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199
Message Delay Times
Section 9-4
cations cycle + Transmission delay (command) + Reception processing (com-
mand) + Link servicing interval (remote node) + Link service processing
(remote node) + Transmission processing (response) + Communications
cycle + Transmission delay (response) + Reception processing (response) +
Link servicing interval (local node) + Link service processing (local node).
Link Servicing Interval (Local and Remote Nodes)
Link servicing depends on the execution mode of the PLC. The execution
modes on the local and remote modes need not be the same.
For synchronous execution, links are serviced once per PLC execution cycle.
For asynchronous execution, links are serviced according to the peripheral
servicing interval. Refer to the CVM1 and CV-series PLCs Operation Manual:
Ladder Diagrams (W202) for details.
Link Service Processing (Local and Remote Nodes)
Link service processing is the same as the PLC’s peripheral servicing and is
approximately 1 ms for Controller Link Units.
Transmission Processing
Commands: 2 ms
Responses:
Number of words transferred
×
0.00075 ms + 2 ms
Communications Cycle Time (with Data Links Inactive
See 9-2 Communications Cycle Time (on page 187).
Transmission Delay Time
Number of words transferred
×
0.008 + 0.112 ms
Note Commands: Transmission delay time is calculated assuming that the number
of words to be transferred is zero.
Responses: Transmission delay time is calculated according to the number of
words to be transferred.
Reception Processing
Commands: 1.3 ms
Responses:
Number of words transferred
×
0.00075 ms + 2 ms
The I/O response time can increase due to noise or restrictions on the number
of frames that can be transmitted while the data link is operating.
Содержание CS1W-CLK12-V1
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Страница 9: ...x TABLE OF CONTENTS ...
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Страница 59: ...42 Component Names and Functions Section 3 1 Dimensions Unit mm ...
Страница 62: ...45 Component Names and Functions Section 3 1 Dimensions Unit mm ...
Страница 91: ...74 CVM1 and CV series Optical Ring Controller Link Units Section 4 2 ...
Страница 108: ...91 Setting Data Links Section 5 2 Device Information Setting Data Link Tables ...
Страница 125: ...108 Checking Data Link Status Section 5 4 ...
Страница 181: ...164 Setting Routing Tables Section 7 4 ...
Страница 199: ...182 Memory Areas Related to Duplex Operation Section 8 6 ...
Страница 275: ...258 Handling Precautions Section 10 7 ...
Страница 298: ...281 CS series Optical Bus Controller Link Units Appendix C Dimensions Unit mm 101 35 130 ...
Страница 299: ...282 CS series Optical Bus Controller Link Units Appendix C ...
Страница 311: ...Authorized Distributor Cat No W370 E1 03 Note Specifications subject to change without notice Printed in Japan ...
Страница 312: ...CS1W CLK12 V1 CVM1 CLK12 CS1W CLK52 V1 CVM1 CLK52 Optical Ring Controller Link Units Cat No W370 E1 03 OPERATION MANUAL ...