801-CMC2711 A-B  Digital Input Module

Modularity of FLEX I/O system provides choice of network and ease of expansion. The wiring terminations are done almost entirely on the terminal base. Terminal base termination selection includes screw-clamp, spring-clamp, and cage-clamp to wire directly to 2-wire, 3-wire, or 4-wire devices. Additional options of D-shell, knife disconnect, and fused terminal bases are also available. Adjustable keyswitch helps prevent incorrect module insertion into a pre-configured terminal base. Terminal bases can be exchanged without moving other bases in your system. If desired, connect individual power supplies to each base to isolate modules. Plug the I/O module into the terminal base to connect the I/O bus and field devices. Remove and insert modules under power. No direct wiring to the module enables you to change modules without disturbing field wiring or system power. Mix and match I/O modules. There is a wide variety of digital, analog, and specialty modules. Each FLEX I/O system contains at least one adapter, one terminal base, and one I/O module.

You can power the system with a FLEX power supply (1794-PS13 or 1794-PS3), a 1606 switched-mode power supply, or any other compatible power source. Use the terminal block on the terminal base to wire your field devices directly. Wiring directly saves: • Installation and testing time • Multiple, long wiring runs, and external terminal blocks • Control cabinet panel space FLEX I/O provides additional savings if system problems develop. Combining your field-wiring terminations and the I/O interface into the same location saves you time and money by making your system easier to maintain and troubleshoot. Additionally, the full-featured FLEX I/O system lets you, in non-hazardous location, remove, and insert modules under backplane power without disrupting your system. Your FLEX I/O system can communicate on EtherNet/IP, ControlNet, DeviceNet, and many other open networks including, but not limited to Remote I/O and PROFIBUS DP. Adapters and other components are available for adding to your system as your specific application requirements change.

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