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Technical Reference VC-EVCC-P

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electronics and housing can be found in the User Manual of the VC-EVCC-P. 3.1 ECU Overview The following diagram and tables give an abstract overview of the interfaces of the hardware. Note There are many different conf…
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manual. The ECU is exclusively designed for use by skilled personnel as its operation may result in serious personal injuries and damage to property. Therefore ...
manual. The ECU is exclusively designed for use by skilled personnel as its operation may result in serious personal injuries and damage to property. Therefore, only those persons may operate the ECU who have understood…
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VC-EVCC-P
Technical Reference
Version 2.2.0
Authors Vector Informatik GmbH Status Released

Technical Reference VC-EVCC-P

Document Information

History

Author ssm
ssm
vml/ssm ssm dim
dim ssm dim

Date 2020-07-07
2020-07-15
2020-08-04 2020-08-27 2020-09-24
2020-11-24 2021-02-03 2021-03-31

Version 1.0.1
1.0.2
1.1.0 1.2.0 2.0.0
2.0.1 2.1.0 2.2.0

Remarks
Change Authors' information Add Document information
Chapter 1: Update graphic Chapter 2: Update System Overview
Chapter "Delivery Content" added
Chapter "Industrialization" added
Updated for SW release 3.0.0: Chapter 2 "System Architecture" updated (RMP architecture added) Chapter 4.14 "Charging Arbitration" added
Chapter 3.2: Connector description updated
Chapter 7.5 "Quality Documents" added
Chapter 4.8 Remark about HSOUT added

Reference Documents

No.

Source

Title

[1]

OppCharge Network and application protocol specification for Siemens � Volvo

OppCharge implementation, Version 1.3.0

[2]

Vector

TechnicalReference_CAN-WiFi-GW

[3]

DIN

DIN 70121:2014-12

[4]

DIN

DIN EN 61851-23 - Konduktive Ladesysteme f�r Elektrofahrzeuge - Teil 23 Gleichstromladestationen f�r Elektrofahrzeuge (IEC 61851-

23:2014)

[5]

DIN

DIN EN 61851-23 Berichtigung 1 - Konduktive Ladesysteme f�r Elektrofahrzeuge - Teil 23 Gleichstromladestationen f�r

Elektrofahrzeuge (IEC 61851-23:2014/COR1:2016)

[6]

Vector

User Manual

[7]

ISO

ISO 15118-2:2014(E)

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Safety Instructions
Caution To avoid personal injuries and damage to property you have to read and understand the following safety instructions and hazard warnings prior to installation and use of this ECU. Keep this documentation always near the ECU.
Proper Use and Intended Purpose
Caution The ECU may only be operated according to the instructions and descriptions of this manual. The ECU is exclusively designed for use by skilled personnel as its operation may result in serious personal injuries and damage to property. Therefore, only those persons may operate the ECU who have understood the possible effects of the actions which may be caused by the ECU. Users have to be specifically trained in the handling (e.g. calibration) with the ECU, the applied embedded software and the system intended to be influenced. Users must have sufficient experience in using the ECU safely.
Hazard Warnings
Caution The ECU may control and/or otherwise influence the behavior of control systems and electronic control units. Serious hazards for life, body and property may arise, in particular without limitation, by interventions in safety relevant systems (e.g. by deactivation or otherwise manipulating the engine management, steering, airbag and/or braking system) and/or if the ECU is operated in public areas (public traffic). Therefore, you must always ensure that the ECU is used in a safe manner. This includes inter alia the ability to put the system in which the ECU is used into a safe state at any time (e.g. by "emergency shutdown"), in particular without limitation in the event of errors or hazards. Furthermore, all technical safety and public law directives which are relevant for the system in which the ECU is used must apply. Provided that serious hazards for life, body and property may occur and before the use in public areas the system in which the ECU is used must be tested according to recognized rules of engineering in a non-public area.

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Contents
1 General .......................................................................................................................... 7
2 System Architecture ..................................................................................................... 8 2.1 OppCharge Architecture..................................................................................... 8 2.2 Roof-Mounted Pantograph Architecture ............................................................. 9 2.3 Supported Peripherals ....................................................................................... 9
3 ECU.............................................................................................................................. 10 3.1 ECU Overview ................................................................................................. 10 3.2 Key ECU Characteristics.................................................................................. 11
4 Functional Overview................................................................................................... 12 4.1 CP Communication .......................................................................................... 12 4.2 WiFi Communication (OppCharge only) ........................................................... 12 4.3 Power Line Communication ............................................................................. 13 4.3.1 Low Level communication with EVSE .............................................. 13 4.3.2 DC Charging with High Level Communication.................................. 13 4.4 Stop Button ...................................................................................................... 14 4.5 StopCharge CAN Signal .................................................................................. 14 4.6 Clamp 15 Signal Input...................................................................................... 14 4.7 Status LEDs..................................................................................................... 14 4.8 High Side Outputs............................................................................................ 14 4.9 Reprogramming of the ECU Software .............................................................. 15 4.10 Self-Diagnostics ............................................................................................... 15 4.11 ECU State Handling ......................................................................................... 15 4.12 Vehicle Immobilization (OppCharge only) ........................................................ 16 4.13 Configuration of Software................................................................................. 16 4.14 Charging Arbitration ......................................................................................... 16
5 Qualification................................................................................................................ 17 5.1 Configuration ................................................................................................... 17 5.2 Electrical Tests ................................................................................................. 17 5.3 EMC Test ......................................................................................................... 18 5.4 Climatic Tests................................................................................................... 18 5.5 Mechanical Tests ............................................................................................. 19 5.6 Life Tests.......................................................................................................... 19 5.7 Chemical Tests................................................................................................. 19
6 Industrialization .......................................................................................................... 21

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7 Delivery Content ......................................................................................................... 22 7.1 ECU ................................................................................................................. 22 7.2 Packaging ........................................................................................................ 22 7.3 Software .......................................................................................................... 23 7.4 Technical Documents ....................................................................................... 23 7.5 Quality Documents........................................................................................... 23
8 Glossary and Abbreviations ...................................................................................... 25

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Illustrations
Figure 1-1 Figure 2-1 Figure 2-2 Figure 3-1 Figure 7-1

VC-EVCC-P................................................................................................ 7 System Overview OppCharge (Inverted Pantograph) ................................. 8 System Overview Roof-Mounted Pantograph (RMP) .................................. 9 VC-EVCC-P Interfaces ............................................................................. 10 VC-EVCC-P packed in Cardboard Package ............................................. 22

Tables
Table 1-1 Table 3-1 Table 4-1 Table 5-1

Delivery Content ......................................................................................... 7 VC-EVCC-P Key Characteristics .............................................................. 11 Low Level Communication � Duty Cycle of CP PWM ............................... 13 Qualification Configuration........................................................................ 17

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1 General
The Vector Controller - Electric Vehicle Communication Controller for Pantograph (VCEVCC-P) is a generic ECU for 24V environments. It realizes electrical charging according to OppCharge V1.3.0 (see [1]) in combination with an additional CAN-WiFi-Gateway for communication with the charging infrastructure. In addition, charging with a roof-mounted pantograph is supported. The hardware is the VC36PLC-24 with an integrated flash bootloader. VC-EVCC-P includes a modern MICROSAR stack with all relevant application modules to realize electrical charging communication.

Figure 1-1 VC-EVCC-P

The following parts are included in the delivery:

Part VC-EVCC-P Documentation
Remaining Bus Simulation
Table 1-1 Delivery Content

Description
ECU with integrated software
Customer receives a Technical Reference (this document) as well as a User Manual and Charging Sequence Diagrams
CANoe bus simulation for the VC-EVCC-P for bus test and evaluation purposes  CAN database description (dbc)  Diagnostic description file (cdd)

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2 System Architecture
The VC-EVCC-P is designed to be integrated into the vehicle with one of the following system architectures.
2.1 OppCharge Architecture

Figure 2-1 System Overview OppCharge (Inverted Pantograph)
Red components are in focus of VC-EVCC-P system context and are provided by Vector. Non-red components, e.g. CAN-I/O Interface, have to be supplied alternatively in case Temperature or Heater control shall be implemented.

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2.2 Roof-Mounted Pantograph Architecture

Technical Reference VC-EVCC-P

Figure 2-2 System Overview Roof-Mounted Pantograph (RMP)
Red components are in focus of VC-EVCC-P system context and are provided by Vector. Non-red components, e.g. CAN-I/O Interface, have to be supplied alternatively in case Temperature or Heater control shall be implemented.
2.3 Supported Peripherals Supported peripherals of the VC-EVCC-P: > CAN-WiFi-Gateway (Vector article no.: 180109): Due to radio admission restrictions the CAN-WiFi-Gateway is only available for the European Market. For further information about restrictions of usage see [2].

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3 ECU
This chapter contains an overview about the VC-EVCC-P. A detailed description of the electronics and housing can be found in the User Manual of the VC-EVCC-P.
3.1 ECU Overview The following diagram and tables give an abstract overview of the interfaces of the hardware.
Note There are many different configuration options for the hardware of the VC-EVCC-P. The following figure shows the configuration of the VC-EVCC-P.

Figure 3-1 VC-EVCC-P Interfaces

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3.2 Key ECU Characteristics Parameter CPU Memory
Voltage range Connector Communication
I/O
Temperature Range Typical Current Consumption without loads Quiescent Current Weight IP protection
Functional Safety
Table 3-1 VC-EVCC-P Key Characteristics

Description
SPC564B74L7, 120MHz
3,0 MB Code-Flash, 4x16 kB Data-Flash, 192 kB RAM
10V ... 32V (ISO 16750, Code E)
Molex CMC36 Hybrid Sealed (36 Pins) 3x CAN 2.0B (incl. shielding) 1x PLC � Power Line Communication based on IEC61851
Extensive Inputs and Outputs typically needed for in vehicle powerline charging systems
-35�C ... +85�C (ISO 16750, Code H)
150mA
114�A
560 g
IP6K6K / IP6K7 / IP6K9K (not valid for unsealed housing
Not considered, development based on QM process

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4 Functional Overview
4.1 CP Communication The CP connection to rails is detected by measurement of CP voltage.
4.2 WiFi Communication (OppCharge only) The VC-EVCC-P controls DC charging communication between EV and EVSE according to OppCharge V1.3.0 [1] communication via an additional CAN-WiFi-Gateway [2]. The DC charging via ACD (inverted pantograph) is done according to the following sequence:  WiFi Communication Setup  Setup of High Layer Communication  Charge Parameter Discovery  Cable Check incl. ACD connection, isolation measurement and immobilization of the
vehicle  Pre-Charge  Power Delivery True  Current Demand incl. monitoring of charging progress  Power Delivery False  Session Stop incl. retraction of ACD to home position and mobilization of the vehicle  Stop Communication Session
Caution Plug and Charge is not supported by the VC-EVCC-P.

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4.3 Power Line Communication
4.3.1 Low Level communication with EVSE According to [4] and [5] a low-level communication via PWM on the CP pin is supported. The following PWM duty cycles are valid:

Duty Cycle of CP PWM 0% <= DC < 3% 3% <= DC <= 7%
7% < DC < 8% 8% < DC < 10% 10% <= DC <= 85% 85% < DC <= 96% 96% < DC <= 97% 97% < DC <= 100%
Table 4-1 Low Level Communication � Duty Cycle of CP PWM

Description No charging allowed Usage of high-level protocol according to ISO 15118 and DIN 70121. Charging without this high-level protocol is not possible. No charging allowed Max current consumption is 6A Available current = Duty Cycle * 0,6A Available current = (Duty Cycle � 64) * 2,5A Max current consumption is 80A No charging allowed

4.3.2 DC Charging with High Level Communication
According to [3] and [7], high level communication for DC charging is supported. The supported charging profile is EIM (External Identification Means).

Caution Plug and Charge is not supported by the VC-EVCC-P.

The DC charging is done in the following sequence: > Get charging clearance from vehicle > Session setup with EVSE > Parameter exchange with EVSE (charging mechanism, schedule tables...) > Isolation measurement with EVSE > Start pre-charge > Start charging > Continuously monitoring of charging progress > Vehicle state monitoring; Stop button monitoring; Temperature monitoring; EVSE
communication; Self-diagnostic of actuators/sensors > Stop charging

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Note For detailed information, please refer to the DC Charging diagram. The first schedule table from EVSE will always be accepted on the protocol layer but ignored in the application (charging will start immediately, independent from the received schedule table).
4.4 Stop Button The button is monitored continuously when the VC-EVCC-P is active. If the button is pressed, the charging is stopped. Alternatively, the VC-EVCC-P checks a CAN signal for charge abortion information. In case of an error during ACD retraction the VC-EVCC-P disables immobilization of the vehicle after driver confirmation of full clearance of the vehicle via pushing the Stop Button.
4.5 StopCharge CAN Signal The StopCharge CAN Signal is monitored continuously when the VC-EVCC-P is active and the feature is activated. If the StopCharge CAN Signal is set to pressed, the charging is stopped.
4.6 Clamp 15 Signal Input For a discrete wakeup of the ECU instead of a CAN network wakeup the Clamp 15 signal input may be used to wake the ECU and keep it awake. Clamp 15 has to be available during the whole OppCharge sequence.
4.7 Status LEDs The charging status can be displayed via three LEDs which can be controlled via CAN messages by an external ECU. For more details please refer to the User Manual of the VCEVCC-P.
4.8 High Side Outputs
Caution If the VC-EVCC-P suffers from an unintentional GND contact loss, the freewheeling diode inside HSOUT4 may lead to an unexpected flow of current from HSOUT4 via its external load to GND. As this may lead to undefined behavior of the external load (e.g. a BMS relay), the usage of HSOUT4 must be considered with care. If in doubt, please contact the Vector support.

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Three High Side Outputs are available for general purposes which can be controlled via CAN signals by an external ECU. For more details please refer to the User Manual of the VC-EVCC-P.
Caution If the High Side Outputs of the VC-EVCC-P are used, measures must be taken to ensure a load current greater than 15mA (HSOUT0, HSOUT1) respectively 330mA (HSOUT4). An appropriate load resistor must be calculated depending on the supply voltage. Otherwise, the VC-EVCC-P will detect an OpenLoad error which leads to a switch-off of the respective High Side Output.
4.9 Reprogramming of the ECU Software Reprogramming will be done via diagnostic CAN (CAN0). Therefore, the ISO 14229 UDS protocol will be used. The following reprogramming features are supported:  Download of one logic block of application and basic software  Download of one logic block of Ethernet transceiver firmware  Download of CWG software  Security via CRC (no signature)  Updater for the flash bootloader itself is not supported
4.10 Self-Diagnostics The VC-EVCC-P continuously monitors all relevant inputs and outputs. The information is available in the self-diagnostic messages of the outputs. In addition to that the self-diagnostic also includes faults during charging or in case of internal faults.
4.11 ECU State Handling An ECU wakeup is performed due to following reasons:  Clamp 15 signal  CAN wakeup  Stop button pressed  Control Pilot Pin active  Wake up from real time clock

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If the ECU is active there are the following awake reasons possible to stay active:  Clamp 15 signal  Control Pilot activity  CAN active  Active Diagnostic session  Active OppCharge charging session In all other cases, the VC-EVCC-P will go to sleep.
4.12 Vehicle Immobilization (OppCharge only) The VC-EVCC-P starts immobilization of the vehicle as soon as the EVSE is requested to start movement of the ACD. The immobilization of the vehicle is kept active until the EVSE is requested to retract the ACD and the EVSE successfully responds about the ACD back at its home position. In case of errors during ACD movement the VC-EVCC-P keeps the vehicle immobile and indicates an error value via CAN (see dbc. for details). In this case the driver has to confirm safe position of the ACD via pushing the Stop Button.
4.13 Configuration of Software The VC-EVCC-P allows configurations of the firmware on the diagnostic channel:  Baudrate adjustment between 250 kBaud, 500 kBaud and 1 MBaud on the J1939 CAN  Automatic switch of high side output to wakeup other ECUs  Charging stop user interaction via charging stop button or dedicated CAN message  Configurable message cycle times of several messages  Security Key Constant
4.14 Charging Arbitration The charging arbitration enables the operation of a VC-EVCC-P together with a VC-VCCU on the same CAN channel. It targets use cases which require two charging options (pantograph and charging inlet) per vehicle but only one option is used at a time. For charging arbitration, the VC-EVCC-P provides the following configurations on the diagnostic channel: > Configuration of Primary Source Address > Configuration of Secondary Source Address > Activation/Deactivation of Charging Arbitration For more details, please refer to the User Manual of the VC-EVCC-P [6].

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5 Qualification

This section describes the qualification of the VC-EVCC-P. The qualification of Vector ECUs is executed by accredited test labs according to international standards. Documents with detailed test specification and test results are not provided. Further details on the performed tests could be available on individual request.

5.1 Configuration
The qualification of the VC-EVCC-P design has been performed in the following configuration of the hardware.

Feature High-speed CAN

Configuration

Channel CAN0 CAN1 CAN2

Termination not populated 120 120

Ground coupling capacitive (100nF) directly connected capacitive (100nF)

20mA LED Output

> PWM dimming

200mA High-Side Output > Static digital

5A High-Side Output 5A H-Bridge

> Freewheeling diode > Static digital > Static digital

IP Protection Class

> Housing sealed

Table 5-1 Qualification Configuration

5.2 Electrical Tests The following electrical tests have been performed:  E-01 Overvoltage  E-05 Load dump  E-06 Superimposed alternating voltage  E-07 Slow decrease and increase of supply voltage  E-08 Slow decrease, quick increase of the supply voltage  E-08 Reset behavior at voltage drop  E-10 Short interruptions  E-11 Starting profile

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 E-12 Voltage curve with interactive generator regulation  E-13 Single line interruption  E-14 Multiple line interruption  E-15 Reversed voltage  E-16 Ground reference and supply offset  E-17 Short circuit protection  E-19 Quiescent current  E-22 Overcurrent  E-23 Direct current supply voltage  E-24 Voltage transient to engine rpm steps  E-25 Momentary drop in supply voltage
5.3 EMC Test The following tests have been performed:  EMC1 - RF-emissions - Measurements at the artificial network (AN-Test, CISPR
25:2008-03)  EMC2 - RF-emissions � Measurements with antennas (RE-Test, CISPR 25: 2008-03)  EMC7 - Transient emissions on supply cables (CTE-Test, ISO 7637-2: 2011-03)  EMC9 - RF-immunity to interference � Bulk current injection (BCI-Test, ISO/DIS 11452-
4: 2010-01)  EMC10 - RF-immunity to interference � Using antennas (ALSE-Test, ISO 11452-2:
2004-11)  EMC14 - Transients on supply lines (TSUP-Test, ISO 11452-2: 2004-11)  EMC15 - Transients on lines except supply lines (TOL-Test, ISO 7637-3: 2007-07)  EMC16 - Electrostatic discharge � Handling Test (ESDH, ISO 10605: 2008-07)  EMC17 - Electrostatic discharge � Direct discharge (ESDD, ISO 10605: 2008-07)  EMC18 - Electrostatic discharge � Indirect discharge (ESDI, ISO 10605: 2008-07)
5.4 Climatic Tests The following climatic tests have been performed:  K-01 High / Low temperature storage test  K-02 Temperature step test  K-03 High / Low temperature operation test  K-05 Rapid change of temperature with specified transition duration

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 K-06 Salt spray tests - Leakage and function test  K-07 Salt spray tests - Corrosion test  K-09 Humid heat, cyclic test - Composite temperature/humidity cyclic test  K-10 Protection against water  K-11 Steam jet test  K-12 Ice water shock test - Splash water test  K-13 Ice water shock test - Submersion test  K-14 Damp heat, steady-state test  K-15 Humid heat, cyclic test - Dewing test  K-19 Temperature cycle with specified change rate
5.5 Mechanical Tests The following mechanical tests have been performed:  M-01 Free fall  M-03 Dust test  M-04 Vibration test (Profile D)  M-06 Mechanical shock (Severity II, Drivers door)
5.6 Life Tests The following life tests have been performed:  L-02 High temperature endurance test  L-03 Alternating temperature endurance test
Assumed Life time: 50,000h / 15 Years
5.7 Chemical Tests The following chemical tests have been performed:  AA - Diesel fuel  BA - Engine oil  BE - Greases  BF - Silicone oil  CC - Antifreeze fluid  CD - Urea  CG - Protective lacquer remover

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 CA - Battery fluid  CE - Cavity protection  CF - Protective lacquer  DF - Cold cleaning agent  DJ - Ammonium containing cleaner  EB - Transpiration  ED - Refreshment containing caffeine and sugar  EF - Cream, coffee whitener  DB - Vehicle washing chemicals  DC - Interior cleaner  DD - Glass cleaner  DE - Wheel cleaner  EE - Runway de-icer  AE - Methanol  DG - Acetone  DH - Cleaning solvent  DK - Denatured alcohol

Technical Reference VC-EVCC-P

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6 Industrialization
This section describes the elements of the VC-EVCC-P industrialization, which are installed and released by Vector: > Production engineering
> Production requirements > Quality requirements > Control plan > P-FMEA > D-FMEA > Production installation > Series Production line for electronic parts > Automated Optical Inspection (AOI) > In Circuit Test (ICT) > Production line for mechanical assembly > Leakage test > Generic End of Line Test (EOL) > Production Specification > The common part of production is described in the Production Specification and is
released by Vector.
Note The documents listed in this chapter are for internal documentation of processes only. They are not released for external use or delivery to Customer.

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7 Delivery Content
The VC-EVCC-P hardware is packed in a single packaging and shipped as off-the-shelf product from Vector warehouse. The standard delivery for software and documents takes place via download link as ZIP file from the Vector homepage.
7.1 ECU Based on the offer and order the customer will receive an off-the-shelf product: > VC-EVCC-P Series (No.: 89518) > VC-EVCC-P Evaluation (No.: 89519) The ECUs are stored inside the cardboard package. The goods will be extracted from the stock as per ordered quantity and packed individually within our logistics department in Stuttgart.
7.2 Packaging The VC-EVCC-P is packed in a single box (non ESD) with the following description: > Approximate sizing of a single package: 250 mm x 191 mm x 64 mm (L x W x H,
approximately) > Approximate weight: 0,74 kg (approximately, Cardboard 0,18 kg + ECU 0,56 kg)

Figure 7-1 VC-EVCC-P packed in Cardboard Package
Several ECUs in one shipment are packed in overpacks, e.g.: > 5 ECUs: Approximately 450 x 320 x 320 mm, 5 kg > 10 ECUs: Approximately 560 x 360 x 310 mm, 10 kg > 25 ECUs: Approximately 800 x 600 x 400 mm, 25 kg

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7.3 Software > VC-EVCC-P for vFlash package (.vflashpack) > CANoe project (.cfg) > CAN J1939 communication matrix (.dbc) > WiFi CAN communication matrix (.dbc) > Diagnosis CAN communication matrix (.dbc) > Diagnosis description file for CANdela Studio (.cdd)
7.4 Technical Documents > Release Notes VC-EVCC-P (.pdf) > Technical Reference VC-EVCC-P (.pdf) > Technical Reference CAN-WiFi-Gateway (.pdf) > User Manual VC-EVCC-P (.pdf) > User Manual CAN-WiFi-Gateway (.pdf) > Charging Sequence Description OppCharge (.pdf) > Charging Sequence Description Roof-mounted Pantograph (.pdf) > Envelope model 3D (STEP) > VC-EVCC-P technical drawing (2D) > VV-Report VC36PLC-24 (.pdf)*
7.5 Quality Documents The following quality documents can be made accessible to a customer representative remotely: > PFMEA (Top 10) > Control Plan

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8 Glossary and Abbreviations

Term AC ACD AUTOSAR CAN .cdd CP CPU CRC CWG DC DCB ECU EV EVSE LED PLC PE PP PWM QM RAM RESS RMP UDS V2G VAS VC-EVCC-P
VDV WiFi

Description Alternating Current Automatic Connection Device AUTomotive Open System ARchitecture Controller Area Network CANdela Diagnostic Description File Control Pilot Central Processing Unit Cyclic Redundancy Check CAN-WiFi-Gateway Direct Current Disconnecting Circuit Breaker Electronic Control Unit Electric Vehicle Electric Vehicle Supply Equipment Light Emitting Diode Power Line Communication Physical Earth Proximity Pin / Plug Present Pulse-Width Modulation Quality Management Random Access Memory Rechargeable Energy Storage System Roof-mounted Pantograph Unified Diagnostic Services Vehicle-to-Grid Value Added Services Vector Controller � Electric Vehicle Communication Controller for Pantograph Verband Deutscher Verkehrsunternehmen Wireless communication according to IEEE-802.11

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