Configuration software RS485 communication can not?

About 485 (RS485 converter) communication problems? First, use the configuration software to do the monitoring project, mainly to take the field instrument data, the instrument has 485 interface, but there is no such instrument type in the configuration software, how can we read the meter

Suction truck maintenance and repair

1. The Vacuum Pump lubricant is BM-14 mechanical vacuum pump oil, which can also be replaced with vehicle oil. The vacuum pump oil should be kept at the normal calibration level. If the vacuum pump oil is reduced, the suction vacuum function will be signifi