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Digital DC I/O Module CompactLogix, 16 inputs 24VDC, sinking or sourcing, Allen-Bradley

The 1769 Compact I/O modules can be used with a CompactLogix controller, as well as for expansion I/O in a MicroLogix 1500 controller assembly or in an assembly with a 1769-ADN DeviceNet adapter module. Unless connected to a MicroLogix 1500 base, each bank of I/O modules must include its own power supply. Install the I/O modules on a panel with two mounting screws or on a DIN rail. The modules mechanically lock together by means of a tongue-and-groove design and have an integrated communication bus that is connected from module to module by a moveable bus connector. Each I/O module includes a built-in removable terminal block with finger-safe cover for connections to I/O sensors and actuators. The terminal block is behind a door at the front of the module. I/O wiring can be routed from beneath the module to the I/O terminals. Once the modules are locked together, the system becomes a rugged assembly. Upper and lower tongue-and-groove slots guide the module during installation and secure the module within the system. Removable terminal blocks help ease the wiring task. Self-lifting, field-wire pressure plates cut installation time. The patented bus connector with locking function enables reliable module and system communication. A color bar is provided on the front of the module. Digital and field circuits are optically isolated.