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Masoneilan 12400 Series Transmitter/Controller Instruction Manual | 39
Activation through push-buttons (see Annex C):
a.
Change device mode to
Setup
mode and go to the
Advanced Setup
menu.
b.
By pressing two times the push-b, go the Controller (
CTRL
) menu and press * to enter.
c.
Activate or disable the Controller function.
d.
Leave the Advanced Setup menu to validate the new setting.
7.7.3. PID
CONTROLLER STRUCTURE
The PID structure used is the
parallel
mode
:
Two types of designs can be selected for the derivative action based on the error or on the process variable
Derivative action is on the ERROR
Derivative action on the Process Variable.
P
I
D
SP
PV
OUT
P
I
D
SP
PV
OUT