Chapter 4
40 Viper Pro Installation & Operation Manual
Application and Control Valve Type(s)
The application and control valve type settings configure the Viper Pro for the type of product applied with the
control system and how the products will be applied.
1. Touch within the Product Control area at the bottom of the main screen.
2. Make sure that Node 1 is selected on the CAN Controller Status screen
3. Touch within the Application area at the bottom of the CAN Controller status screen.
4. Select the type of control valve installed on the machine and which is controlled with the product assigned
to channel or node 1.
The following valves are commonly used:
Valve Type Description
Standard
Select this type when using a standard valve. This is a butterfly-type valve
used in liquid applications. The valve stops adjusting rate and remains at the
current position when the control signal is removed.
This valve type setting is also used when controlling a CAN Motor Control
node.
Fast Same as the Standard valve, but can change setting at a higher rate.
Fast Close
Same as the Standard valve, but can change setting at a higher rate and
closes completely when the master switch is in the ‘off’ position.
PWM
This valve uses pulse width modulation to control the speed of a hydraulic
motor. Typically used to drive a liquid pump.
PWM Close
PWM valve that closes completely when the master boom switch is in the 'off'
position. Typically used to control a hydraulic motor to a spreader apron.
Motor Type
The valve type options above will be replaced with the motor type options if
CAN motor control node is detected for control of direct injection systems.
Refer to the injection pump operation manual for more information on
calibrating or operating the injection pump.
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