Changes - Revision history for Perl module PLC.pm

v0.14	Jan 13, 2004
	- Added DisableSerialPortStuff parameter in rc file
        - Changed 0.1.4 to numeric 0.14 for version checking
v0.1.3x Internal TEST version for Ethernet->NET-ENI->MicroLogix
v0.1.3  minor corrections to comments in this PLC.pm
v0.1.2  fixed Floating-point encoding for writes
v0.1	Oct 29, 2000
	- original version;


Licensed under the terms of the Artistic License (see the file 'Artistic')

This is for those of you with experience using Allen-Bradley PLC's
and/or SLC's. I'll try to keep the README file up to date.
Some of the error messages require knowledge of Allen-Bradley protocol
which can be found in their online manual at:

		http://www.ab.com/manuals/cn/protocol.html                #
  and in:	http://www.ab.com/manuals/cn/17706516.pdf                 #

###########################################################################
#                                                                         #
#  NOTE: (ControlLogixGateway, DataHighwayPlus, PLC5, and SLC are         #
#  registered trademarks of Allen-Bradley Company Incorporated.           #
#  Allen-Bradley has no connection at all with this software,             #
#  and I have no connection with Allen-Bradley,                           #
#  so don't expect them to give you free technical support.               #
#                                                                         #
#  Everything I know about these communication protocols comes from       #
#  the above AB manual (1770-6.5.16), from analysing RS232 and Ethernet   #
#  packets, and (for ethernet PLC stuff) from Ron Gage's abplc package.   #
#                                                                         #
###########################################################################


