简介：
LOGO! is a universal logic module made by Siemens that integrates: ● Controls ● Operator and display panel with background lighting ● Power supply ● Interface for expansion modules ● Interface for cards or cables, according to the device series: – If 0BA6, interface for a memory card, battery card, combined memory/battery card, LOGO! PC cable or USB PC cable – If 0BA7, interface for an SD card ● Interface for an optional text display (TD) module ● Pre-configured standard functions, for example, on- and off-delays, pulse relay and softkey ● Timers ● Digital and analog flags ● Inputs and outputs, according to the device type LOGO! 0BA7 additionally integrates the following components: ● Interface for Ethernet communication ● PE terminal for connecting to earth ground ● Two LEDs for indicating Ethernet communication status