Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 246

Setting data
■Input/output variable
Variable Description
name
PVP PV input (unit: %)
CASIN_T Cascade SV input (unit: %) (With tracking) (Indirect address)
MVN MV output
CASOUT Cascade MV output (unit: %)
CASOUT_T Cascade MV output (unit: %) (With tracking) (Indirect address)
■Public variable (operation constant)
Variable Description
name
MTD Derivative Gain
DVLS Large Deviation Alarm Hysteresis
PN Reverse Action/Direct Action
TRK Tracking Flag
SVPTN_B0 Setting Value (SV) Used
SVPTN_B1 Setting Value (SV) Pattern
NMAX Output Conversion High Limit
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
SIMOUT Simulation Output
*1 Read or write the variables using a program. They are not displayed in "FB Property" of the engineering tool.
■Tag data
For details on tag data that is read or written with this tag access FB, refer to the following.
Page 507 PIDP
10 LOOP CONTROL OPERATION
244
10.11 Position Type PID Control (Enable Tracking for primary loop/Enable Tracking from secondary loop) (M+P_PIDP_EX_T_)
*1
*1
Recommended Type
range
0 to 100[%] Input variable
0 to 100[%] Input variable
NMIN to NMAX Output variable
0 to 100[%] Output variable
0 to 100[%] Output variable
Recommended Initial value
range
0 to 9999 8.0
0 to 100 2.0
0: Reverse action 0
1: Direct action
0: Not executed 0
1: Executed
TRUE: Not used TRUE
FALSE: Used
TRUE: Not primary MV TRUE
FALSE: Primary MV
-999999 to 999999 100.0
-999999 to 999999 0.0
Recommended Initial value
range
NMIN to NMAX 0.0
Data type
REAL
DWORD
REAL
REAL
DWORD
Set by Data type
User REAL
User REAL
User INT
User INT
User BOOL
User BOOL
User REAL
User REAL
Set by Data type
System REAL