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1/99 SMV 3000 Transmitter User’s Manual 155
A.3 Data Exchange Functions, Continued
About Number Of PVs
The number of PVs that a given SMV 3000 transmitter supports is
determined upon its database configuration. Using the SCT 3000, SFC or
through the universal station, the SMV can be configured to select (or turn
ON) any number of PVs for broadcast to the IOP. The PV1 input is
always selected for broadcast but you can configure it to also include
secondary variable data. You can select PV2, PV3, and PV4 for broadcast
(by turning them ON or OFF) as applicable for the given measurement
application. Table A-1 shows what PVs represent in the SMV 3000
transmitter. See PV Type in subsection 6.5 for details in selecting PVs for
broadcast using the SCT 3000.
See DE_CONF parameter in subsection A.5 and DE_CONF Changes in
subsection A.6 for more information on selecting PVs using the universal
station.
Table A-1 Summary of SMV 3000 Transmitter PVs Configuration
SMV PV Number Value represented
PV1 (DP) Differential pressure input.
PV1 (DP) w/SV1 (M.B.Temp) Differential pressure input and
separate secondary variable (meter
body temperature).
PV2 (SP) Static pressure input (May be GP or
AP depending upon transmitter type.)
PV3 (TEMP) Process temperature input
PV4 (FLOW) Calculated rate of flow
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