Watts AERCO Benchmark BMK5000 Operation And Service Manual page 8

Benchmark Platinum-Edge [ii]: Operation-Service Manual
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AERCO Technical Terminology Meanings
TERMINOLOGY
PMC Board
P/N
POC
PPM
PSI
PTP
P&T
ProtoNode
PVC
PWM
REF (Ref)
RES.
RS232
(or EIA-232)
RS485
(or EIA-485)
RTN (Rtn)
SETPT (Setpt)
SHLD (Shld)
SPDT
SSOV
TEMP (Temp)
Terminating Resistor
Tip-N-Tell
UL
VAC
VDC
VFD
VPS
W
W.C.
µA
OMM-0137_J •
12/20/2022
Primary Micro-Controller (PMC) board, contained in the Edge
Part Number
Proof of Closure
Parts per Million
Pounds per Square Inch (1 PSI = 6.89 kPa)
Point-to-Point (usually over RS232 networks)
Pressure and Temperature
Hardware interface between BAS and a boiler or water heater
Poly Vinyl Chloride, a common synthetic plastic
Pulse Width Modulation
Reference
Resistive
A standard for serial, full-duplex (FDX) transmission of data based on
the RS232 Standard
A standard for serial, half-duplex (HDX) transmission of data based
on the RS485 Standard
Return
Setpoint Temperature
Shield
Single Pole Double Throw, a type of switch
Safety Shut Off Valve
Temperature
A resistor placed at each end of a daisy-chain or multi-drop network
in order to prevent reflections that may cause invalid data in the
communication
A device that indicates if a package was tipped during shipping
A business that tests and validates products
Volts, Alternating Current
Volts, Direct Current
Variable Frequency Drive
Valve Proving System
Watt
Water Column, a unit of pressure (1 W.C. = 249 Pa)
th
Micro amp (1 million of an ampere)
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MEANING
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