2-2 Wiring Note 2: Connect securely to the ground as specified (type-D grounding for 200-V class, and type-C grounding for 400-V class). Do not share the grounding electrode with other strong electrical devices. Example of incorrect grounding Example of correct grounding 2 Inverter Inverter Inverter Inverter Inverter Inverter Ground bolt Design Wiring the Control Circuit Terminals and Relay Terminals 2-10 Relay output MB MA MC Analog Frequency monitor reference Multi-function output input Multi-function input output AM FS FV FI FC S5 S4 S3 S2 S1 SC PSC P24 PC P1 Short-circuit bar MB MA MC AM FS FV FI FC S5 S4 S3 S2 S1 SC PSC P24 PC P1