11 PROCESS CONTROL INSTRUCTIONS
11.3 Control Operation Instructions
1283
11
■
Loop tag past value memory
The system uses this area as a work area.
To start the control from the initial status, clear data by using a sequence program.
The loop tag past value memory occupies 32 words after the loop tag memory.
■
Execution cycle (
T)
Set the execution cycle (
T) in SD816 and SD817 in single-precision real number.
+40
+41
HS
Upper/lower
limit alarm
hysteresis
0 to 999999 [%]
Single-precision
real number
0.0
User
+42
+43
CTIM
Variation rate
alarm check
time
0 to 999999 [s]
Set a value within the following range.
Single-precision
real number
0.0
User
+44
+45
DPL
Variation rate
alarm value
0 to 100 [%]
Single-precision
real number
100.0
User
Operand: (d2)
Position
Symbol
Name
Recommended range
Data type
Standard
value
Set by
+124
Variation rate
monitoring
counter
initialization
completion flag
System
+125
Variation rate
monitoring
counter
(rounded off to
the nearest
whole number)
+126
+127
E1
n-m
Operand: (d2)
Position
Symbol
Name
Recommended range
Data type
Standard
value
Set by
©
T
CTIM
<=32767
Summary of Contents for MELSEC iQ-R Series
Page 1: ...MELSEC iQ R Programming Manual Instructions Standard Functions Function Blocks ...
Page 2: ......
Page 24: ...22 INDEX 2092 INSTRUCTION INDEX 2093 REVISIONS 2104 WARRANTY 2105 TRADEMARKS 2106 ...
Page 34: ...32 MEMO ...
Page 35: ...33 PART 1 PART 1 OVERVIEW This part consists of the following chapter 1 OVERVIEW ...
Page 68: ...66 1 OVERVIEW 1 5 Precautions on Programming MEMO ...
Page 1448: ...1446 14 REDUNDANT SYSTEM INSTRUCTIONS 14 2 Disabling Enabling System Switching MEMO ...
Page 1972: ...1970 33 TIME DATA TYPE FUNCTIONS 33 4 Division MEMO ...
Page 2067: ...APPX Appendix 5 PID Control Program Examples 2065 A 252 Set PID control data for loop 2 ...
Page 2109: ......