User manual

Publication LOGIX-AP010B-EN-P - May 2010 29
Controllers and I/O Modules Chapter 1
• Remote I/O
Most remote I/O racks are connected to the Profibus DP network, so
no changes are needed. When the remote I/O connects to another
network (for example, Legacy Siemens network), the interface module
must be replaced by a Profibus DP slave module.
• Peer-to-peer communication
Because not all controllers can be migrated simultaneously, you may
need to exchange data between the new ControlLogix controllers and
other S5 controllers (for example, interlocking or handshaking). To
accommodate this, several options are available.
– A Profibus DP communication module placed in the ControlLogix
chassis to communicate with master and slaves on the Profibus DP
network.
– A standalone module (gateway) that provides a transparent pass for
the data between two networks (for example, Ethernet/IP to
Profibus DP). They do not change the data sequence or the data
itself.
– A module placed in the Logix chassis that connects and transfers
monitoring and control data between islands of automation across
diverse platforms, networks and protocols. Additional
message-specific controller programming with this solution is
unnecessary. The module can be configured for the right data
mapping.
See
Appendix A for more information on the possible modules to use.
S5 Controller with Logix I/O
Rockwell Automation 1794-FLEX I/O series is a small, modular I/O system
for distributed applications that perform all functions of rack-based I/O. The
FLEX I/O system consists of power supply, terminal base and I/O modules.
By using this I/O system with the 1794-APB Flex I/O Profibus adapter, it is
possible to make the I/O available on a Profibus network.
The S5 controller can be configured as a Profibus Master and communicate to
the I/O via Profibus. The configuration of the S5 controller will be dependant
on the model of S5 controller used.
Prosoft also provides modules to link Logix modules to Profibus.