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Quick-response Inputs Section 6-2
6-2 Quick-response Inputs
Overview
The quick-response inputs can read pulses with an ON time shorter than the
cycle time (as short as 50 µs). Use the quick-response inputs to read signals
shorter than the cycle time, such as inputs from photomicrosensors.
PLC Setup Use the CX-Programmer to set a built-in input as a quick-response input in the
PLC Setup. Click the Built-in Input Tab to display the
Interrupt Input
settings
(at the bottom of the tab). Set the input function from
Normal
to
Quick
for each
input that will be used as a quick-response input.
Bit Allocation for
Quick-Response
Inputs
The following diagrams show the input bits and terminals that can be used for
quick-response inputs in each CPU Unit.
CPU Units with 10 I/O
Points
The 2 input bits CIO 0.04 to CIO 0.05 can be used as quick-response inputs.
Upper Terminal Block
(CPU Unit with AC
Power Supply )
L1 L2/N COM 01 03 05
00 02 04
Quick-response input 1
CIO 0 inputs
Quick-response input 0
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