All Questions
8
questions
0
votes
1
answer
72
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CAN BUS Chassis Grounding
Hoping to get get some guidance on correct grounding for a CAN Bus I have designed. The following diagram gives a high level overview of the system connectivity:
Some notes on the setup:
There are a ...
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1
vote
3
answers
958
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What is the best practice to connect isolated CANBUS transceiver with non-isolated CANBUS transceiver on the same CANBUS network?
CAN Background
According to some places, CAN transceivers do not need GND connections since the line is differential. After long research and understanding how the CAN transceiver works, GND is ...
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0
votes
0
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84
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Connecting computer and motor driver grounds
I am designing a robotic system and seem to be having a ground issue whilst working with motor drivers.
To improve system stability and for EMI concerns, I have split the power and signal using an ...
5
votes
3
answers
405
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VDD pin is opposite from GND pin. Which layout is more effective for decoupling and grounding?
I am aware of some basic goals of a decoupling and grounding layout: Reduce EMI by minimizing overall power-GND high-frequency current loop area, minimize ground inconsistency by reducing impedance to ...
- 355
0
votes
1
answer
137
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Isolation for a long distance industrial CAN + audio box
I am working on an industrial control board + node network system. This system needs to be very robust, both for signal integrity as well as protection from transients.
The basic setup is shown here:
...
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0
votes
4
answers
1k
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Reading CAN Bus without a ground [closed]
I need your help to find a transceiver that can read or write data on a CAN bus using only CANH and CANL, without the ground of the System I am connected to.
Just to be clear, I need something that ...
3
votes
1
answer
676
views
Grounding in CAN / RS485 Busses
I'm interested in how to properly realize Grounding in a CAN / RS 485 bus setup.
From my understanding, when non-isolated transceivers are used, in addition to the differential signal lines, a third ...
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14
votes
4
answers
38k
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Is a ground/common needed for proper CAN bus communication?
Since CAN Bus is a differential signalling system, what is the significance of GND/COM signal? Can I get by without it?
I've got a very simple 2-node system that has some weird happenings going on. (...
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