The Peripheral Unit (UP) is a remote unit used for the remote control and supervision of a Medium Voltage Cabin, built according to the ENEL DX1215 ed.5 specifications. The UP is an intelligent microprocessor unit capable of cyclically acquiring digital and analog inputs, of operating digital output commands and of communicating with a central unit (UC) from which it receives commands and sends the status of the acquired signals.

The UP in the basic configuration (the extended configuration is shown in brackets) has: – n.1 230 / 110 VAC power supply, with integrated temperature-regulated battery charger; – n.8 (16) Interface ports with RGDAT (Directional Fault and Voltage Absence Detector); – n.8 (16) Interface ports with IMS (Motorized Switch and Disconnectors) or OdM (Maneuvering Device); – n.8 (16) Interface ports for analog measurements (4-20 mA); – n.8 (16) Interface ports for digital signals; – n.1 Interface port for Cabin Door Opening Signal; – n.1 Interface port for PT100 2 / 3 / 4 wire thermal probe suitable for detecting the cabin temperature; – n.1 USB interface port with Personal Computer for configuration and management (see last 2 figures in the gallery); – n.1 RS-232 interface port with modem device for PSTN, GSM network, or “4 wire leased line”, for communication with the Central Unit” according to the IEC 60870-5-101 protocol.