User Manual of EM760 High-Performance Inverter Instructions on mechanical installation ● Please install/remove the IO card only when the inverter is safely powered off. ● Please remove the screw of the IO card bracket of the inverter, and install either screw 1 or 2 as shown in the installation diagram. ● Please install the copper pillar supplied with the IO card to the position of the screw, and install the fixing screw for the IO card. Fig. 9-2 Installation diagram of IO expansion card ● The picture of the real product is shown below 232 Output 2-channel relay output R3: RA3-RC3 are normally open R4: RA4-RC4 are normally open