... memory, transferred to PC directly by USB flash drive with our data analysis software, plug and play ... .000 to 10.000mA4.000 to 20.000mADigital I/O5 channels-dry-contract input, input resistance: ... : plug and play. Support 1GB,2GB,..USB flash drive Communication: RS485,RS232, MODBUS-RTU protocol Print:RS232, ... accurately when the power is off by using hard clock in recorder.Dimension:144*144*180mm Cutout ...