Measurement and Control Peripherals / Synchronous Devices for Measurement (SDMs)
Synchronous Devices for Measurement (SDMs)

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Frequently Asked Questions

Number of FAQs related to Synchronous Devices for Measurement (SDMs): 4

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  1. With some SDM devices, the address can be changed quickly and easily while the SDM device is powered. However, it is good practice to always power down the SDM device before changing the address.

  2. Yes, however, the SDM bit period (baud rate) will have to be reduced. This may have ramifications on data collected by other SDM sensors connected to the SDM bus. Contact Campbell Scientific for assistance.

  3. Yes. A datalogger can address up to 15 SDM addresses (0 through 14). (SDM address 15 is reserved for the SDM Group Trigger Command.) Remember that SDM is a serial communications protocol; as more devices are added to the SDM bus, it takes more program execution time to transmit the data.

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