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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):
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