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225
Pulse Outputs
Section 5-2
MODE CONTROL: INI(880)
In addition to the various interrupt and high-speed counter functions, INI(880)
can be used to change the pulse output PV or stop the pulse output.
Note
This section explains the functions related to pulse outputs only. For details on
the INI(880) instruction’s high-speed counter or interrupt functions, refer to
6-1
Interrupt Functions
or
5-1 High-speed Counters
.
HIGH-SPEED COUNTER
PV READ: PRV(881)
In addition to its interrupt and high-speed counter functions, PRV(881) can be
used to read the pulse output PV or pulse output status information.
The status of the following flags is read as status information:
• Pulse Output Status Flag
• PV Underflow/Overflow Flag
• Pulse Output Amount Set Flag
• Pulse Output Completed Flag
• Pulse Output Flag
• No-origin Flag
• At Origin Flag
• Pulse Output Stopped Error Flag
C
Con-
trol
data
Bits 0 to 3
Not used. (Always 0 hex.)
Bits 4 to 7
Not used. (Always 0 hex.)
Bits 8 to 11
Pulse output method (See note.)
0 hex: CW/CCW
1 hex: Pulse + direction
Bits 12 to 15 Mode
0 hex: Origin search
1 hex: Origin return
Operand
Contents
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
0002 hex: Change the PV.
0003 hex: Stop pulse output.
NV
First word of new PV
NV and NV+1 contain the new PV when changing the
PV. (N contains the rightmost 4 digits and N+1 con-
tains the leftmost 4 digits.)
0000 0000 to FFFFFFFF hex
INI(880)
P
C
NV
P:
Port specifier
C:
Control data
NV:
First word of new PV
PRV(881)
P
C
D
P:
Port specifier
C:
Control data
D:
First destination word
Содержание CP1L-L14D Series
Страница 2: ...CP1L L14D CP1L L20D CP1L M30D CP1L M40D CP1L CPU Unit Operation Manual Revised June 2007...
Страница 3: ...iv...
Страница 9: ...x...
Страница 13: ...xiv TABLE OF CONTENTS...
Страница 21: ...xxii...
Страница 33: ...xxxiv Conformance to EC Directives 6...
Страница 65: ...32 Function Blocks Section 1 5...
Страница 153: ...120 CP CPM1A series Expansion I O Unit Wiring Section 3 6...
Страница 523: ...490 Troubleshooting Unit Errors Section 9 4...
Страница 531: ...498 Replacing User serviceable Parts Section 10 2...
Страница 563: ...530 Auxiliary Area Allocations by Function Appendix C...
Страница 611: ...578 Auxiliary Area Allocations by Address Appendix D...
Страница 638: ...605 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Страница 639: ...606 Connections to Serial Communications Option Boards Appendix F...
Страница 669: ...636 Index...
Страница 671: ...638 Revision History...