11 PROCESS CONTROL INSTRUCTIONS
11.3 Control Operation Instructions
1321
11
■
Tracking processing (2)
• The set value (SV) is inversely transformed from the engineering value and SVn' is calculated (refer to the following
expression).
• Tracking processing is performed when all of the following conditions are satisfied.
• If the set value (E2) is the upper loop MV, the TRKF of the disable alarm detection (INH) of the upper loop is set to 1.
■
MV correction (3)
The instruction calculates the deviation (DV) based on the input value (E1) and the set value (SVn') after tracking, and then
calculates the MV correction value (MV').
• The deviation (DV) is calculated under the following conditions.
• The MV correction value (MV') is calculated under the following conditions.
■
MV output (4)
The manipulated value (MV (BW)) is calculated under the following conditions.
■
Two-position (on/off) control (5)
The BB operation result (BB1) is output under the following conditions.
■
Loop stop processing (6)
The following processing is performed according to the SPA status of the alarm detection (ALM).
■
Control cycle determination (7)
• If the specified control cycle is not reached, the following processing is performed.
• If the specified control cycle is reached, "SV setting processing (1)" is performed.
• The tracking bit (TRK) is set to 1.
• The set value (E2) is used.
• The control mode (MODE) is set to any of the following: MAN, AUT, CMV, CMB, CAB, LCM, LCA, or LCC.
E2 = SV
n
'
Condition
DV
Direct action (PN = 1)
E1-SV
n'
Reserve action (PN = 0)
SV
n
' - E1
Condition
MV'
DV
HS0
100%
DV
-HS0
0%
-HS0<DV<HS0
Last value (BW value)
Condition
BW
CMV, MAN, CMB, LCM
BW=MV
n
CSV, CCB, CAB, CAS, AUT, LCC, LCA
BW=MV'
MV
n
=BW
Condition
BB1
|BW|
50%
1
|BW| < 50%
0
SPA status
Processing details
1
The loop stops. When the loop stops, the following operations are performed and the S.ONF2 instruction ends.
The output value (BW) is held.
• The control mode (MODE) is set to MAN.
The output result (BB1) value is set to 0.
0
The loop runs and "control cycle determination processing (7)" is performed.
Control mode (MODE)
Processing
CSV, CCB, CAB, CAS, AUT, LCC,
or LCA
The output value (BW) is held and the S.ONF2 instruction ends.
MAN, CMB, CMV, or LCM
"Three-position (on/off) control (5) is processed assuming that the output value (BW) equals the manipulated value
(MV).
SV
n
'=
×(SV
n
-RL)
RH-RL
100
Содержание MELSEC iQ-R Series
Страница 1: ...MELSEC iQ R Programming Manual Instructions Standard Functions Function Blocks ...
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Страница 24: ...22 INDEX 2092 INSTRUCTION INDEX 2093 REVISIONS 2104 WARRANTY 2105 TRADEMARKS 2106 ...
Страница 34: ...32 MEMO ...
Страница 35: ...33 PART 1 PART 1 OVERVIEW This part consists of the following chapter 1 OVERVIEW ...
Страница 68: ...66 1 OVERVIEW 1 5 Precautions on Programming MEMO ...
Страница 204: ...202 5 SEQUENCE INSTRUCTIONS 5 3 Output Instructions Operation error There is no operation error ...
Страница 470: ...468 6 BASIC INSTRUCTIONS 6 6 Data Conversion Instructions Operation error There is no operation error ...
Страница 472: ...470 6 BASIC INSTRUCTIONS 6 6 Data Conversion Instructions Operation error There is no operation error ...
Страница 479: ...6 BASIC INSTRUCTIONS 6 6 Data Conversion Instructions 477 6 Operation error There is no operation error ...
Страница 504: ...502 6 BASIC INSTRUCTIONS 6 7 Data Transfer Instructions Operation error There is no operation error ...
Страница 518: ...516 6 BASIC INSTRUCTIONS 6 7 Data Transfer Instructions Operation error There is no operation error ...
Страница 520: ...518 6 BASIC INSTRUCTIONS 6 7 Data Transfer Instructions Operation error There is no operation error ...
Страница 754: ...752 7 APPLICATION INSTRUCTIONS 7 9 Real Number Instructions Operation error There is no operation error ...
Страница 756: ...754 7 APPLICATION INSTRUCTIONS 7 9 Real Number Instructions Operation error There is no operation error ...
Страница 758: ...756 7 APPLICATION INSTRUCTIONS 7 9 Real Number Instructions Operation error There is no operation error ...
Страница 760: ...758 7 APPLICATION INSTRUCTIONS 7 9 Real Number Instructions Operation error There is no operation error ...
Страница 895: ...7 APPLICATION INSTRUCTIONS 7 16 Ramp Signal Instruction 893 7 Operation error There is no operation error ...
Страница 917: ...7 APPLICATION INSTRUCTIONS 7 20 Data Processing Instructions 915 7 Operation error There is no operation error ...
Страница 919: ...7 APPLICATION INSTRUCTIONS 7 20 Data Processing Instructions 917 7 Operation error There is no operation error ...
Страница 1415: ...13 SFC PROGRAM INSTRUCTIONS 13 1 SFC Control Instructions 1413 13 Operation error There is no operation error ...
Страница 1448: ...1446 14 REDUNDANT SYSTEM INSTRUCTIONS 14 2 Disabling Enabling System Switching MEMO ...
Страница 1795: ...25 TYPE CONVERSION FUNCTIONS 25 1 Converting BOOL to WORD 1793 25 Operation error There is no operation error ...
Страница 1805: ...25 TYPE CONVERSION FUNCTIONS 25 10 Converting WORD to DINT 1803 25 Operation error There is no operation error ...
Страница 1819: ...25 TYPE CONVERSION FUNCTIONS 25 21 Converting INT to DWORD 1817 25 Operation error There is no operation error ...
Страница 1950: ...1948 32 STRING FUNCTIONS 32 2 Extracting String Data From the Left Right Operation error There is no operation error ...
Страница 1972: ...1970 33 TIME DATA TYPE FUNCTIONS 33 4 Division MEMO ...
Страница 2067: ...APPX Appendix 5 PID Control Program Examples 2065 A 252 Set PID control data for loop 2 ...
Страница 2082: ...2080 APPX Appendix 6 Process Control Program Examples 129 Set the default value of the loop tag ...
Страница 2093: ...APPX Appendix 7 List of Loop Tag Memory Areas Used by Process Control Instructions 2091 A MEMO ...
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