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10
Features and Main Functions
Section 1-1
Triangular Control
If the amount of output pulses required for acceleration and deceleration (the
target frequency times the time to reach the target frequency) exceeds the
preset target number of output pulses during positioning (when the ACC
instruction in independent mode or the PLS2 instruction is executed), the
acceleration and deceleration will be shortened and triangular control will be
executed instead of trapezoidal control. In other words, the trapezoidal pulse
output will be eliminated, with no period of constant speed.
Target Position Changes during Positioning (Multiple Start)
While positioning using a PULSE OUTPUT (PLS2) instruction is in progress,
the target position, target speed, acceleration rate, and deceleration rate can
be changed by executing another PLS2 instruction.
Positioning Changes during Speed Control (Interrupt Feeding)
While speed control in continuous mode is in effect, it is possible to change to
positioning in independent mode by executing a PULSE OUTPUT (PLS2)
instruction. By this means, interrupt feeding (moving a specified amount) can
be executed under specified conditions.
Target Speed, Acceleration Rate, and Deceleration Rate Changes during
Acceleration or Deceleration
When a PULSE OUTPUT instruction with trapezoidal acceleration and decel-
eration is executed (for speed control or positioning), the target speed and
acceleration and deceleration rates can be changed during acceleration or
deceleration.
Lighting and Power Control by Outputting Variable Duty Ratio Pulses
Operations, such as lighting and power control, can be handled by outputting
variable duty ratio pulse (PWM) output signals from the CPU Unit's built-in
outputs.
Origin Searches
Origin Search and Origin Return Operations Using a Single Instruction
An accurate origin search combining all I/O signals (origin proximity input sig-
nal, origin input signal, positioning completed signal, error counter reset out-
put, etc.) can be executed with a single instruction. It is also possible to move
directly to an established origin using an origin return operation.
Input Interrupts
In direct mode, an interrupt task can be started when a built-in input turns ON
or OFF. In counter mode, the rising or falling edges of built-in inputs can be
counted, and an interrupt task started when the count reaches a specified
value. The maximum number of interrupt input points is 6 for CPU Units with
20, 30, 40 or 60 I/O points and 4 for CPU Units with 14 I/O points and 2 for
CPU Units with 10 I/O points.
Note
For each input point, a selection in the PLC Setup determines whether it is to
be used as a normal input, interrupt input, quick-response input, or high-
speed counter. The interrupt input response frequency in counter mode must
be 5 kHz or less total for all interrupts.
Quick-response
Inputs
By using quick-response inputs, built-in inputs up to a minimum input signal
width of 50
μ
s can be read regardless of the cycle time. The maximum num-
ber of quick-response input points is 6 for CPU Units with 20, 30, 40 or 60 I/O
points and 4 for CPU Units with 14 I/O points and 2 for CPU Units with 10 I/O
points.
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...