•
LED green, steady light: non-actuated position of the non-actuated process
valve reached.
•
LED green, steady light with yellow flashing light: non-actuated position saved
or actuated position not yet reached after main stroke (green 750ms/ yellow
250ms).
•
LED green, flashing: position between non-actuated and actuated position for
movement towards the actuated position visualised by the green steady light
(starting from the position previously visualised with yellow steady light).
•
LED yellow, steady light: actuated position of the actuated process valve
reached.
•
LED yellow, flashing: position between non-actuated and actuated position for
movement towards the actuated position visualised by the yellow steady light
(starting from the position previously visualised with green steady light).
•
LED red, flashing: fault/setup.
•
LED red, flashing for 1 sec. / pause for 1 sec. / .... Default.
•
There is a tolerance of 10% for all flashing cycles.
There is a power failure if no signal is displayed for more than 5 seconds!
6.5.2
Colour Changeover
The "colour changeover" function allows you to swap the colour from green to
yellow or yellow to green for the following visualizations: valve in non-actuated
position, valve in actuated position and travel
Carry out the following steps:
1.
Disconnect the control top from the power supply.
Switch DIP 1 from position 0 to position 1.
Switch the power supply back on.
®
Done.
Hint!
When the colours are swapped, the feedback signals are also
swapped!
6.6
Control Top Fitted to VARIVENT Valve FDD
This chapter describes how the control top is fitted to and removed from a
VARIVENT valve FDD. Observe the following notes when doing so.
Notice
The vent plug E2 is a safety element.
If the element is not installed correctly or if the vent is covered, the safety
function is no longer guaranteed.
► The installation position of the vent plug E2 must never be pointing
vertically upwards.
► The vent plug E2 must never be covered.
Assembly and installation
Control Top Fitted to VARIVENT Valve FDD
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Summary of Contents for T.VIS M-20 FDD
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