The VeeCAN™ 320 is a display and control unit primarily designed for engines, particularly those with Diesel Particulate Filter (DPF) systems, especially Tier 4 engines. It serves as an interface for monitoring engine status, managing DPF regeneration processes, and accessing various system settings and diagnostic information.
Function Description:
The primary function of the VeeCAN™ 320 is to provide visual feedback on critical engine parameters and DPF system status through a series of indicator lamps and a digital display. It allows operators to monitor engine health, identify potential issues, and manage DPF regeneration to ensure optimal engine performance and compliance with emission standards.
For Tier 4 engines, the unit offers advanced control capabilities, including the ability to send CAN commands for Forced Regeneration, Regeneration Inhibit, and Auto Regeneration, thereby eliminating the need for a physical switch on the dashboard. This integration streamlines DPF management and provides a centralized control point.
Important Technical Specifications:
The display features a graphical interface with various indicator lamps. These include:
- High Exhaust System Temperature (HEST) Lamp: Indicates high exhaust temperatures, relevant for Tier 4 engines only.
- Glow Plug Lamp: Indicates glow plug operation, for ECM controlled engines only.
- Regeneration Inhibit Switch/Lamp: Indicates if regeneration is inhibited, for Tier 4 engines only.
- Diesel Particulate Filter Lamp: Indicates DPF status, for Tier 4 engines only.
- Diesel Exhaust Fluid Level Lamp: Indicates DEF level (if equipped).
- Check Engine Lamp: Indicates a general engine fault, for ECM controlled engines only.
- Stop/Check Engine Lamp: A critical warning indicating a fault that requires immediate attention, often accompanied by on-screen prompts. For ECM controlled engines only.
- Regeneration Level Lamp (R.LOW-R.MED-R.HIGH): Indicates the status of exhaust temperature during passive regeneration, for Tier 4 engines only. This lamp helps monitor the soot level (low, medium, high).
The display also shows engine parameters such as RPM (X 1000), voltage, and two temperature readings (°C).
The unit supports various settings and configurations accessible through a menu system, including:
- Units: Allows selection of measurement units (e.g., MPH, Miles, PSI, Gal, °F).
- Language: Supports multiple languages (English, Svenska, Français, Deutsch, Español, Italiano).
- I/O Settings: Configures engine presets, inputs, outputs, and alarms.
- J1939 Settings: Configures engine source, alarm filter, speed source, SPN version, and display address.
- Display Settings: Adjusts max RPM, max speed, quad adjust, and quad pages.
- Service Information: Displays service hours and indicates when the next service is due.
Usage Features:
The VeeCAN™ 320 is operated through a set of keys on the unit.
- Menu Navigation: Pressing and holding key 5 from any display screen accesses the Top Level Menu. Pressing key 5 within a sub-menu returns to the previous menu.
- Alarm Management: Alarms are displayed on a dedicated screen. Unacknowledged alarms appear in black text on a red background, while acknowledged alarms are shown in white text on black. Alarms can be acknowledged by pressing key 3.
- DPF Regeneration Control (Tier 4 Engines):
- Passive Regeneration: Occurs automatically in the background when the unit is running above idle RPM. This is the default "Auto" mode and helps prevent premature soot buildup.
- Forced Regeneration: Required when the soot level is above a certain limit (indicated by the DPF lamp and potentially an SPN 3719 alarm). To initiate a forced regen, the vehicle must be parked in a safe location, in neutral, with the parking brake applied. The operator then navigates to the T4 Control menu, selects "Forced Regen" (Key 1), and holds until the HEST lamp appears. Forced regen typically raises RPM to 2000 RPM and can last 5-20 minutes depending on soot load.
- Regeneration Inhibit: Allows the operator to temporarily prevent regeneration (Key 3 in T4 Control menu).
- Auto Mode: The default setting for DPF regeneration (Key 2 in T4 Control menu).
- System Settings: The "System Menu" allows access to COM Viewer, PIN Settings, Factory Reset, and About information.
- PIN Protection: The "PIN Settings" feature allows setting a PIN to prevent unauthorized access to the VEM menu. The default PIN is "SEE DEALER/MFG".
Maintenance Features:
- Diagnostic Information: The display provides fault codes (e.g., SPN, FMI) and engine hours associated with alarms, aiding in troubleshooting.
- Factory Reset: This function resets all settings to default values, including PIN settings.
- Software Reload: If the PIN is lost, a complete reload of the VEM software via USB connection is required to regain access to the menu. This will reset all default settings and erase any user changes.
- Engine Manual Reference: The manual repeatedly emphasizes consulting the engine manual for further information regarding actions required for ECM controlled engines and Tier 4 engines, especially concerning fault severity and regeneration procedures.
Important Warnings:
- Parameter Modification: Modifying parameters without authorization will void the warranty.
- Lost PIN: If the PIN is changed, it must be written down in a safe location. Losing the PIN necessitates a complete software reload, resulting in the loss of all custom settings.
- Regen Initiation: If the engine has other faults, regeneration may not initiate.
- Avoid Excessive Idle: To prevent premature soot buildup, avoid excessive idling, as passive regeneration occurs above idle RPM.
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