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README
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============================================================================
= df1 1.0.0 23/01/2003 =
============================================================================
======================================
Author
======================================
Author: Stephane LEICHT
e-mail: [email protected]
======================================
Requirements
======================================
a SLC500 or micrologix connected on the serial port.
======================================
Install
======================================
Compilation: make
install : copy df1 in /usr/bin
copy df1d in /etc/init.d
======================================
Features
======================================
This program is a daemon to communicate with ethernet TCPIP from programmable logic
controller SLC500 and MicroLogix ALLEN-BRADLEY connected on the serial port (df1).
======================================
Licence
======================================
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
======================================
Getting started
======================================
start df1 daemon with the script df1d > /etc/init.d/df1d start
open a telnet session > telnet localhost 17560
read integer value in SLC500 > N7:1
write integer value in SLC500 > N7:1=456
T4:0.PRE=15
read float value in SLC500 > F8:5
write float value in SLC500 > F8:2=-3.14
F8:1=5E-4
F8:0=7.001
read boolean value in SLC500 > B3:0/5
T4:0.dn
write boolean value in SLC500 > B3:0/5=1
B3:0/4=0
you can view logs in /var/log/syslog.