Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 383

■Public variable (operation constant)
Variable Description
name
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
SPI_DVLS Large Deviation Alarm Hysteresis
SPI_PN Reverse Action/Direct Action
*1
SPI_TRK Tracking Flag
SPI_SVPTN_BO Setting Value (SV) Used
SPI_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 Description
name
SIMIN Simulation Input
SIMOUT Simulation Output
• Control mode change processing (MCHG function)
Variable Description
name
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 511 SPI
Recommended range
-999999 to 999999
-999999 to 999999
-999999 to 999999
-999999 to 999999
-999999 to 999999
-999999 to 999999
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
12.15 Sample PI Control (Enable Tracking for primary loop) (M+M_SPI_T)
Initial Set by Data type
value
100.0 User REAL
0.0 User REAL
102.0 User REAL
100.0 User REAL
0.0 User REAL
-2.0 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 Set by Data type
value
0.0 User REAL
0.0 System REAL
Initial Set by Data type
value
0 User INT
FALSE User BOOL
12 LOOP TAG
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