intermediate
hardware
software
BACDoor

Software Tools

BACDoor3, BACDoor Mobile, and BACDisplay software tools for ASI BAC motor controller configuration and monitoring

Levy Fleets Team12 janvier 202510 min read

Software Tools

ASI provides several software tools for configuring, monitoring, and diagnosing BAC motor controllers.

Available Tools

ToolPlatformLicensePurpose
BACDoor3WindowsPaidFull configuration and tuning
BACDoor MobileiOS/AndroidPaidParameter editing and monitoring
BACDisplayiOS/AndroidFreeReal-time dashboard and diagnostics
BACDoor PCWindowsPaidLegacy configuration (obsolete)

Warranty Notice

Use of any third-party software not authorized by ASI will void the product warranty. Only use ASI-approved tools.

BACDoor3

BACDoor3 is the primary desktop application for comprehensive controller configuration, succeeding BACDoor PC.

Key Features

FeatureDescription
Real-time DashboardLive device monitoring with customizable views
Advanced SetupComplete parameter configuration
Firmware UpdatesUpload .ehx firmware files
Data LoggingCSV export with real-time charting
Scope FunctionHigh-speed oscilloscope-like capture
Offline AnalysisReview parameter files without device connection

System Requirements

  • Windows 10 or 11 (version 22H2 or higher)
  • .NET 9 framework
  • Internet connection for authentication

Connection Methods

InterfaceHardware Required
TTL SerialFTDI TTL-232 adapter + USB isolator
CAN BusPCAN-USB dongle

Interface Components

Navigation Panel

  • Product selection
  • Page access
  • Settings management

Main Content Area

  • Dashboard view
  • Advanced Setup
  • Analysis views

Connection View

  • TTL/CAN configuration
  • Connection status

Parameter Properties

  • Detailed attribute display
  • Value editing

Logging Panel

  • Event tracking
  • Troubleshooting logs

Scope Tool

Captures up to four simultaneous channels at high speed:

FeatureCapability
ChannelsUp to 4 simultaneous
TriggersPositive, negative, equal, not-equal
CaptureHigh-speed data acquisition

Data Logging

SettingOptions
Log RateUser-defined intervals
ASAP ModeMaximum speed capture
OutputCSV format

Dictionary Management

  • Auto-detection of parameter definitions
  • Manual selection available
  • Supports firmware versions 6.023+

Version Information

Current Version: 3.4.5.2

Support Resources

BACDoor Mobile

BACDoor Mobile provides smartphone-based parameter adjustment and monitoring via Bluetooth.

Professional Use Only

This application is NOT recommended for end-users due to extensive low-level system access. It is provided to OEM customers and authorized dealers only.

Key Features

App Structure:

  • Channels page listing connected devices
  • Expandable side menu with system functions
  • Live feed displaying parameter categories
  • Detailed category pages for parameter management

Connectivity:

  • Bluetooth LE connection
  • Android requires Location Services for BLE scanning
  • iOS uses Control Center for Bluetooth access

Parameter Management

FunctionDescription
SaveBackup configurations to files
LoadImport saved parameter files
ReplicateCopy settings across devices

Customization

Two configuration files control the display:

File TypePurpose
Dictionary FileParameter definitions
Layout FileDisplay organization

Profile Management

  • Create multiple profiles for different device types
  • Duplicate existing profiles
  • Import/export layout configurations
  • Long-press items to add, delete, or edit

Data Logging

FeatureCapability
Multi-parameterLog multiple values simultaneously
FormatCSV output
LocationDocuments folder
NamingTimestamped files

Access Requirements

  • ASI Support Account credentials required
  • Limited to OEM customers and authorized dealers

BACDisplay

BACDisplay is a free mobile dashboard application for vehicle monitoring and diagnostics.

Key Features

FeatureDescription
Real-time MonitoringPeripheral status, voltage readings
Alert ManagementWarnings and faults display
DiagnosticsTroubleshooting information
Data LoggingCSV export with live charting

Alert System

IconTypeBehavior
Yellow TriangleWarningPermits continued operation
Red CircleFaultPrevents vehicle use until resolved

Live Charting

  • Select up to five parameters simultaneously
  • Real-time graphing
  • CSV datalog files for later analysis

Vehicle Management

FunctionDescription
RenameCustomize saved vehicle names
DeleteRemove vehicle profiles
UnitsSwitch between km/h and mi/h

Alert History

Complete record of all historical faults and warnings maintained within the application.

Connection

StepAction
1Enable Bluetooth on device
2Select vehicle from list
3Assign personalized name on first connection

Multiple Vehicles

Signal strength indicator helps identify the correct vehicle when multiple devices are nearby.

Data Sharing

CSV datalog files can be exported and shared using phone-native sharing options for diagnostic purposes.

Additional Tools

Little CAN Throttle Calibrator

A standalone application for ASI CAN throttle calibration:

RequirementDescription
HardwarePCAN dongle
FunctionGuides through calibration process

Little Updater Tool

Streamlines batch updates for multiple controllers:

FeatureDescription
Sequential UpdatesParameter and firmware updates in sequence
Batch ProcessingMultiple controllers in one session

USB Isolator Requirement

Critical Safety

Always use a USB isolator between your computer and the controller when using BACDoor3 or BACDoor PC. This prevents ground loops and protects equipment.

Connection Checklist

1

Install Software

Download and install the appropriate tool for your platform.

2

Install Drivers

For TTL: Install FTDI TTL-232 driver. For CAN: Install PCAN drivers.

3

Connect Hardware

TTL: Computer → USB Isolator → FTDI Adapter → Controller. CAN: Computer → PCAN Dongle → CAN Bus.

4

Launch Application

Start the software and select connection type.

5

Authenticate

Enter credentials if required (BACDoor3, BACDoor Mobile).

6

Connect to Device

Select the controller and establish connection.

Troubleshooting

Connection Issues

ProblemSolution
Device not foundCheck USB isolator and cable connections
Driver not installedReinstall FTDI or PCAN drivers
Authentication failedVerify ASI account credentials
Timeout errorsReduce cable length, check baud rate

Data Logging Issues

ProblemSolution
No data recordingVerify parameters are selected
Corrupt CSVCheck disk space, close properly
Missing timestampsEnable timestamp option

Next Steps