Available. The Mitsubishi ST1H-PB is a PROFIBUS-DP head module designed for the MELSEC-ST series, facilitating seamless communication between remote I/O modules and PROFIBUS networks. This module supports a maximum transmission distance of 4,800 meters with up to three repeaters, ensuring reliable data exchange over extended distances. It accommodates up to 63 addressable slave modules, with a total of 304 data points, including 256 digital bits and 32 analog words, providing flexible I/O configurations. The ST1H-PB operates with a 5 VDC internal power supply, consuming 530 mA, and interfaces with external power supplies via the ST1PSD module. Its compact dimensions of 114.5 x 50.5 x 74.5 mm make it suitable for various industrial applications where space is a consideration. For detailed specifications and configuration guidelines, refer to the GX Configurator-DP Version7 Operating Manual.