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MELSEC-Q
7 FUNCTION
7.7.3 Selecting the response time of the interrupt module
(1) Selecting the response time of the interrupt module
Changing the response time of the interrupt module means to amend the input
response speed for interrupt modules (QI60) that support the Q Series to 0.1 ms,
0.2 ms, 0.4 ms, 0.6 ms and 1 ms.
Input from external devices is accepted at the input response speed set for the
interrupt module. The default setting for the input response time is 0.2 ms.
OFF
OFF
ON
ON
Input response time
External input
Interrupt module
(2) Setting the Input Response Time
Input response time is set up at the "I/O assignment" tab screen in the “(PLC)
Parameter" dialog box.
Select "Interrupt" among the slot types for which the input response time is to be
set.
Select "Interrupt" Select "Detailed settings"
Select "Input response time"
(3) Precautions
(a) The system will be adversely affected by noise, etc., when the input
response time is set to high speed. Set the input response time in
consideration of the operating environment.
(b) The input response time cannot be amended for the A1SI61 (interruption
module that supports the AnS Series.) No processing will be performed
with interruption modules that support the AnS Series, even if the input
response time is set in the slot.
(c) The GX Developer Version 6 (SW6D5C-GPPW-E) or later is required when
changing the response time of the interrupt module.
The input response time of the interrupt module cannot be amended with
the SW5D5C-GPPW-E or earlier GX Developers. (Fixed at 0.2 ms (default
setting.))
(d) The input response speed setting is valid in the following cases.
• After the PLC is turned on
• When the High Performance model QCPU is reset
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