Motorized Valve - Watlow F4T User Manual

Output 1 Size
Set the proportion of the total power that is controlled by the proportional (vernier) output.
This must greater than each of the other three (Output 2 Size, Output 3 Size and Output 4
Size).
Range: 0 to 99,999
Output 2 Size
Set the proportion of the total power that is switched by on-off output 2.
Range: 0 to 99,999
Output 3 Size
Set the proportion of the total power that is switched by on-off output 3.
Range: 0 to 99,999
Output 4 Size
Set the proportion of the total power that is switched by on-off output 4.
Range: 0 to 99,999
Time Delay
Set minimum amount of time to wait between turning on one on-off output and the next. This
is used to avoid power surges.
Range: 0 to 9,999 seconds
Output Order
Choose the method by which outputs 2, 3 and 4 are sequenced.
Options:
• Linear: turns the on-off outputs on in the same order every time
• Progressive: rotates the order to balance usage and wear on contactors and heaters

Motorized Valve

This function controls the position of a proportional valve without using position feedback.
When power is applied to the controller, the valve is driven closed.
Signals
Direction Label
Receiver IN
CLS
Transmitters
OPN
Function
To operate a proportional valve without position feedback, set Function to Motorized Valve.
Valve Travel Time
Set this to the time the valve takes to travel between fully closed and fully open.
Range: 10 to 9,999 seconds
Wat l ow F4T
Type
Desired position of the valve where 0% is fully closed and
Analog %
100% is fully open
Digital On to drive the valve closed
Digital On to drive the valve open
Function
• 1 9 1 • Ch ap t er 5 Fu n ct io n Re f e r e n c e