User manual

82 Rockwell Automation Publication 1756-UM001O-EN-P - October 2014
Chapter 4 ControlLogix System and Controllers
• Enhanced redundancy
• Standard redundancy
• SIL2
• SIL2 fault-tolerant I/O with Studio 5000 subroutines
• SIL2 fault-tolerant I/O with Studio 5000 Add-On Instructions
ControlLogix Controller
Features
The ControlLogix controllers are part of the Logix5000 family of controllers
that are offered by Rockwell Automation. The sections that follow describe the
differentiating features of the ControlLogix controllers.
System, Communication, and Programming Features
Table 10 lists the system, communication, and programming features available
with ControlLogix controllers.
Table 10 - ControlLogix Controller Features
Feature 1756-L61, 1756-L62, 1756-L63,
1756-L64, 1756-L65
1756-L71, 1756-L72, 1756-L73,
1756-L74, 1756-L75
Controller tasks • 32 tasks
• 100 programs/task
• Event tasks: all event triggers
• 32 tasks
• 1000 programs/task
• Event tasks: all event triggers
Communication ports 1 port - RS-232 serial 1 port - USB, 2.0 full-speed, Type B
Communication options • EtherNet/IP
• ControlNet
• DeviceNet
• Data Highway Plus™
• Remote I/O
• SynchLink
• Third-party process and device networks
Serial port communication • ASCII
• DF1 full/half-duplex
• DF1 radio modem
• DH-485
• Modbus via logic
N/A
Controller connections supported, max 250 500
Network connections, per network
module
• 128 ControlNet (1756-CN2/B)
• 100 ControlNet (1756-CN2/A)
• 40 ControlNet (1756-CNB)
• 256 EtherNet/IP; 128 TCP (1756-EN2x)
• 128 EtherNet/IP; 64 TCP (1756-ENBT)
Controller redundancy Full support except for motion applications
Integrated motion • Integrated Motion on the EtherNet/IP network
• Sercos interface
• Analog options:
– Encoder input
– LDT input
– SSI input
Programming languages • Relay ladder
• Structured text
• Function block
• Sequential function chart (SFC)