BMS-IFDD02E2INSTALLATION MANUALDIGITAL INPUT/OUTPUTRELAY INTERFACE• Thank you very much for purchasing this TOSHIBA Digital Input/Output Relay Interface.• Please read this manual carefully beforehand for proper installation of the relay interface.CONTENTSPrecautions for Safety .................................................................................................................... 1Introduction ..................................................................................................................................... 2Before Installation .......................................................................................................................... 31 Installation.................................................................................................................................... 42 Conection of Power cables/Earth wires/Singl wires ............................................................... 53 Setting .......................................................................................................................................... 84 Trial Operation Check ................................................................................................................. 9