Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 386

■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
SPI_SVPTN_BO Setting Value (SV) Used
OUT1_NMAX Output Conversion High Limit
OUT1_NMIN Output Conversion Low Limit
■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
Processing details
This tag FB consists of the following function blocks.
Item
IN function
PHPL function
SPI 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.
12 LOOP TAG
384
12.16 Sample PI Control (Disable Tracking for primary loop) (M+M_SPI)
*1
Function block
M+P_IN
M+P_PHPL
M+P_SPI
M+P_OUT1
M+P_MCHG
Recommended range Initial
value
-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 100 2.0
0: Reverse action 0
1: Direct action
TRUE: Not used TRUE
FALSE: Used
-999999 to 999999 100.0
-999999 to 999999 0.0
Recommended range Initial
value
NMIN to NMAX 0.0
NMIN to NMAX 0.0
Recommended range Initial
value
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 265 M+P_SPI
Page 149 M+P_OUT1
Page 338 M+P_MCHG
Set by Data type
User REAL
User REAL
User REAL
User REAL
User REAL
User REAL
User REAL
User INT
User BOOL
User REAL
User REAL
Set by Data type
User REAL
System REAL
Set by Data type
User INT
User BOOL