West Control Solutions 8700+ - Manual (Page 78)

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- DIN Controllers & Indicators - Product Manual
59305, Issue 7
– March 2014 P6170, P8170 & P4170 Model Group Page 73
Set Valve Opened Position & Set Valve Closed Position
Hold down and press to enter the Select Mode
Press or to navigate to the Setup Mode option, then press to enter
Setup Mode.
Press to scroll through the parameters until

is shown in the Lower Display
to indicate that the Set Valve Open Position sequence has started. The Upper Display
will be Blank.
Press The Upper Display will now show

.
Press to activate the Open Valve Output until the valve reaches its “fully open”
end stop.
Press The Upper Display will be again be Blank and the Auxiliary Input value will
be measured and stored in memory as the value equal to the fully open valve position.
Press to scroll through the parameters until

is shown in the Lower Display
to indicate that the Set Valve Closed Position sequence has started. The Upper
Display will be Blank.
Press The Upper Display will now show

.
Press to activate the Close Valve Output until the valve reaches its “fully closed”
end stop.
Press The Upper Display will be again be Blank and the Auxiliary Input value will
be measured and stored in memory as the value equal to the fully closed valve
position.
Note:
If the above sequence is not followed exactly, the valve position will not be accurately
reported, and the Valve Open Limit & Valve Close Limit parameters will not work as
expected.
Valve Position Clamping
Once the physical limits of the valve have been set using the Set Valve Open Position and
Set Valve Closed Position parameters, the user may set the upper and lower valve position
clamps, which the controller will not attempt to drive the valve past. See parameters

(Open Limit) to set and

(Valve Close Limit) in the following table.