The Allen-Bradley 1403-MM05B is a sophisticated master module within the Power Monitor II Series, designed for precise power monitoring with selectable accuracy at +/-0.1 nominal and a fixed update rate of 90 milliseconds. This module stands out with its dual-mode oscillography capabilities, offering both 7-channel double cycle and configurable 2-channel 12-cycle oscillography for advanced monitoring needs. Operating at a nominal current of 5 Amps and supporting voltages from 120 Volts to 347 Volts L-N (208 Volts to 600 Volts L-L), it is powered by either 24 Volts AC at 50/60 Hz or up to 48 Volts DC. The 1403-MM05B supports extensive analog and digital I/O connectivity, with a high-speed 10 Mbps Ethernet communication card ensuring seamless integration into Allen-Bradley PLC 5 systems, complete with web page support for real-time monitoring and data logging. Additionally, it accommodates up to three display modules and offers versatile network communication options through its single or dual-port high-speed communication modules.