Siemens sentron pac profibus dp pac profibus dp v1 7km9 300 0ab00 0aa0 siemens 7km9 300 0ab00 0aa0 p the siemens 7km9 300 0ab00 0aa0 sentron pac profibus dp is an expansion module for remote data transmission with the 7km pac3200 and pac4200 measuring devices the profibus dp allows for easy integration into any local or remote monitoring system the gateway functionality of this device reduces installation cost by replacing other gateway devices and simplifying wiring p p the module is