Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 345

■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
PID_MTD Derivative Gain
PID_DVLS Large Deviation Alarm Hysteresis
PID_PN Reverse Action/Direct Action
*1
PID_TRK Tracking Flag
PID_SVPTN_BO Setting Value (SV) Used
PID_SVPTN_B1 Setting Value (SV) Pattern
OUT1_NMAX Output Conversion High Limit
OUT1_NMIN Output Conversion Low Limit
*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
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 491 PID
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
0: Not executed
1: Executed
TRUE: Not used
FALSE: Used
TRUE: Not primary MV
FALSE: Primary MV
-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
12.1 Velocity Type PID Control (Enable Tracking for primary loop) (M+M_PID_T)
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
0 User INT
TRUE User BOOL
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
12 LOOP TAG
12
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