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247
Pulse Outputs
Section 5-2
Note
This section explains the functions related to pulse outputs only. For details on
the PRV(881) instruction’s high-speed counter or interrupt functions, refer to
6-1 Interrupt Functions
or
5-1 High-speed Counters
.
PULSE WITH VARIABLE
DUTY FACTOR: PWM(891)
PWM(891) is used to output pulses with the specified duty factor.
Operand
Contents
P
Port specifier
0000 hex: Pulse output 0
0001 hex: Pulse output 1
1000 hex: PWM output 0
1001 hex: PWM output 1
C
Control data
0000 hex: Read the PV.
0001 hex: Read the status.
0003 hex: Read the pulse output frequency.
0013 hex: Read the frequency for 10-ms sampling.
0023 hex: Read the frequency for 100-ms sampling.
0033 hex: Read the frequency for 1-s sampling.
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.
PWM
P
F
D
P:
Port specifier
F:
Frequency
D:
Duty factor
Содержание CP1L CPU UNIT - 03-2009
Страница 1: ...Cat No W462 E1 06 CP1L CPU Unit SYSMAC CP Series CP1L L_0D_ CP1L M_0D_ OPERATION MANUAL...
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Страница 4: ...iv...
Страница 10: ...x...
Страница 22: ...xxii...
Страница 34: ...xxxiv Conformance to EC Directives 6...
Страница 70: ...36 Function Blocks Section 1 5...
Страница 584: ...550 Trouble Shooting Section 8 7...
Страница 627: ...593 Sample Application Section 9 12 Network Settings Network Tab Network Settings Driver Tab...
Страница 630: ...596 Sample Application Section 9 12...
Страница 654: ...620 Troubleshooting Unit Errors Section 11 4...
Страница 662: ...628 Replacing User serviceable Parts Section 12 2...
Страница 668: ...634 Standard Models Appendix A...
Страница 698: ...664 Auxiliary Area Allocations by Function Appendix C...
Страница 746: ...712 Auxiliary Area Allocations by Address Appendix D...
Страница 773: ...739 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Страница 774: ...740 Connections to Serial Communications Option Boards Appendix F...
Страница 806: ...772 Index...
Страница 808: ...774 Revision History...