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Title: Interfacing the Controllogics PLC over Ethernet/IP.

Conference ·
OSTI ID:975834

The Allen-Bradley ControlLogix [1] line of programmable logic controllers (PLCs) offers several interfaces: Ethernet, ControlNet, DeviceNet, RS-232 and others. The ControlLogix Ethernet interface module 1756-ENET uses EtherNet/IP, the ControlNet protocol [2], encapsulated in Ethernet packages, with specific service codes [3]. A driver for the Experimental Physics and Industrial Control System (EPICS) has been developed that utilizes this EtherNet/IP protocol for controllers running the vxWorks RTOS as well as a Win32 and Unix/Linux test program. Features, performance and limitations of this interface are presented.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE
OSTI ID:
975834
Report Number(s):
LA-UR-01-5891; TRN: US201018%%920
Resource Relation:
Conference: Submitted to: ICALEPCS 2001, San Jose, CA, November 27-30, 2001
Country of Publication:
United States
Language:
English