3.4 CN4 control signal terminal The CN4 signal terminal provides signal required for connection with the upper controller, and uses a DB44 socket; the pin distribution and signal definition are shown below: Fig. 3-5 Terminal position and pin distribution diagram of the driver control circuit 3.4.1 Pin distribution of the control signal terminal 24 Technical Manual for EA190 Series Servo Driver V100 Signal name Pin number Function description Digital input port DI1 5 Digital input, default function No. 1 Refer to Sections 3.4.2 and 3.4.4 DI2 20 Digital input, default function No. 2 DI3 4 Digital input, default function No. 13 DI4 19 Digital input, default function No.
14 DI5 3 Digital input, default function No. 3 DI6 18 Digital input, default function No. 12 DI7 2 Digital input, default function No. 20 DI8 17 Digital input, default function No. 21 COM+ 21 Digital input common positive terminal Power supply +24V 25/40 Internal 24V power source, voltage range +20V~26V, maximum output current 100mA COM 7/22/36 Internal 24V power ground; digital input common ground GND 14/29 Signal ground