10 command 9: flush converted data buffer, 11 command 66: send single-byte data to datalogger, 12 command 67: get return code – Campbell Scientific SDM-SIO4 4-Channel Serial I/O Interface User Manual
Page 38: 13 command 320: send byte data to sdm-sio4, 14 command 321: execute command line command
10 command 9: flush converted data buffer, 11 command 66: send single-byte data to datalogger, 12 command 67: get return code | 13 command 320: send byte data to sdm-sio4, 14 command 321: execute command line command | Campbell Scientific SDM-SIO4 4-Channel Serial I/O Interface User Manual | Page 38 / 82