Precautions for Correct Use
• The transaction time for a single workpiece is shorter if parallel processing is enabled to allow
parallel execution of the measurement flow.
For details, refer to 4-4-2 Parallel Processing on page 4 - 27.
• It is assumed that the Double Speed multi-input will be used together with the multi-input
function. Refer to Multi-input Function before you use the Double Speed Multi-input. When
the multi-input function cannot be used, the Double Speed Multi-input mode is not available.
Choose another mode than the Double Speed Multi-input mode.
For details, refer to Multi-input Function on page 4 - 15.
• Certain processing items, such as Serial Output, Parallel Output, and Parallel Judgement
Output, may slow the performance of the Double Speed Multi-input mode if they are pro-
grammed in the first half of the flow. If the performance drops significantly, consider the use of
parallel processing.
• Some processing items, such as Trend Monitor and Last NG Display, may not function cor-
rectly if Double Speed Multi-input is used. Do not use them. Calculation items that use the
numeric values from a previous STEP may not calculate correctly.
• You cannot use Simplified Non-stop Adjustment Mode during Double Speed Multi-input.
• External commands to obtain and set unit data will not operate correctly. Do not use them.
• If you use external commands, the BUSY signal will remain ON during command execution
longer than for other operation modes.
• Compared with other operation modes, it will take more time to perform processing which in-
cludes screen transition, such as Scene switch, Scene group switch and Edit flow.
l
About Double Speed Multi-input
Two cores performs the same inspection flow alternatively, which help to shorten measurement takt
time.
Example: Processing using the Multi-input processing with a single core CPU
STEP
Measurement processing is never executed in parallel.
Shortest takt time
Measurement processing
Camera processing
Measurement processing
Camera processing
STEP
Camera processing
Processing with core 0
Example: Processing using the Double Speed Multi-input with dual-core CPU
4 Setting the Controller
4 - 14
FH/FHV Series Vision System User’s Manual (Z365-E1)
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