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281
Pulse Outputs
Section 5-3
PULSE WITH VARIABLE
DUTY FACTOR: PWM(891)
PWM(891) is used to output pulses with the specified duty factor.
D
First
desti-
nation
word
Reading PV
(D and D+1)
After the pulse output PV is read, the 8-digit hexadecimal
data is stored in D and D+1. (D contains the rightmost 4
digits and D+1 contains the leftmost 4 digits.)
Reading
pulse output
status
(D)
Bit 0
Pulse Output Status Flag
0: Constant speed
1: Accelerating/decelerating
Bit 1
PV Underflow/Overflow Flag
0: Normal
1: Error
Bit 2
Pulse Output Amount Set Flag
0: Not set
1: Set
Bit 3
Pulse Output Completed Flag
0: Output not completed
1: Output completed
Bit 4
Pulse Output Flag
0: Stopped
1: Outputting pulses
Bit 5
No-origin Flag
0: Origin established
1: Origin not established
Bit 6
At Origin Flag
0: Not stopped at origin
1: Stopped at origin
Bit 7
Pulse Output Stopped Error Flag
0: No error
1: Pulse output stopped due to error
Bits 8 to 15 Not used.
Reading
PWM output
status (D)
Bit 0
PWM Output Flag
0: Stopped
1: Outputting pulses
Bits 1 to 15 Not used.
Operand
Contents
Operand
Contents
P
Port specifier
#0000: Pulse output 0 (duty factor set in 1% units)
#0001: Pulse output 1 (duty factor set in 1% units)
#1000: Pulse output 0 (duty factor set in 0.1% units)
#1001: Pulse output 1 (duty factor set in 0.1% units)
T
Frequency
0001 to FFFF hex (0.1 to 6553.5 Hz, in 0.1 Hz units)
S
Duty factor
Specify the duty factor of the pulse output, i.e., the percent-
age of time that the output is ON.
0000 to 03E8 hex (0.0% to 100.0%)
PWM
P
F
D
P: Port specifier
F: Frequency
D: Duty factor
Содержание CP1H-CPU - 05-2006
Страница 1: ...OPERATION MANUAL CP1H CPU Unit SYSMAC CP Series CP1H X40D CP1H XA40D CP1H Y20DT D Cat No W450 E1 02...
Страница 2: ...CP1H X40D CP1H XA40D CP1H Y20DT D CP1H CPU Unit Operation Manual Revised May 2006...
Страница 3: ...iv...
Страница 11: ...xii TABLE OF CONTENTS...
Страница 15: ...xvi...
Страница 19: ...xx...
Страница 31: ...xxxii Conformance to EC Directives 6...
Страница 71: ...40 Function Blocks Section 1 5...
Страница 133: ...102 Computing the Cycle Time Section 2 7...
Страница 169: ...138 CPM1A Expansion I O Unit Wiring Section 3 6...
Страница 411: ...380 Clock Section 6 8...
Страница 519: ...488 Replacing User serviceable Parts Section 10 2...
Страница 527: ...496 Standard Models Appendix A...
Страница 535: ...504 Dimensions Diagrams Appendix B...
Страница 628: ...597 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Страница 629: ...598 Connections to Serial Communications Option Boards Appendix F...
Страница 659: ...628 PLC Setup Appendix G...
Страница 665: ...634 Index work words 159 write protection 370...
Страница 667: ...636 Revision History...