2023-01-31
Version 1.4.15
- BUG: Unsupported type after lib update.


2023-01-25
Version 1.4.14
- CHG: Help file updated.
- CHG: Security update with latest Microsoft libraries.


2019-01-08
Version 1.4.13
- BUG: Enron mode fixed.


2015-12-17
Version 1.4.12
- NEW: Timeout method for serial connection changed.


2015-09-07
Version 1.4.11
- NEW: For serial connection a "Remove echo" function is added. This function is useful 
       if the Modbus request is echoed back from either the slave or a serial converter.


2014-03-11
Version 1.4.10
- NEW: License key method that allow Excel files to be unlimited redistributed.


2012-01-07
Version 1.4.9
- BUG: TCP/IP Mode: Transaction ID do not increment. (Bug indroduced in version 1.4.8).


2011-11-28
Version 1.4.8
- CHG: TCP/IP mode only: Response accepted also if the byte counter in MBAP
       header is > the actual length of the expected PDU. This could happen
       if a Modbus gateway added a CRC at the end despite this is not
       according to the specification.


Version 1.4.7
- BUG: TCP/IP mode only: If the response was divided in multiple packages the
       whole response was not read in case of too long time in between.


Version 1.4.6
- BUG: Problem using multiple MBAXP controls with Modbus TCP/IP connection.


Version 1.4.5
- BUG: Problem using 2 MBAXP controls controling 2 comm. ports on same form.


Version 1.4.4
- CHG: Max number of handles = 200, was 100
- CHG: Min delay between polls = 1ms, was 10ms
- NEW: More Baud rates added.


Version 1.4.3
- NEW: Version information added.


Version 1.4.2
- NEW: Supported serial ports are now 1-255
       instead of 1-32.


Version 1.4.1
- BUG: NULL bytes was discarded if another program had used the serial port
       before and the "discard NULL bytes" option was set in the serial port.


Version 1.4.0
- New: Property 'ConnectTimeout' Timeout for TCP/IP connection.


Version 1.3.2
- CHG: Min UpdateRate = 1ms was 50ms


Version 1.3.1
- New: Property 'DelayBetweenPoll' Ensure idle time between transmissions.


Version 1.3.0
- New: Daniel/Enron Modbus
- New: Methods for read/write arrays.


Version 1.2.7
- BUG: Could crash if the TCP/IP response is much longer than expected.
       Happened if disconnect/reconnect the ethernet cable several times.


Version 1.2.6
- CHG: Handling of divided TCP/IP packets


Version 1.2.5
- CHG: Minimum value for timeout changed to 30ms


Version 1.2.4
- BUG: Was not visible in the Components dialog in VB6.0


Version 1.2.3
- BUG: Problem using 2 MBAXP controls controling 2 comm. ports on same form.

2005-11-13
Version 1.2.2
- CHG: Version number format changed and build number is shown in about box.
- CHG: NSIS used as install tools.
- CHG: Trial period expire text is changed.


Version 1.21
- BUG: Problem with port > 8 fixed.


Version 1.20
- NEW: Supported serial ports are now 1-32
       instead of 1-8.
- CHG: Update rate now 50 - 600000ms.
- NEW: IsConnected method added.
- NEW: RTS Control property added. RTS is default disabled.
- NEW: TCP/IP Port property added.


Version 1.10
- NEW: IsBusy method added.
- NEW: GetResult method added.


Version 1.04
- BUG: Fixed a problem with first time use of
       UpdateOnce after a task is modified by a
       Modbus function e.g. ReadHoldingRegisters.


Version 1.03
- BUG: Fixed a problem with 2 stopbits.


Version 1.02
- CHG: Slave ID limit 255. Was 247.


Version 1.01
- CHG: Improved property page.


Version 1.00
- First release.