Rockwell Automation 1760-xxxx Pico GFX-70 Controllers User Manual - Manual (Page 322)

Publication 1760-UM002B-EN-P - March 2005
6-16 Pico-Link and Point-to-Point Serial Connections
Introduction to the Serial
Interface The Serial Interface is a point-to-point connection using the serial interface.
This interface connection allows the reading of input/output states as well as
the reading and writing of marker ranges. This data can be used for set point
entry or for display functions. The stations of the Serial Interface have
different functions. The active station controls the entire interface connection.
The remote station responds to the requests of the active station. The remote
station cannot distinguish whether the Serial Interface is active or whether a
PC with PicoSoft Pro is using the interface.
Topology
The following topologies are possible:
Two devices, GFX as active station and GFX as remote station.
Figure 6.5 Serial Interface connection to a another GFX
POW-Side