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Table 72. pulse-input channels and measurements – Campbell Scientific CR3000 Micrologger User Manual

Page 319

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Section 8. Operation

319

 

Figure 100: Pulse-sensor output signal types

Figure 101: Switch-closure pulse sensor

Table 72. Pulse-Input Channels and Measurements

Pulse-Input

Channel

Input Type

Data Option

CRBasic

Instruction

P1, P2

High-frequency

Low-level ac

Switch-closure

Counts

Frequency

Run average
of frequency

PulseCount()

C1, C2, C3, C4,

C5, C6, C7, C8

High-frequency

Switch-closure

Low-level ac
(with LLAC4
Low-Level AC
Conversion
Module)

Counts

Frequency

Running
average of
frequency

Interval

Period

State

PulseCount()

TimerIO()