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Overview
The SC-CPI is an interface between the serial port of later-model Campbell Scientific dataloggers (CR800/850, CR1000, and CR3000) and our new Campbell distributed modules (CDMs). The CDMs use the new CAN peripheral interface (CPI), and the SC-CPI allows the dataloggers listed above to connect to the CDM's CPI port.
An SC-CPI is required to connect Campbell Distributed Modules (CDMs), such as the CDM-A116, to a CR800, CR850, CR1000, or CR3000 datalogger. The SC-CPI is not required for, or supported by, dataloggers with a native CPI interface. Campbell Scientific strongly recommends that CDMs be connected to dataloggers with a native CPI interface, such as the CR6.
Benefits and Features
- Enables a CR800, CR850 CR1000, or CR3000 to be part of a CPI/CDM network
- Provides detailed CPI communication diagnostics
- Supports monitoring of the serial or CPI load
- Indicates if CPI frame errors occur
- Provides information about each CPI module that it detects in its network
SC-CPI operation is discussed as part of the instruction manual for the CDM-VW300 Series Dynamic Vibrating Wire Analyzers. This manual is also listed in the Documents section of this page.
Images
Specifications
| Temperature Range |
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| Current Drain | 50 mA (active) |
| Dimensions | 15.94 x 7.49 x 3.18 cm (6.28 x 2.95 x 1.25 in.) including ground lug |
| Weight | 0.188 kg (0.415 lb) |
Connectors |
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| CPI | RJ45 |
| Serial Connect to Data Logger | Screw terminal |
| Computer Configuration via Device Configuration Utility | USB |
Compatibility
Please note: The following shows notable compatibility information. It is not a comprehensive list of all compatible products.
Dataloggers
| Product | Compatible | Note |
|---|---|---|
| CR1000 (retired) | ||
| CR200X (retired) | ||
| CR211X (retired) | ||
| CR216X (retired) | ||
| CR3000 (retired) | ||
| CR800 (retired) | ||
| CR850 (retired) | ||
| CR850 (retired) | ||
| CR9000X (retired) |
Additional Compatibility Information
Data Logger Considerations
A 5-conductor cable connects the data logger to the SC-CPI, and an Ethernet cable connects the SC-CPI to the CDM.
The data logger operating system must be version OS 26.
Documents
Technical Papers
Downloads
SC-CPI OS v.04 (477 KB) 10-10-2016
Execution of this download installs the SC-CPI Operating System on your computer for upload to the SC-CPI device with Device Configuration Utility.
Note: The SC-CPI OS V.02 or greater is required to use the CDM-VW300/305 with the CR3000/1000/800 datalogger that is using OS 28 or higher. The CDM-VW300/305 Operating System will also need to be upgraded to CDM-VW300/305 OS V.02. If using a CR3000/1000/800 datalogger with an older OS, an operating system upgrade to the datalogger will be required.
Frequently Asked Questions
Number of FAQs related to SC-CPI: 2
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To communicate with CDM devices using the CPI protocol, the CR3000, CR1000, CR850, and CR800 dataloggers require an SC-CPI device. Only one SC-CPI device per data logger is required. It is expected that the design of future Campbell Scientific data logger products will work with CPI-based modules directly.
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The communications protocol used by CDM devices is the CAN Peripheral Interface (CPI), which includes methods that are proprietary to Campbell Scientific.
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