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Version 4.0.5 of PLCIO

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• 4.3.1

• 
•  01 Mar 2011 03:21
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• Minor bugfixes

Release Notes: This release adds support for applications to receive simultaneous multipart PCCC messages from PLC5 and ControlLogix. It also fixes compiling with HP-UX's native C compiler and enhances enipd's reliability over a faulty local Ethernet network.

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• 4.3.0

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•  28 Jan 2011 07:12
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• major feature additions

Release Notes: This release reintroduces support for the serial DF1 protocol for Allen-Bradley PLC5 and SLC5/00 PLCs. This release also adds support for Siemens S7-200 series PLCs, rack selection for S7-300 and -400 PLCs, and ASCII file types on PLC5 and SLC5/00 PLCs.

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• 4.2.1

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•  14 Jun 2010 21:46
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• Minor feature enhancements

Release Notes: This release adds support for Allen-Bradley ControlLogix PLCs that have been upgraded to firmware version 18.

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• 4.2.0

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•  03 Jan 2010 23:55
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• major feature additions

Release Notes: This release adds support for communicating directly with I/O Bus Terminals (such as the Beckhoff BK9105 and Phoenix Contact FL IL 24 BK ETH/IP-PAC). It also adds new API functionality to poll for PLC events in unsolicited mode using select().

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• 4.1.1

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•  09 Jan 2008 10:45
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• Major feature enhancements

Release Notes: This release adds support for Siemens Step 7 400-series CPUs. Also included are bugfixes for addressing timers and counters in the 'abeth' module.