High-Speed Mode Input Type
High-Speed
Inputs
Required
Reset Input Enable Input
High-Speed Count (HSC)
Up Count
1
Optional
Optional
Down Count
Up and Down Counts
2
Pulse and Direction
Quadrature (A and B)
Quadrature (A and B with Z) 3 N/A
Interval Measurement (ITV)
Single Input 1
OptionalDual Inputs 2
Duration Measurement (DUR)
Single Input 1
Frequency Measurement (FRQ)
Single Input 1
N/A N/A
Quadrature (A and B) 2
Each Input Mode consumes the available number of High-Speed Inputs. The Reset and Enable
features can use High-Speed Inputs, Digital Input Modules, or Control Relays (Internal Bits).
The transition delay (latency) is longer for Input Modules and Control Relays since these are
scan based.
CLICK PLC Hardware User Manual, 5th Edition, Rev. F β C0-USER-M
3β45
Chapter 3: Installation and Wiring