature allows faster wheel turning at slow vehicle speed and limit wheel turning speed at high vehicle speed. Changing the speed value (up and down arrows) will change the lock to lock value shown on the right side of the screen when in this mode.
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Technical information
Modes and features demonstration

Safe state

This mode will appear if necessary CAN messaging is lost, or vehicle speed exceeds safety limits set in the CLS.
The display will read out the SPN (suspect parameter number) and FMI (Failure mode identifier) for the given error. These error codes are described in detail in the PVED-CLS user manual found in each firmware release package.
Safe state and error reporting
For more information on the CLS modes and transitions, refer to the state machine diagrams in the PVED-
CLS user manual found in each firmware release package.
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Technical information

Button interface and modes

Buttons and icons

The selected mode will be highlighted in green.
Button reference
Button Icon Function
1
2
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On-road
Off-road non reaction
The CLS is powered on but is locked out of EH (electrohydraulic) steering functions. Only the hydraulic simulation will take place, via steering wheel SASA input. AUX, GPS, and Variable Rate Steering are disabled.
The CLS will allow EH steering functions and the wheels are prevented from straightening due to reaction forces.
Technical information
Button interface and modes
Button reference (continued)
Button Icon Function
3
Off-road reaction/auxiliary program
cycle
Off-road reaction: The CLS will allow EH steering functions and wheels will try to straighten due to reaction forces. Auxiliary program cycle: If an auxiliary steering device is enabled (via HMI message) and activated by its use, the CLS will change to the most recent Aux program it accessed; additional button 3 presses will cycle through the 5 auxiliary steering programs stored in the CLS parameters.
4
5
Escape
Home
Steering wheel programs cycle
Navigation keys
ESC
HOME
Pressing button 4 consecutively will cycle through the 5 variable rate steering wheel programs stored in the CLS parameters.
Up and down arrows: Increases (up) or decreases (down) vehicle speed per speedometer on main screen; navigate up or down menu items on the HOME menu. Right and left arrows: Turns steering wheel to the right or left on the main screen; navigate right of left on the HOME menu. Enter: Toggles HOME menu items on or off via check mark symbol.
Issues a soft reset command to the PVED-CLS; soft reset works similarly to a power cycle and may be needed after correcting an error condition.
Navigates user to a menu that controls the CAN messaging from the display controller to the PVED-CLS.
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Technical information

CAN messaging

Configuring CAN message communication

Home button menu controlling CAN messaging
All CAN messages sent from the display controller to the PVED-CLS can be toggled on and off. This allows for other devices sending equivalent messages to be placed on CAN.
Pressing enter on the “communication” option causes the display controller to read the relevant parameters from the CLS to apply to the simulation. This should be used after making parameter changes within the PVED-CLS.

Messages coming from DM430E display controller

Message Description
Steering Wheel Angle and Velocity (SASA)
Vehicle Speed (VSP) Pressing the up and down arrow keys adjusts the speedometer on left side of the screen. Human-Machine Interface (HMI/
MMI) CAN based wheel angle (WAS) Wheel Angle simulated based on SASA, AUX (auxiliary), or GPS (curvature command) steering input. The on-
Pressing the left and right arrow keys rotates the on-screen steering wheel.
Requests the steering mode and enables/disables eSteering devices.
screen wheels represent the value generated.
For more information, please see the CAN message content in the PVED-CLS communication protocol document found in each firmware release package.
Contact your Danfoss representative to access and update the PLUS+1® display program.
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Danfoss Power Solutions GmbH & Co. OHG
Krokamp 35 D-24539 Neumünster, Germany Phone: +49 4321 871 0
Danfoss Power Solutions ApS
Nordborgvej 81 DK-6430 Nordborg, Denmark Phone: +45 7488 2222
Danfoss Power Solutions (US) Company
2800 East 13th Street Ames, IA 50010, USA Phone: +1 515 239 6000
Danfoss Power Solutions Trading (Shanghai) Co., Ltd.
Building #22, No. 1000 Jin Hai Rd Jin Qiao, Pudong New District Shanghai, China 201206 Phone: +86 21 2080 6201
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