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Pulse Outputs
Section 5-2
5-2-2
Pulse Output Specifications
Specifications
Pulse Output Modes
There are two pulse output modes. In independent mode the number of out-
put pulses is specified and in continuous mode the number of output pulses is
not specified.
Item
Specifications
Output mode
Continuous mode (for speed control) or independent mode (for position control)
Positioning (independent mode)
instructions
PULS(886) and SPED(885), PULS(886) and ACC(888), or PLS2(887)
Speed control (continuous mode)
instructions
SPED(885) or ACC(888)
Origin (origin search and origin
return) instructions
ORG(889)
Output frequency
Pulse outputs 0, 1: 1 Hz to 100 kHz (1 Hz units)
Frequency acceleration and decel-
eration rates
Set in 1 Hz units for acceleration/deceleration rates from 1 Hz to 65,635 Hz (every 4
ms). The acceleration and deceleration rates can be set independently only with
PLS2(887).
Changing SVs during instruction
execution
The target frequency, acceleration/deceleration rate, and target position can be
changed.
Duty factor
Fixed at 50%
Pulse output method
CW/CCW inputs or Pulse + direction inputs
The method is selected with an instruction operand. The same method must be used
for pulse outputs 0 and 1.
Number of output pulses
Relative coordinates: 0000 0000 to 7FFF FFFF hex
(Each direction accelerating or decelerating: 2,147,483,647)
Absolute coordinates: 8000 0000 to 7FFF FFFF hex
(
−
2147483648 to 2147483647)
Pulse output PV's relative/absolute
coordinate specification
Absolute coordinates are specified automatically when the origin location has been
determined by setting the pulse output PV with INI(880) or performing an origin
search with ORG(889). Relative coordinates are used when the origin location is
undetermined.
Relative pulse specification/
Absolute pulse specification
The pulse type can be specified with an operand in PULS(886) or PLS2(887).
Note
The absolute pulse specification can be used when absolute coordinates are specified for
the pulse output PV, i.e. the origin location has been determined.
The absolute pulse specification cannot be used when relative coordinates are specified,
i.e. the origin location is undetermined. An instruction error will occur.
Pulse output PV's storage location The following Auxiliary Area words contain the pulse output PVs:
Pulse output 0: A277 (leftmost 4 digits) and A276 (rightmost 4 digits)
Pulse output 1: A279 (leftmost 4 digits) and A278 (rightmost 4 digits)
The PVs are refreshed during regular I/O refreshing.
Acceleration/deceleration curve
specification
Trapezoidal or S-curve acceleration/deceleration
Mode
Description
Independent mode
This mode is used for positioning.
Operation stops automatically when the preset num-
ber of pulses has been output. It is also possible to
stop the pulse output early with INI(880).
Continuous mode
This mode is used for speed control.
The pulse output will continue until it is stopped by
executing another instruction or switching the PLC to
PROGRAM mode.
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 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...