Delta MMC120 User Manual
Page 72
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If the speeds show:
Your valve is probably curvilinear. Replace the valve with a linear one or increase the
proportional gain and tune the system for high-speed stability; expect poor control at low
speed and when stopped.
If the speeds show:
You may have too much hose between the valve and the cylinder. Reduce the amount of
hose or add differential gain (usually less than 5).
If the speeds show:
Your valve may have slow response. Change to a faster valve or add
ACCELERATION
FEED FORWARD
.