Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 359

■Public variable (operation constant)
Variable name Description
IN_NMAX Input High Limit
IN_NMIN Input Low Limit
IN_HH High Limit Range Error
IN_H High Limit Range Error Reset
IN_L Low Limit Range Error Reset
IN_LL Low Limit Range Error
PID2_MTD Derivative Gain
PID2_DVLS Large Deviation Alarm Hysteresis
PID2_PN Reverse Action/Direct Action
*1
PID2_TRK Tracking Flag
PID2_SVPTN_BO Setting Value (SV) Used
PID2_SVPTN_B1 Setting Value (SV) Pattern
*1 When 1 (tracking is executed) is set to the tracking flag, connect CASOUT_T of the primary loop with the input variable CASIN_T.
■Public variable (others)
• Simulation processing
Variable name Description
SIMIN Simulation Input
• Control mode change processing (MCHG function)
Variable name Description
MODEIN Mode Change Signal
E_ Enable Mode Change
*1 Read or write the variables using a program. They are not displayed on "FB Property" of the engineering tool.
■Tag data
For details on tag data that is read or written with this tag FB, refer to the following.
Page 496 2PID
Processing details
This tag FB consists of the following function blocks.
Item
IN function
PHPL function
2PID function
DUTY function
MCHG function
Operation error
An error may occur in a function block that is used in a tag FB. For details on the error, refer to corresponding function blocks.
12.7 2-degree-of-freedom PID Control and DUTY O/P (Enable Tracking for primary loop) (M+M_2PID_DUTY_T)
*1
Function block
M+P_IN
M+P_PHPL
M+P_2PID_T
M+P_DUTY
M+P_MCHG
Recommended Initial value
range
-999999 to 999999 100.0
-999999 to 999999 0.0
-999999 to 999999 102.0
-999999 to 999999 100.0
-999999 to 999999 0.0
-999999 to 999999 -2.0
0 to 9999 8.0
0 to 100 2.0
0: Reverse action 0
1: Direct action
0: Not executed 0
1: Executed
TRUE: Not used TRUE
FALSE: Used
TRUE: Not primary MV TRUE
FALSE: Primary MV
Recommended Initial value
range
NMIN to NMAX 0.0
Recommended Initial value
range
1 to 5 0
1: MAN
2: AUT
3: CAS
4: CMV
5: CSV
TRUE: Execute FALSE
FALSE: Stop
Reference
Page 144 M+P_IN
Page 291 M+P_PHPL
Page 202 M+P_2PID_T
Page 168 M+P_DUTY
Page 338 M+P_MCHG
Set by Data type
User REAL
User REAL
User REAL
User REAL
User REAL
User REAL
User REAL
User REAL
User INT
User INT
User BOOL
User BOOL
Set by Data type
User REAL
Set by Data type
User INT
User BOOL
12 LOOP TAG
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