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All FAQs (1882 total: showing 1481-1500)

Can two data loggers be connected over the RS-232 port, or do they need to use the COM ports to connect?
How often is the lithium battery voltage measured by the datalogger?
If a datalogger has not been used in a while and the internal battery is low, will the battery recharge if the datalogger is connected to a power supply? Or does the battery need to be replaced?
Is data lost when the datalogger battery runs out of power in the field or is disconnected, and a “table definitions out of date” error message appears upon powering up?
Which CRBasic instruction is used to activate the 7321 relay?
¿Puede el datalogger aceptar conexiones PakBus simultáneas en los distintos puertos de comunicaciones?
Can an RS-232 device be directly connected to the CS I/O port of a data logger?
How can the data logger be used to produce analog voltages?
What is the difference between the various bridge measurements?
What might cause clock issues?
What might cause a data logger to not store data at a particular time, such as midnight?
What might cause error messages such as “transaction failure” and “unreachable destination” when trying to connect a datalogger and a PC using a serial or USB to RS-232 cable?
How can variables be saved so that they are available for use after the data logger power has been removed and the data logger has been powered up again?
What is the minimum scan interval of the CR1000, CR800, CR850, or CR3000?
What is the operating voltage of the CR1000, CR800, and CR850?
Can a CR800/CR850 and CR1000/CR3000 be connected via a CS I/O port with a null modem cable?
What type of crossover cable is required to use Modbus over TCP/IP on a CR1000 or CR3000 with an NL120 or NL115?
How can a CR1000 or CR3000 interface with a Modbus/TCP device?
Can the CR800, CR850, CR1000 or CR3000 be used to log an RS-422 output directly, or is an extra unit needed?
Can Short Cut be used to make a CR1000 or CR3000 with an NL120 push data to an FTP?

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