Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 357

■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
PID2_SVPTN_BO Setting Value (SV) Used
OUT1_NMAX Output Conversion High Limit
OUT1_NMIN Output Conversion Low Limit
■Public variable (others)
• Simulation processing
Variable name Description
SIMIN Simulation Input
SIMOUT Simulation Output
• 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
OUT1 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.
Recommended range
-999999 to 999999
-999999 to 999999
-999999 to 999999
-999999 to 999999
-999999 to 999999
-999999 to 999999
0 to 9999
0 to 100
0: Reverse action
1: Direct action
TRUE: Not used
FALSE: Used
-999999 to 999999
-999999 to 999999
*1
Recommended range
NMIN to NMAX
NMIN to NMAX
Recommended range
1 to 5
1: MAN
2: AUT
3: CAS
4: CMV
5: CSV
TRUE: Execute
FALSE: Stop
Function block
M+P_IN
M+P_PHPL
M+P_2PID
M+P_OUT1
M+P_MCHG
12.6 2-degree-of-freedom PID Control (Disable Tracking for primary loop) (M+M_2PID)
Initial value Set by Data type
100.0 User REAL
0.0 User REAL
102.0 User REAL
100.0 User REAL
0.0 User REAL
-2.0 User REAL
8.0 User REAL
2.0 User REAL
0 User INT
TRUE User BOOL
100.0 User REAL
0.0 User REAL
Initial value Set by Data type
0.0 User REAL
0.0 System REAL
Initial value Set by Data type
0 User INT
FALSE User BOOL
Reference
Page 144 M+P_IN
Page 291 M+P_PHPL
Page 208 M+P_2PID
Page 149 M+P_OUT1
Page 338 M+P_MCHG
12 LOOP TAG
12
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