Selection Of Input Response Time Of The High-Speed Input Module - Mitsubishi Electric MELSEC-Q Series User Manual
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7 FUNCTION
7.7.2 Selection of input response time of the high-speed input module
Hi. Input selection
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(1) Selection of input response time of the high-speed input module
Selection of input response rate of the high-speed input module is to change the
input response rate of the Q series-compatible high-speed input module (QX40-
S1) to 0.1ms, 0.2ms, 0.4ms, 0.6ms or 1ms on a module basis.
The high-speed input module imports external inputs at the specified input
response rate.
The default value of the input response rate is set to 0.2ms.
OFF
External input
OFF
High-speed
input module
(2) Input response time setup
Set the input response rate in the I/O assignment PLC parameters.
Choose "High-speed input" as the type of the slot to which the input response
rate is set.
(3) Precautions
(a)
Setting of a higher input response rate increases sensitivity to noise or like.
Take the operating environment into consideration when setting the input
response rate.
(b)
The setting of the input response rate is made valid when:
• The PLC is powered ON; or
• CPU module is reset.
ON
ON
Input response time
Advanced settings selection
MELSEC-Q
Input response time selection
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