Azbil Corporation
Model
KFPA
,
KFTA
- Field Mount type Pressure Indicating Controllers
19
4-5: Unusing the rate action
To unuse the rate action with the rate unit mounted, turn the rate off switch on the unit
fully counterclockwise. This feature is convenient when adjusting the controller
mechanism.
When rate action is required, turn the rate off switch fully clockwise.
4-6: Setting of batch switch
(1) Connect the controller output to a pressure gauge
(2) Perform the following settings and apply a deviation input to saturate the output.
Proportional band: 50%
Reset time:
0.02 min.
(3) Decrease the output to the desired value by turning the setting screw. The output
decreases as the screw is turned counterclockwise.
(4) When the function as a batch controller is not required, turn the setting screw fully
clockwise.
Figure 20
Setting dials
Rate off switch
Pressure regulator valve
Check button
Auto (A) / Manual (M)
transmitter switch
Feedback link
Differential link
* When turning PB setting dial
take care not to touch
feedback link or differential
link.
