Features

• Reliability with a Mean Time Between Failure (MTBF) rating that exceeds 400,000 hours
• 6 K words through 100 K words user memory

Backup options:

• ControlNet™ Hot Backup module provides control of outputs if the primary controller shuts down
• PLC-5® Backup Communication module helps increase the fault tolerance of systems controlling I/O on a remote I/O link

I/O support:

• Monitor and control I/O across ControlNet, DeviceNet™, and Universal Remote I/O links
• Forcible I/O ranges from 512 through 3072 I/O
• Maximum remote I/O locations ranges from 5 through 125

Communication ports:

• On-board ports for DH+, Universal Remote I/O, and RS-232-C/RS-422-A/RS-423-A communication
• Ethernet or ControlNet dual-media ports included on some controllers
• Separate modules provide additional communication ports

Products

• 1785 PLC-5 Controllers
• 1771 Communication Modules
• 1771 Universal I/O Modules
• 1771 Power Supplies
• 1771 Chassis