... 1 minute),meet JEM-1021 standards,between power port and earth terminal. Insulation resistanceDC500V insulation tester test above ... common interface)COM2:RS485,support modbus,HMI,inverter and others device communication(optional)CAN:use board panel to extend ... -path,up to 200khz,support PWM,support trapezoidaccelerate and decelerateSoftware functionInterrupt:counter interrupt/native machine IO interrupt ...