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12
Valve Backlash Digit
Controls the time of the first correction pulse
after a change in correction direction is detected.
(INC to DEC
-or- DEC to INC).
Range: 1 to 9
1-Short Pulse
9-Long Pulse
Valve Speed Digit
Controls response time of Control Valve motor.
CAUTION:
Running the Control Valve too fast will
cause the system to oscillate.
C-Sd Valve Control
Range:
1 to 9
1-Slow
9-Fast
C-F, C-FC Valve Control
Range:
0 to 9
0-Fast
9-Slow
C-P, C-PC Valve Control
Range:
0 to 9
0-Slow
9-Fast
Brake Point Digit
Sets the percent away from target rate at which the
Control Valve motor begins turning at a slower
rate, so as not to overshoot the desired rate.
Range: 0 to 9
0 = 5%
1 = 10%
9 = 90%
Dead-Band Digit
Allowable difference between target and actual
application rate, where rate correction is not
performed.
Range: 1 to 9
1 = 1%
9 = 9%
4.
CALCULATING "VALVE CAL"
The initial recommended Control Valve calibration number for VALVE CAL is 2123
for C-SD (standard valve), 743 C-FC (fast close valve), 743 C-F (fast valve),
43 C-P (PWM valve) or 43 C-PC (PWM close valve). The VALVE CAL number is used to
control response time of the control valve motor to the change in vehicle speed.
After operating the system, this number may be refined. See definitions below:
For FAST VALVE (C-F)
For PWM VALVE (C-P)
For STANDARD VALVE (C-Sd): or FAST CLOSE VALVE (C-FC): or PWM CLOSE VALVE (C-PC):
Содержание SCS 460
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