Introduction 1 What is TEBESTCT? TEBESCT is the programming software for dialogue terminals KDT 623, KDT 624, and the terminal of Control Terminal KDT 680CT ( а 5). It replaces the MS-DOS-based text editor KED623. 1.1 System requirements Ш Standard industry PC inc. floppy drive, hard disk and serial interface hardware Ш Windows 3.11, Windows 95, Windows 98 or Windows NT 4.x Dialogue terminal PC running TEBESCT PLC Fig. 1: Programming station 7