CV500BC031 Omron, CV500BC031 Datasheet - Page 292
CV500BC031
Manufacturer Part Number
CV500BC031
Description
Programmable Logic Controller
Manufacturer
Omron
Datasheet
1.CV500BC031.pdf
(403 pages)
Specifications of CV500BC031
Peak Reflow Compatible (260 C)
No
Leaded Process Compatible
No
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Message Delay Times
Note Commands: Transmission delay time is calculated assuming that the number
Link Servicing Interval (Source and Destination Nodes)
Link servicing depends on the execution mode of the PLC. The execution
modes on the source and destination 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 (Source and Destination 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 8-2 Communications Cycle Time (on page 255).
Transmission Delay Time
Transmission delay time varies with the baud rate.
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.
Example
In this example, the maximum transmission delay is calculated for an instruc-
tion receiving 256 words of data in a system with 32 nodes. Network specifics
are detailed below:
Baud rate
2 Mbps
1 Mbps
500 Kbps
Baud rate:
Max. node address:
Number of nodes:
Number of polled nodes per comm cycle:
Source node execution:
Destination node execution:
Number of words:
Data link:
Number of words transferred × 0.08 + 0.112 ms
Number of words transferred × 0.016 + 0.224 ms
Number of words transferred × 0.032 + 0.448 ms
Transmission delay time
2 Mbps
32
32
4
Synchronous
Asynchronous
256
Inactive
Section 8-4
267
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