221
Pulse Outputs
Section 5-2
ACCELERATION
CONTROL: ACC(888)
Use ACC(888) to set the target frequency and acceleration and deceleration
rate and output pulses with acceleration and deceleration. (Acceleration rate
is the same as the deceleration rate.)
Either independent mode positioning or constant mode speed control is possi-
ble when used in combination with PULS(886). ACC(888) can also be exe-
cuted during pulse output to change the target frequency or acceleration/
deceleration rate, enabling smooth (sloped) speed changes.
PULSE OUTPUT:
PLS2(887)
Use PLS2(887) to set the startup frequency, acceleration rate, and decelera-
tion rate, and output a specified number of pulses. Only independent mode
positioning is supported.
PLS2(887) can also be executed during pulse output to change the number of
output pulses, target frequency, acceleration rate, or deceleration rate.
Operand
Contents
P
Port specifier
0000 hex: Pulse output 0
0001 hex: Pulse output 1
M
Output
mode
Bits 0 to 3
Mode
0 hex: Continuous
1 hex: Independent
Bits 4 to 7
Direction
0 hex: CW
1 hex: CCW
Bits 8 to 11
Pulse output method (See note.)
0 hex: CW/CCW
1 hex: Pulse + direction
Bits 12 to 15 Not used. (Always 0 hex.)
S
First
set-
tings
table
word
S
Acceleration/deceleration rate:
0001 to FFFF hex (1 to 65,535 Hz)
Specify the increase or decrease in the frequency per
pulse control period (4 ms).
S+1 and
S+2
S and S+1 contain the target frequency setting, in units
of 1 Hz. (S+1 contains the rightmost 4 digits and S+2
contains the leftmost 4 digits.)
0000 0000 to 000186A0 hex (0 Hz to 100 kHz)
J models: 0000 0000 to 00004E20 hex (0 Hz to 20 kHz)
ACC(888)
P
M
S
P:
Port specifier
M:
Output mode
S:
First word of settings table
PLS2(887)
P
M
S
F
P:
Port specifier
M:
Output mode
S:
First word of settings table
F:
First word of starting frequency
Содержание CP1L - 12-2007
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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...