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News: Added OBDLink MX forum board.

ScanTool.net Forum  |  Hardware  |  OBDLink MX  |  Topic: OBDLink SW-CAN or MS-CAN « previous next »
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Author Topic: OBDLink SW-CAN or MS-CAN  (Read 2406 times)
Shawnf350
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« on: December 16, 2011, 08:42:46 PM »

I am deciding whether to add the new OBDLINK MX to my tool arsenal.  Does the OBDLink have the ability to access the MS-CAN and SW-CAN at all? Or monitor those busses.
OR is this in need of a little added circuitry only offered by the MX.
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Vitaliy
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« Reply #1 on: December 17, 2011, 06:52:13 PM »

OBDLink MX is currently the only OBD adapter that has three hardware CAN transceivers: HS CAN, MS CAN, and SW CAN.

The "old" OBDLink (and its variants: SX and S) has only one CAN driver IC. It can be hacked to work with MS CAN, by rewiring the CAN_H and CAN_L lines to the MS CAN pins on the DLC. To make it work with SW CAN, you would need to replace the HS CAN transceiver chip with a SW CAN transceiver, but you still would not be able to switch modes -- OBDLink simply does not have the outputs to switch them.

Switching between HS, MS, and SW on MX can all be done in software.

Vitaliy
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ScanTool.net Forum  |  Hardware  |  OBDLink MX  |  Topic: OBDLink SW-CAN or MS-CAN « previous next »
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