Raven SCS 660 User Manual

Chapter 2
10 SCS 660 & 660M Serial Interface for Granular Applications Installation & Service Manual
Calculate the Rate Cal Value
Determine the application rate pounds/acre [kg/ha] at which the chemical is to be applied. This figure is used
as the Rate Cal value. Be sure to consult with the equipment manual to verify that the gate opening is capable
of applying at that rate.
Note: The Spreader Constant value must be recalculated every time the gate opening dimensions are
changed.
Digit Description Range Range Definition
Valve Backlash
Controls the time of the first correction pulse
after a change in correction direction is
detected (INC to DEC, or DEC to INC)
1 - 9
1 = Short Pulse
9 = Long Pulse
Valve Speed
Controls the response time of the control valve
motor. Caution: Running the control valve
too fast will cause the system to oscillate.
Refer to
specific valve
Refer to specific
valve
C-SD Valve 1 - 9
1 = Slow
9 = Fast
C-F and C-FC Valve 0 - 9
0 = Fast
9 = Slow
C-P and C-PC Valve 0 - 9
0 = Slow
9 = Fast
Brake Point
Sets the percentage away from target rate at
which the control valve motor begins turning at
a lower rate.
0 - 9
0 = 5%
1 = 10%
9 = 90%
Dead Band
Allowable difference between the target and
actual application rate, where rate correction is
not performed.
1 - 9
1 = 1%
9 = 9%

Raven SCS 660 Specifications

General

Brand	Raven
Model	SCS 660
Category	Recording Equipment
Language	English