The Allen-Bradley 1745-E156 is an expansion input/output module for SLC 150 series PLC systems, featuring 20 DC current sourcing digital inputs rated for 10 to 30 Volts DC and 12 AC/DC hard contact outputs rated for 10 to 250 Volts AC or 10 to 125 Volts DC. The module operates with input power ratings of 85 to 132 Volts AC or 170 to 265 Volts AC depending on the application, with a maximum power rating of 15 Volt-Amps. In North America, Europe, and Asia, the 1745-E156 may possibly enhance PLC expansion capabilities and could potentially be deployed across the globe, making it an essential component for professional industrial automation and reliable SLC 150 system operation.