Glossary (cont.)
Analog Circuit– An electronic circuit that operates with currents and voltages that vary continu-
ously with time and have no abrupt transitions between levels. Temperatures, pressures, or flow
rates are all represented by analog circuits.
Digital Circuit– An electronic circuit that functions as though currents or voltages exist only at
one of a set of discrete levels, all transitions between levels being ignored. The states of a digital
circuit are often referred to as on or off, high or low.
VSNS- This is screw terminal # 7 on the IO Slave. This is an output used to power sensors/
transmitters. The maximum output voltage of this terminal is 20VDC for the FGRIO-S and
30VDC for the FGR2-IOS-C-U and FGR2-IOS-CE-U
http://www.RSPSupply.com/p-20028-FreeWave-FGR2-IO-IOE-Radio-Enclosed-900-MHz-I/O-Slave-Radio.aspx
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