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Quick-response Inputs Section 5-4
Setting the Input Functions in the PLC Setup
Normally, bits CIO 0.00 to CIO 0.01 and CIO 1.00 to CIO 1.03 are used as
normal inputs. When using these inputs for input interrupts, use the CX-Pro-
grammer to change the input’s setting in the PLC Setup.
Interrupt Input and
Quick-response Input
Specifications
Procedure
Restrictions Inputs cannot be used as quick-response inputs when they are being used as
general-purpose (normal) inputs, input interrupts, or high-speed counter
inputs.
Input terminal
block
Input operation setting
Word Bit Normal inputs Input interrupt Quick-response inputs
CIO 0 00 Normal input 0 Input interrupt 0 Quick-response input0
01 Normal input 1 Input interrupt 1 Quick-response input 1
04, 05, 10
and 11
Normal inputs 2 to
5
--- ---
CIO 1 00 Normal input 6 Input interrupt 2 Quick-response input 2
01 Normal input 7 Input interrupt 3 Quick-response input 3
02 Normal input 8 Input interrupt 4 Quick-response input 4
03 Normal input 9 Input interrupt 5 Quick-response input 5
04 and 05 Normal inputs 10
and 11
--- ---
Item Specification
ON delay 30 µs max.
OFF delay 150 µs max.
Response pulse
ON
OFF
30 µs min.
150 µs min.
Select quick-response inputs.
Wire inputs.
PLC Setup settings
•
When IN0 to IN7 are used as quick response inputs,
set the corresponding built-in input's Interrupt Input
setting to Quick in the PLC Setup's Built-in Input Tab.
• Use the quick-response inputs in
instructions such as LD.
Ladder program
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