Rockwell Automation 1755-OF8 GuardPLC Controller Systems User Manual
Page 281
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Publication 1753-UM001C-EN-P - March 2010
281
Communicate with Modbus and Profibus Devices Chapter 22
Inputs are signals sent from the Profibus master to the controller
(slave). Outputs are signals sent from the controller (slave) to the
master.
1. Expand Protocols, right-click the Profibus-dp Slave icon, and
choose Connect Signals
.
2. Edit the signals you want to receive or send:
•
Use the Inputs tab to determine which values to read into the
controller. The Inputs tab contains pre-defined system
variables that can be interrogated via the assignment of
signals.
•
Use the Outputs tab to define output values to send to the
Profibus master.
•
Associate each input or output with a signal from the signal
editor. You can drag and drop signals from the signal editor
to the signal connections dialog box.
If you want to
Click this tab
create a new signal
New Connected Signal
renumber offsets sequentially for all signals
New Offsets
delete the selected signal
Delete Connected Signal