CV500BC101 Omron, CV500BC101 Datasheet - Page 283
CV500BC101
Manufacturer Part Number
CV500BC101
Description
Programmable Logic Controller
Manufacturer
Omron
Datasheet
1.CV500BC031.pdf
(403 pages)
Specifications of CV500BC101
Peak Reflow Compatible (260 C)
No
Leaded Process Compatible
No
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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CVM1 and CV-series PLCs
Under Asynchronous
Operation
CS/CJ-series PLCs, CVM1
and CV-series PLCs in
Synchronous Mode,
CQM1H-series PLCs, and
C200HX/HG/HE PLCs
8-3-2
258
Data Link I/O Response Time
PLC processing
Instruction execution
Peripheral processing
Data Processing Time
Basic processing
Peripheral servicing interval
CPU Bus
Unit service
When a CVM1 or CV-series CPU Unit is operating in asynchronous mode,
data exchange with the Controller Link Unit is executed as interrupt process-
ing during peripheral processing, regardless of the cycle time of PLC instruc-
tion execution. Data exchange timing is as follows:
More than one data exchange can be executed during a PLC cycle, depend-
ing on the data exchange timing. If interrupt processing for data exchange is
executed, the peripheral servicing interval will be lengthened by the time
required for the interrupt processing (see 8-3-2 Data Processing Time on
page 258).
When a CS/CJ-series, CQM1H-series, CVM1, or CV-series PLC is operating
in synchronous mode, a CQM1H-series, or a C200HX/HG/HE PLC is operat-
ing, data exchange with the Controller Link Unit is executed as processing
during peripheral processing for the PLC cycle. Data exchange timing is as
follows:
If processing for data exchange is executed, the PLC cycle time will be length-
ened by the time required for the interrupt processing (see 8-3-2 Data Pro-
cessing Time below).
The time required to process data exchange (data processing time) can be
roughly estimated as shown in the following table.
The number of words processed in a single data exchange is shown in the fol-
lowing table for each series of PLC. If the number of data link words exceeds
the value shown in the table, data exchange will be executed as several sepa-
rate processes.
PLC processing
CS1-H, CJ1-H, CJ1M CPU Unit
CS1, CJ1 CPU Unit
CVM1-series CPU Unit
Execution
PLC cycle time
Interrupt processing
for data exchange
Basic processing
I/O refreshing
Programming
Device/Host Link
service
Basic processing
CPU Unit
Execution
Execution
CPU Bus
Unit service
Interrupt processing
for data exchange
I/O refreshing
PLC cycle time
Processing for
data exchange
I/O refreshing
0.1 ms + Number of transfer words × 0.7 µs
1.5 ms + Number of transfer words × 1 µs
1.7 ms + Number of transfer words × 1 µs
Programming
Device/Host Link
service
Equation estimating data processing time
Basic processing
Execution
Peripheral
service
CPU Bus
Unit service
I/O refreshing
Interrupt processing
for data exchange
Basic processing
Programming
Device/Host Link
service
Section 8-3
Execution
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