FloBoss 107 Instruction Manual 
Revised June-2017  Glossary  A-5 
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Local Display Panel, a display-only device that plugs into ROC300-Series units (via a 
parallel interface cable) used to access information stored in the ROC. 
The point number the ROC and ROC Plus protocols use for I/O point types are based 
on a physical input or output with a terminal location; the point numbers for all other 
point types are “logical” and are simply numbered in sequence.  
Local Operator Interface (or Local Port). Refers to the serial EAI-232 (RS-232) port on 
the ROC through which local communications are established, typically for 
configuration software running on a PC. 
Lightning Protection Module; a device that provides lightning and power surge 
protection for ROCs. 
Longitudinal Redundancy Checking error checking. 
Milliamp(s); one thousandth of an ampere. 
Media Access Control Address; a hardware address that uniquely identifies each node 
of a network.  
For a ROC, indicates that the I/O scanning has been disabled.  
A popular device communications protocol developed by Gould-Modicon. 
Million British Thermal Units. 
Millisecond, or 0.001 second. 
Multi-Variable Sensor. A device that provides differential pressure, static pressure, and 
temperature inputs to a ROC for orifice flow calculations.   
Millivolts, or 0.001 volt. 
Milliwatts, or 0.001 watt. 
Network Access Point; the point in the distributed RTU network at which ROCLINK 800  
National Electrical Code. 
National Electrical Manufacturer’s Association. See http://www.nema.org.