Technical Manual for EA350 Analog Pulse Type Servo Driver V101 1.2.4 Block diagram of EA350-028-3B or below servo drivers Caution ☞ 1. EA350-1R6/2R5/4R8/6R2 models are of AC220V power supply and have no L3 terminal. 2. EA350-1R6/2R5/017/022/028, without built-in braking resistor, terminal D and short-circuiting piece. 11