l Datalogger Support Software - Software retrieves data, sends programs, and sets settings.
The software manages the communications link and has options for data display.
l Programmable Logic Control - Some data acquisition systems require the control of
external devices to facilitate a measurement or to control a device based on measurements.
This datalogger is adept at programmable logic control. See Programmable logic control
(p. 14) for more information.
l Measurement and Control Peripherals - Sometimes, system requirements exceed the
capacity of the datalogger. The excess can usually be handled by addition of input and
output expansion modules.
1.1 The CR1000X Datalogger
The CR1000X is used in a broad range of measurement and control projects. Rugged enough for
extreme conditions and reliable enough for remote environments, it plays a critical role in
numerous complex applications. Used in applications all over the world, it is a powerful core
component for your data acquisition system.
1.1.1 Overview
The CR1000X datalogger is the main part of a data acquisition system (see Data acquisition
system components (p. 1) for more information). It has a central-processing unit (CPU),
analogue and digital measurement inputs, analogue and digital outputs, and memory. An
operating system (firmware) coordinates the functions of these parts in conjunction with the
onboard clock and the CRBasic application program.
The CR1000X can simultaneously provide measurement and communications functions. Low
power consumption allows the datalogger to operate for extended time on a battery recharged
with a solar panel, eliminating the need for ac power. The CR1000X temporarily suspends
operations when primary power drops below 9.6 V, reducing the possibility of inaccurate
measurements.
The electronics are RF shielded and protected by the sealed, stainless-steel canister, making the
CR1000X economical, small, and very rugged. A battery-backed clock assures accurate
timekeeping.
1.1.2 Operations
The CR1000X measures almost any sensor with an electrical response, drives direct
communications and telecommunications, reduces data to statistical values, performs
calculations, and controls external devices. After measurements are made, data is stored in
onboard, nonvolatile memory. Because most applications do not require that every measurement
1. Data acquisition system components 2
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