Sample Pi Control (Disable Tracking For Primary Loop) (M+P_Spi) - Mitsubishi Electric MELSEC iQ-R Series Programming Manual

10.14
Sample PI Control (Disable Tracking for primary
loop) (M+P_SPI)
M+P_SPI
This FB performs PI control during operating time (ST_) and outputs the result (MV). It holds the output (MV = 0) during
hold time (HT).
FBD/LD
M+P_SPI
PVP MVD
CASIN
Applicable tag type
SPI
Control mode
MAN AUT
 
■Block diagram
(%)
PVP
Engineering
CASIN (%)
value
conversion
Tag data
* Indicates bits item.
Setting data
■Input/output variable
Variable Description
name
PVP PV input (unit: %)
CASIN Cascade SV input (unit: %)
MV output (unit: %)
MVD
CAS

M+P_SPI
-
Inverse
engineering
value conversion
CAS
SV

10.14 Sample PI Control (Disable Tracking for primary loop) (M+P_SPI)

CMV

Deviation SPI
check operation
Disable alarm
detection
DVLA (*)
ALM
Recommended Type
range
0 to 100[%] Input variable
0 to 100[%] Input variable
-999999 to 999999[%] Output variable
10 LOOP CONTROL OPERATION
CSV

MVD
(%)
(ΔMV)
Data type
REAL
REAL
REAL
265
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