■Public variable (operation constant)
Variable name
Description
SEL_NMAX
Output Conversion High Limit
SEL_NMIN
Output Conversion Low Limit
*1
SEL_TRK
Tracking Flag
SEL_SVPTN_B1
CASIN_T1 Used
SEL_SVPTN_B2
CASIN_T2 Used
SEL_SVPTN_B3
CASIN_T1 Pattern
SEL_SVPTN_B4
CASIN_T2 Pattern
SEL_SVPTN_B5
Tracking to Non-selected loop
*1 When 1 (tracking is executed) is set to the tracking flag, connect CASOUT_T of the primary loop with the input variable CASIN_T1 and
CASIN_T2.
■Public variable (others)
• 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 544 SEL
Processing details
This tag FB consists of the following function blocks.
Item
SEL 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
0: Not executed
1: Executed
TRUE: Not used
FALSE: Used
TRUE: Not used
FALSE: Used
TRUE: Not primary MV
FALSE: Primary MV
TRUE: Not primary MV
FALSE: Primary MV
TRUE: Execute
FALSE: Not execute
*1
Recommended range
1 to 5
1: MAN
2: AUT
3: CAS
4: CMV
5: CSV
TRUE: Execute
FALSE: Stop
Function block
M+P_SEL_T3_
M+P_MCHG
12.34 Loop Selector (Enable Tracking from secondary loop to primary loop) (M+M_SEL_T3_)
Initial value
Set by
Data type
100.0
User
REAL
0.0
User
REAL
0
User
INT
TRUE
User
BOOL
TRUE
User
BOOL
TRUE
User
BOOL
TRUE
User
BOOL
FALSE
User
BOOL
Initial value
Set by
Data type
0
User
INT
FALSE
User
BOOL
Reference
Page 334 M+P_SEL_T3_
Page 338 M+P_MCHG
12 LOOP TAG
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