modem/terminal
Any device that has the following: ability to raise the ring line or be used with an optically
isolated interface to raise the ring line and put the data logger in the communications
command state, or an asynchronous serial communications port that can be configured to
communicate with the data logger.
modulo divide
A math operation. Result equals the remainder after a division.
MQTT
An open communications protocol for the Internet of Things (IoT). MQTT is not an acronym,
it is simply the name of the protocol. Source: https://www.hivemq.com/blog/mqtt-
essentials-part-1-introducing-mqtt/
MSB
Most significant bit (the leading bit).
multimeter
An inexpensive and readily available device useful in troubleshooting data acquisition
system faults.
multiplier
A term, often a parameter in a CRBasic measurement instruction, that designates the slope
(aka, scaling factor or gain) in a linear function. For example, when converting °C to °F, the
equation is °F = °C*1.8 + 32. The factor 1.8 is the multiplier.
mV
The SI abbreviation for millivolts.
Appendix C. Glossary277
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