
PCAN-TJA1054
Bus Converter High-speed CAN to Low-speed CAN
The PCAN-TJA1054 bus converter establishes a connection between a High-speed CAN bus (ISO 11898-2) and a Low-speed CAN bus (ISO 11898-3). One of the most important potential applications of the bus converter is a simple connection between a PEAK CAN interface (e.g. PCAN-USB) and a Low-speed CAN bus.
Specifications
- Adapter from High-speed CAN to Low-speed CAN
- Bit rates up to 125 kbit/s
- CAN transceiver NXP PCA82C251 and TJA1054
- Termination resistors for Low-speed CAN can be switched (560 Ohm / 5.66 kOhm)
- Power LED
- Error LED (Low-speed CAN)
- CAN bus connection via D-Sub, 9-pin (in accordance with CiA® 102)
- Power supply (5 V) through pin 1 of the High-speed CAN connection. All PEAK CAN cards can be set to the required supply via solder jumper
- Extended operating temperature range from -40 to 85 °C (-40 to 185 °F)
Pin assignment Female D-Sub Connector

| Pin | Pin assignment High-speed CAN (82C251) |
|---|---|
| 1 | 5V Power supply |
| 2 | CAN-L |
| 3 | GND |
| 4 | Not connected |
| 5 | Not connected |
| 6 | GND |
| 7 | CAN-H |
| 8 | Not connected |
| 9 | Not connected |
Pin assignment Male D-Sub Connector

| Pin | Pin assignment Low-speed CAN (TJA1054) |
|---|---|
| 1 | Not connected |
| 2 | CAN-L |
| 3 | GND |
| 4 | Not connected |
| 5 | Not connected |
| 6 | GND |
| 7 | CAN-H |
| 8 | Not connected |
| 9 | Not connected |
Scope of supply
- Adapter in plastic casing
- Manual in PDF format
Other transceiver types on request
Downloads
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PCAN-TJA1054 manual in PDF format (German)
PCAN-TJA1054 manual in PDF format (English)




