2-Degree-Of-Freedom Pid Control (Enable Tracking For Primary Loop) (M+M_2Pid_T) - Mitsubishi Electric MELSEC iQ-R Series Programming Manual

Process control function blocks

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2-degree-of-freedom PID Control (Enable Tracking

for primary loop) (M+M_2PID_T)

This FB performs two-degree-of-freedom PID control combining the functions of M+P_IN, M+P_PHPL, M+P_2PID_T, and

M+P_OUT1 into a single FB. The primary loop can be tracked.

Applicable tag type

Control mode

■Block diagram

MCHG function

* (M+P_ ) indicates the main structure member tag access FB which is the main component of each function.

Setting data

■Input/output variable

Variable name

Input from a module

Primary loop SV input (Unit: %) (With tracking)

(Indirect address)

Output to a module

Cascade MV output (Unit: %)

Cascade MV output (Unit: %) (With tracking)

(Indirect address)

2PID function

PHPL function

(M+P_2PID_T)*

(With auto tuning function)

Recommended range

-999999 to 999999

OUT1_NMIN to

12.5 2-degree-of-freedom PID Control (Enable Tracking for primary loop) (M+M_2PID_T)

OUT1 function

Input variable

Output variable