显示 1 - 20 of 23 文章 tagged with: CRBasic
作者： Dana Worley | 最后更新： 04/09/2021 | 评论： 0
Do you currently use SMSSend() in a CRBasic data logger program to send SMS messages through a Campbell Scientific CELL2XX internal or external cellular module? There are some things you should know about the recent improvements we made that affect how SMSSend() works.
With the release...
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作者： Gary Roberts | 最后更新： 02/21/2018 | 评论： 3
You may have heard about the new integrated cellular modem gateways available as options on some of our data loggers. But, do you know what these options really offer, and how they can help your data communication needs now and for decades to come? In...
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作者： Janet Albers | 最后更新： 10/25/2017 | 评论： 2
Have you ever noticed a message saying that your CRBasic program compiled in PipelineMode or SequentialMode? What does it mean? And, when does it matter? In this article, we’ll look at these two modes.
Sequential Mode
Let’s start with the more straightforward mode: SequentialMode. The CRBasic Editor...
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作者： Gary Roberts | 最后更新： 05/31/2017 | 评论： 2
Maybe you’re like me when it comes to skipped scans. I have always disliked seeing skipped scans in my data loggers. I have been trained to watch out for them and do my best to write my CRBasic programs in a way that makes them...
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作者： Paul Smart | 最后更新： 09/02/2016 | 评论： 1
Turning your Campbell Scientific data logger into a DNP3 outstation is a great way to allow systems that use the DNP3 protocol to have access to your live measurement data, as well as historical data. When you use your data logger as a DNP3 outstation, the...
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作者： Carolyn Ivans | 最后更新： 06/22/2016 | 评论： 7
You may have identified the need to add external data storage to your data logger with flash-memory cards. But do you know which CRBasic instruction to use to do it? In this article, I’ll help you choose the most suitable instruction for your application. In a...
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作者： Jacob Davis | 最后更新： 04/21/2016 | 评论： 0
Have you ever had a sensor work on a P (pulse) data logger terminal, but not on a C (control) terminal? Is the list of choices for the PConfig parameter in the PulseCount() instruction daunting? Campbell Scientific data loggers offer several options for measuring pulse...
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作者： Paul Smart | 最后更新： 04/07/2016 | 评论： 18
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...
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作者： Sam Utley | 最后更新： 03/23/2016 | 评论： 10
Note: It appears that after this blog article was written, Weather Underground has been phasing out the “PWS – Upload Protocol.” The following tutorial may or may not work currently or in the future. However, it continues to offer some insight into structuring a CRBasic...
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作者： Gary Roberts | 最后更新： 03/02/2016 | 评论： 1
Would it be helpful to include data from a reputable source with your own data? If you have permission to use another source’s data for free or by agreement, how can you easily extract the specific data you want to use without doing a lot...
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作者： Paul Smart | 最后更新： 01/20/2016 | 评论： 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...
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作者： Jacob Davis | 最后更新： 01/06/2016 | 评论： 2
Do you feel lost when sifting through wind direction data that is listed in degrees? For example, can you picture in your mind what direction 195 degrees is? Would it be easier if your data logger could put your data in compass directions instead? In...
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作者： Gary Roberts | 最后更新： 12/09/2015 | 评论： 1
Have you ever wanted the ability to control your Raven cellular modem with your data logger? Would it be nice to be able to get data on the health of your cellular modem and its data network? Maybe you even want to reset your Raven...
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作者： Janet Albers | 最后更新： 10/07/2015 | 评论： 2
CRBasic has a full menu of instructions to help you write or edit your data logger program. This article offers a main course of scheduling your data logger actions using the RealTime() instruction with a side dish of making your program easier to read with...
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作者： Barbra Utley | 最后更新： 08/12/2015 | 评论： 3
You’ve collected your measurement data, but how do you easily make sense out of it? How can you simplify the post-processing of your data and start analyzing it sooner? In this article, I’ll explain how adding some code to your CRBasic program can save you...
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作者： Janet Albers | 最后更新： 08/05/2015 | 评论： 0
Why should you use a Constant declaration in your CRBasic program? What is a Constant anyway? In a previous article ("Going Public with Your Variables in CRBasic"), we talked about the Public and Dim variable declarations. Variables are just that—variable; they change. Constants, on the other hand, don’t change;...
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作者： Janet Albers | 最后更新： 07/21/2015 | 评论： 0
Copying or transposing has become easier with OS 28 (CR6 OS 1). This new operating system enables you to copy portions of an array to a new location, such as when transposing rows and columns.
In this example we start with A(3,2) (3 rows, 2 columns) initialized as...
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作者： Janet Albers | 最后更新： 07/01/2015 | 评论： 0
You can perform more complex scaling in an array without needing a For/Next loop. To take advantage of this feature, use OS 28 (CR6 OS 01) or later.
In this example program, a unique set of multipliers and offsets is applied to the column of an...
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作者： Jacob Davis | 最后更新： 06/17/2015 | 评论： 3
Through programming, relatively slow SDI-12 measurements can coexist, without problems, alongside fast measurements. To illustrate the need for accommodations in your data logger program, I will share the story of the worst sunburn I ever got. Southern Peru is near the Pacific Ocean, yet is...
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作者： Janet Albers | 最后更新： 06/10/2015 | 评论： 0
Initializing variables within an array is more flexible than ever with OS 28 (CR6 OS 1). You can think of a single dimensioned array as numbers in a column. Two dimensions, in comparison, puts numbers in rows and columns. The third dimension is a page.
For example:...
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