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PCAN-RP1210-A API Version History

Please Note:

The development on the RP1210 version A implementation was discontinued since version A was superseded by version C.

2020-07-09 - Version 3.0.0


  • PCAN-RP1210 is now free of charge. A license is not required anymore

2017-08-17 - Version 2.6.0


  • 64-bit version of the DLL is now called the same as the 32-bit version, PCANRP32.dll
  • PCANRP64.dll and PCANRP64.ini are deprecated but still installed because of backward compatibility

2017-05-18 - Version 2.5.1

Bug fixes:

  • License checking issue fixed
  • It was not possible to register clients with Id between 33 and 64
  • It was possible to register more than 127 clients

2017-01-23 - Version 2.5.0

  • Improvement: Added support for PCAN-LAN devices

2016-02-17 - Version 2.4.7

  • Bug fix: Wrong behavior of J1939 Re-CTS procedure was fixed

2015-06-23 - Version 2.4.6

  • Bug fix: Platform identification shown in file properties was wrong

2014-07-15 - Version 2.4.5

Bug fixes:

  • Misconfiguration corrected when applying a CAN filter to standard IDs over the function RP1210_SendCommand
  • RTR messages were not being filtered but included into the incoming messages queue

2013-01-24 - Version 2.4.4

  • Bug fix: The mechanism for recognizing and resetting BUS OFF situations was not giving the BUS enough time to recover itself after a hardware reset, before continuing working. This bug was mostly observed within J1939 connections, by claiming addresses

2012-11-09 - Version 2.4.3

  • Some minor internal improvements

2012-07-04 - Version 2.4.2

  • Bug fix: An access violation was occurring in multi-threading scenarios due to synchronization problems while assembling large messages from a read session

2012-06-19 - Version 2.4.1

Bug fixes:

  • Receiving wrong large J1939 messages (large messages whose single packages have wrong indexes) was causing an access violation
  • A bug within the message filter of the PCI driver was causing communication interferences when a client was being connecting/disconnecting several times

2011-11-17 - Version 2.4.0


  • The parameter RPCMD_SET_AUTORESET_ON_BUSOFF is now ON by default

Bug fixes:

  • The RP1210_ReadMessage() did not return the correct error value when a hardware was not found. It was returning ERR_HARDWARE_NOT_RESPONDING instead of
  • Several changes were made to avoid a deadlock that occurred when a bus-off condition was detected while reading or writing in blocking mode

Changes in the header files for .NET, PCAN_RP1210.cs and PCAN_RP1210.vb:

  • The enumeration "RP1210AError" is now explicity a short value, in order to avoid marshaling problems
  • The parameter nDeviceID (PCANDevice) was incorrectly marshaled as U1 instead of U2

2011-04-07 - Version 2.3.20

  • Improvement: Support for redistributable license added (PCAN-Developer extension)

2011-02-03 - Version 2.2.19

  • Bug fix: It was possible to connect clients to different PCAN devices within the same process

2010-10-19 - Version 2.2.18

  • Bug fix: Problems solved within multi-threading scenarios

2010-10-12 - Version 2.2.17

  • Improvement: TP.DT and TP.CM messages (address claiming) are now filtered out of the received messages queue

2010-10-11 - Version 2.2.16

  • Bug fix: Memory leaks cleared

2010-10-08 - Version 2.2.15


  • Connecting more than one channel per device is now possible (two or more USB at the same time, for example)
  • Minor updates

2010-10-04 - Version 2.1.14

  • Improvement: When claiming an address, a reset of the hardware is automatically done, if the hardware status is other than OK

2010-09-28 - Version 2.1.13

  • Bug fix: A wrong code was being returned when trying to send a J1939 large message and the address was lost

2010-09-27 - Version 2.1.12


  • General performance was improved (CPU usage was reduced)
  • Speed of message processing was increased (40% faster)

2010-09-13 - Version 2.1.11

  • Bug fix: CAN message filtering was wrong. The filter was being replaced instead of expanding it

2010-06-24 - Version 2.1.10

  • Improvement: RP1210 was modified to work under 64-bit systems
  • Bug fix: The function "RP1210_GetHardwareStatus" was returning always the status information within the bytes destinated for CAN-information on the parameter buffer, even if the connection was J1939

2010-02-17 - Version 2.0.9


  • The minimum operating system version needed was changed to Windows XP (Windows 2000 no longer supported)
  • A new connection checks now for the hardware status. A virtual connection (internal, no hardware plugged-in) will fail now

Bug fix:

  • When an address claiming operation failed, the function did not return ERR_ADDRESS_CLAIM_FAILED

2010-01-29 - Version 2.0.8

  • Improvement: The processing speed for J1939 messages was increased
  • Bug fix: The C# and VB header files were modified due to wrong parameter types (string vs. StringBuilder)

2010-01-25 - Version 2.0.7

  • Minor updates

2009-12-18 - Version 2.0.6

  • Improvement: Multimedia timer is now being used to achieve a better timing
  • Bug fix: Setting a custom filter after having fully opened the filter didn't work

2009-12-04 - Version 2.0.5

Bug fixes:

  • Bug with J1939 claiming process solved
  • RE-CTS and retries were executed only once
  • Memory leaks found and repaired
  • The API tried to claim an address even if the Claiming protocol was not used

2009-09-25 - Version 2.0.4


  • The processing speed for J1939 messages was increased
  • Changes and improvements to the CAN core engine

Bug fix:

  • Echo messages were enqueued even if they shouldn't

2009-06-24 - Version 2.0.3

  • Imrpovement: Included a new Header file for Visual Basic.Net: PCANRP32.vb
  • Bug fix: A wrong defined limitation was being used: only one protocol was allowed to be used for all processes working with the API

2009-06-08 - Version 2.0.2

  • Minor updates

2009-06-02 - Version 2.0.1

Bug fixes:

  • CAN echo messages were incorrectly recognized
  • After resetting a client, the messages count of the queue was not reset

2009-04-08 - Version 2.0.0

  • First release