Topcon X35 - Control Valve Settings

X35 Monitor Air Seeder Setup
6.55
6.7.2.3 Control Valve Settings
1. Controller Type - these settings refer to the
operating
characteristics of control valves
for NH3 or liquid systems. The correct type
of controller must be selected whether it is
an electric Regulator Valve or a hydraulic
Proportional Valve.
a. Proportional Valve - this valve controls
the
hydraulic oil flow to the pump and
changes the output of the pump so that the
pump is only delivering what is required.
i. It uses a solenoid to open a hydraulic
valve to drive a hydraulic pump.
ii. The opening of the valve varies with
the voltage applied to the solenoid.
b. Regulator
Valve - this valve uses a motor
to open or close the valve depending on
the flow requirements.
i. Positive or negative power is applied
to run the motor.
ii. The tank output to the regulator
valve stays constant.
iii. The regulator valve either restricts or
diverts excess product.
Depending on what valve is chosen, different
settings will be displayed.
Figure 6.74 - NH3 Control Valve Settings