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193
Pulse Outputs
Section 5-2
Operations Affecting the Origin Status (Established/Not Established Status)
The following table shows the operations that can affect the origin status (ori-
gin established or no-origin), such as changing the operating mode and exe-
cuting certain instructions.
The No-origin Flag will be ON when the corresponding pulse output's origin is
not established and OFF when the origin is established.
Absolute pulse
specification
The absolute pulse specification cannot be
used when the origin location is undetermined,
i.e., when the system is operating in the relative
coordinate system. An instruction execution
error will occur.
Positions the system to an absolute position rel-
ative to the origin.
The number of movement pulses and move-
ment direction are calculated automatically from
the current position (pulse output PV) and target
position.
The following example shows the number of
pulses setting = +100.
Number of movement pulses = Number of
pulses setting - Pulse output PV when instruc-
tion is executed
The movement direction is determined automat-
ically.
Pulse output PV when instruction is executed =
Number of pulses setting
Pulse output PV range:
8000 0000 to 7FFF FFFF hex
Number of pulses setting range:
8000 0000 to 7FFF FFFF hex
Pulse output
specified in
PULS(886) or
PLS2(887)
Coordinate system
Relative coordinate system
Absolute coordinate system
Origin not established:
The No-origin Flag will be ON in this case.
Origin established:
The No-origin Flag will be OFF in this case.
+100
+200
0
Number of pulses
setting
II
Number of
movement pulses
Target
position =
number of
pulses
setting
Current
position
Pulse
output PV
Origin
Current status
PROGRAM mode
RUN mode or MONITOR
mode
Operation
Origin
established
Origin not
established
Origin
established
Origin not
established
Operat-
ing mode
change
Switch to
RUN or
MONITOR
Status
changes to
“Origin not
established.”
“Origin not
established”
status contin-
ues.
---
---
Switch to
PROGRAM
---
---
“Origin
established”
status contin-
ues.
“Origin not
established”
status contin-
ues.
Содержание CP1L - 12-2007
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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 428: ...395 Clock Section 6 9...
Страница 429: ...396 Clock Section 6 9...
Страница 523: ...488 Troubleshooting Unit Errors Section 9 4...
Страница 531: ...496 Replacing User serviceable Parts Section 10 2...
Страница 563: ...528 Auxiliary Area Allocations by Function Appendix C...
Страница 611: ...576 Auxiliary Area Allocations by Address Appendix D...
Страница 638: ...603 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Страница 639: ...604 Connections to Serial Communications Option Boards Appendix F...
Страница 669: ...634 Index...
Страница 671: ...636 Revision History...