Concrete mixer station before starting to check the following eight aspects: limit switch is normal, there is no alarm on the computer running interface; concrete mixer began to ramp, flat belt; start mixing console; start mixing station source air pressure Machine pressure 0.7MPa after the pressure to meet the surrounding; please disable the automatic production of concrete switches, “prohibited specific” documents;
Concrete mixing station control system manually “switch to” automatic “; then open the emergency stop button switch, concrete mixing plant and then through the manual console power supply, PLC and instrument power display normal, open UPS, open the computer to check.
The control station of the concrete mixing station is equipped with an emergency stop switch, the key switch is in the closed state, and the patch panel inside the console is in the OFF state, and the power switch on the main chassis in the absence of any load is turned off (in the case of a load , When the power switch off the cabinet may lead to collapse.
In the concrete mixing station control system self-test Note: mixed control system operation is not skilled, please strictly follow the following steps. Make sure the computer input signal is normal. Open the silo bottom plate valve, admixture, feed valve, pump and inlet valve aggregate storage silo full of material, clear the host, the middle of each object needs to be carefully checked.