Driver Revision History

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Driver Revision History

Version

Date

Author

Comments

3.1.5

05/07/2021

C. Mello

Added support for data in 64-bit Float format (Case 30348).

3.1.4

08/06/2019

M. Ludwig

Driver ported to Visual Studio 2017 (Case 27191).

3.1.2

12/15/2017

C. Mello

Fixed the maximum number of bits per request of Coils (Case 23788).

3.1.1

11/26/2014

C. Mello

Added an option to store Master data at the memory address equivalent to the user-level memory (Case 16474).

Added support for Modbus function code 08 (Case 17714).

3.0.1

09/03/2014

C. Mello

Adjustments for migration to IOKit 2.00 (Case 16472).

2.5.1

05/14/2010

C. Mello

Added support for access to Bit-type registers with the N2 parameter equal to 1 (one) (Case 10993).

Added an option to stack data in the same memory position (Case 11166).

2.4.1

01/19/2009

C. Mello

Adjustments to allow memory addressing in position 65535 (Case 9935).

2.3.1

01/28/2008

C. Mello

Added a new Reverse Float data type with the N2 parameter equal to 8 (eight) (Case 9108).

Adjustments to receive the whole Master message before discarding it for not corresponding to a Slave ID associated with this Driver (Case 9109).

2.2.1

02/16/2007

C. Mello

Added an option to read or write in String format with the N2 parameter equal to 7 (seven) (Case 7126).

Compatibility with Windows CE (Case 7173).

2.1.1

12/22/2005

C. Mello

Added an option to create a list of Slaves considered valid for communication.

2.0.1

06/13/2005

C. Mello

Version implemented with IOKit.

1.1.1

06/25/2004

C. Mello

Older versions without IOKit.