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Understanding the Roles of Data Loggers, RTUs, PLCs, and PACs

Author: Jacob Davis | Last Updated: 02/28/2018 | Comments: 1

Now and then, someone will ask if a Campbell Scientific data logger can be used in place of a PLC (programmable logic controller) or an RTU (remote terminal unit). Admittedly, it is not a simple question to answer. The capabilities of modern PLCs, RTUs, and... read more

One Helpful Method to Diagnose a Modbus Communication Problem

Author: Paul Smart | Last Updated: 03/08/2017 | Comments: 6

Have you ever set up a Campbell Scientific data logger as a Modbus server and discovered that your data was not arriving at your SCADA system as you expected? You may have quickly realized two things: troubleshooting the communication problem is not an easy task,... read more

How to Access Live Measurement Data Using Modbus

Author: Paul Smart | Last Updated: 04/07/2016 | Comments: 24

Did you know that you can turn your Campbell Scientific data logger into a Modbus TCP/IP server? Do you know why that’s a good idea? Campbell Scientific data loggers are commonly used as Modbus server devices. This means that the data logger is configured to... read more

10+ Reasons to Be Excited about the New CR300 Datalogger

Author: Robin Deissinger | Last Updated: 03/16/2016 | Comments: 3

In this short interview, Kevin Rhodes, the product manager for the new CR300, tells us how this new data logger will be helpful to Campbell Scientific customers and why he thinks the CR300 is a great value. Kevin is the Director of Product Management at... read more

Getting to Know DNP3

Author: Paul Smart | Last Updated: 01/20/2016 | Comments: 0

Have you heard of DNP3 but been unsure of what it is or what it’s used for? In this brief article, I’ll introduce you to this communications protocol, its role in SCADA applications, and how you can use it with your Campbell Scientific equipment and... read more

Why Modbus Matters: An Introduction

Author: Paul Smart | Last Updated: 09/02/2015 | Comments: 2

You may have heard of Modbus (a widely used communications protocol), but do you know why it is often used with Campbell Scientific data loggers? Do you know how to use Modbus for communication between your data loggers and other Modbus-capable devices? Modbus is just one... read more

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