Description: The 1756-L73 controller is a standard controller model from the ControlLogix product line. It is a ControlLogix 5570 type of controller that can handle 100 programs per task at a time and up to 32 tasks at a time.

The 1756-L73 ControlLogix 5570 controller supports several communication options, including the ControlNet, Ethernet/IP, DeviceNet, Synchlink, Remote I/O, and the Data Highway Plus device networks. It is also compatible with several third-party device networks. The 1756-L73 ControlLogix 5570 controller also supports controller redundancy and up to 500 controller connections at a time.

The 1756-L73 is capable of interfacing 128,000 input and output signals as well as 4000 analog Input and output signals. It can be implement local I/O configuration where I/O modules are installed within the same chassis where the controller is installed or distributed I/O topology where expansion I/Os are installed remote from the processor and provides I/O through the extended communication bus.

This controller supports Ethernet I/P, DeviceNet, ControlNet, Synchlink, as well legacy communication protocols such as Data Highway Plus (DH+), Remote I/O (RIO) and 3rd party protocols. It may also be configured to communicate with gateways and protocol converters. Similarly, this controller is compatible with any encompass partner ControlLogix modules.