894
7 APPLICATION INSTRUCTIONS
7.17 Pulse Related Instructions
7.17
Pulse Related Instructions
Measuring the density of pulses
SPD
This instruction counts the device input only for the specified time.
■
Execution condition
Setting data
■
Descriptions, ranges, and data types
*1 Only labels assigned to device (X) can be used.
■
Applicable devices
*1 Only X can be used. Note, however, that it can be used only within the range of the number of I/O points (the number of points that can
access I/O modules).
Ladder
ST
ENO:=SPD(EN,s1,s2,d);
FBD/LD
Instruction
Execution condition
SPD
Operand
Description
Range
Data type
Data type (label)
(s1)
Pulse input device number
Bit
ANY_BOOL
(s2)
Measurement time, or the device number of the device
containing the measurement time (unit: ms)
-32768 to 32767
16-bit signed binary
ANY16
(d)
Device for storing the measurement result
16-bit signed binary
ANY16
EN
Execution condition
Bit
BOOL
ENO
Execution result
Bit
BOOL
Operand
Bit
Word
Double word Indirect
specification
Constant
Others
X, Y, M, L,
SM, F, B, SB,
FX, FY
J
\
T, ST, C, D, W,
SD, SW, FD, R,
ZR, RD
U
\G
, J
\
,
U3E
\(H)G
Z
LT, LST,
LC
LZ
K, H E
$
(s1)
(s2)
(d)
RnCPU RnENCPU
RnSFCPU RnSFCPU
RnPCPU
RnPCPU
(Standard)
(Safety)
(Redundant)
(Process)
(s1)
(s2)
(d)
EN
ENO
d
s1
s2
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: ......