Troubleshooting

Why do I receive a transmit buffer overrun when I try to test the CAN interface with nothing else connected?
12/04/2022

Why do I receive a transmit buffer overrun when I try to test the CAN interface with nothing else connected?

CAN requires a minimum of two active CAN nodes to have successful CAN communication.  When one node transmits on the CAN bus, the other node must be pRead More

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Will messages transmitted using the object buffers (canObjBuf***()) show up in my receive buffer if I have TX_ACK turned on?
12/04/2022

Will messages transmitted using the object buffers (canObjBuf***()) show up in my receive buffer if I have TX_ACK turned on?

No. The only way to receive messages transmitted using the object buffers is to have another physical channel on the CAN bus.Read More

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Why do I receive copies of my canWrite messages in the receive buffer of my other handle to the channel?
12/04/2022

Why do I receive copies of my canWrite messages in the receive buffer of my other handle to the channel?

Multiple handles to the same channel work like a virtual bus extension.  When a message is successfully placed on the…Read More

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Will messages transmitted using a <em>t</em> program be received on a handle to the same channel controlling the <em>t</em> program?
12/04/2022

Will messages transmitted using a t program be received on a handle to the same channel controlling the t program?

No. The only way to receive messages transmitted using a t program is to have another physical channel on the CAN bus.Read More

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Why doesn’t my LIN communication work after Bus On?
12/04/2022

Why doesn’t my LIN communication work after Bus On?

LIN Transceiver require reference voltage between 9-18V DC according to the LIN Protocol Specification. You need to have an external…Read More

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Is LIN supported in <em>t</em>-script?
12/04/2022

Is LIN supported in t-script?

Yes, it is. An example on how to use it can be found in your CANlib directory, C:\Program Files (x86)\Kvaser\Canlib\Samples\Example\tScript\Misc.…Read More

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Will a USB connected interface ever be as fast as an internal mounted interface card?
12/04/2022

Will a USB connected interface ever be as fast as an internal mounted interface card?

The currently used technologies will always favor an internally mounted CAN interface before an externally connected CAN interface.Read More

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If I change Kvaser USB interfaces, do I need new Drivers and SDK?
12/04/2022

If I change Kvaser USB interfaces, do I need new Drivers and SDK?

All Kvaser interfaces share the same Drivers and SDK package. A software that has been written for the Kvaser Leaf light or Kvaser Leaf Pro can often Read More

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My Windows 7 MacBook freezes when I connect a Leaf Light. How can I solve this?
11/08/2017

My Windows 7 MacBook freezes when I connect a Leaf Light. How can I solve this?

We have heard customers having problem where their MacBook, running Windows 7, freezes when they try to use a Leaf Light. From what we gather, this miRead More

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Why do I get error frames?
11/08/2017

Why do I get error frames?

Error frames indicate a problem with the network topology/configuration. You need to make sure: 1. The CAN bus is properly…Read More

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