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PLCIO Blog
 
11/2017 - Version 4.5.2
02/2017 - Version 4.5.1
12/2015 - Version 4.5.0
10/2014 - Version 4.4.1
01/2013 - Version 4.4.0
06/2011 - Web Site Update
02/2011 - Version 4.3.1
01/2011 - Version 4.3.0
06/2010 - Version 4.2.1
12/2009 - Version 4.2.0
01/2008 - Version 4.1.1
10/2007 - Using "testplc" for basic communications testing
08/2007 - Replacing A-B INTERCHANGE with PLCIO
08/2007 - Determining array size in a ControlLogix PLC
New PLCIO Version 4.5.2 Released

Version 4.5.2 of the PLCIO communications software is now available. This is a maintenance release fixing the bugs listed below.

New Features:

  • Add support for Siemens S7-1200 and S7-1500 PLCs.
  • Add support for Point-to-point Implicit I/O Connections in "cipioslv" and "enipd".

Bug Fixes:
  • Fix PLC_WCOIL operation in SLC500 mode.
  • Allow the use of data type "S" to represent string variables in Step 7.
  • Bugfix: Add a missing "return -1" in read_cip() in so/inc/cip.c.
  • In the "cipioslv" module, set the default multicast interface to the same one used to connect to "enipd".
  • Bugfix for a potential buffer overrun in examples/showcip.c.

 
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