Rockwell Automation 1756-NEX Nexus Module - Manual (Page 18)

1-6 About the 1756-CLX/C Module
Publication 1756-UM524B-EN-P - December 2008
1756-CLX/C Module Architecture
The figure below shows how the various components of a system using the 1756-CLX/C
module interact.
Configuration Overview
The figure below shows an overview of the configuration process.
Backplane
1756-CLX/C API
1756-CLX/C
module
Backplane
communication
1756-CLX/C
message handling
Backplane
communication
Application (ladder)
Tags (data)
1756-CLX/C Dlink SMG/BS
Ethernet port
Windows
NT 4.0
(UDP/IP)
Logix5000 Controller
Development PC
ControlLogix tools
Logix5000 Controller
Application ladder
Tags
Send parameters
(DF, MCG, TCD)
Receive parameters
(DF, TCD)
Parameters
(Node, TCP/IP)
Setup
(DF, MCG, TCD)
(DF, TCD)
IP Address
Data field
Created at sending
Handle (send)
Created at startup
Handle (receive)
Data field (local only) and
multi-cast groups
IP Address and mask
1756-CLX/C
module