Figure 3 Functional Block Diagram For Transmitter In Digital De Mode Of Operation - Honeywell SMV 3000 User Manual

1.3 SMV 3000 Smart Multivariable Transmitters,
SMV Operating
In the digital DE protocol format, all four process variables are available
Modes, continued
for monitoring and control purposes; and the meter body temperature is
also available as a secondary variable for monitoring purposes only - See
Figure 3.
Figure 3 Functional Block Diagram for Transmitter in Digital DE Mode of Operation.
Meter Body
P Sensor
PV1
Temperature
Sensor
SV1
Static Pressure
Sensor
PV2
Pressure
Transmitter
adjustments
1/99
Factory
Characterization
Data
PROM
A/D Microprocessor
A/D
PV3
RTD or
Thermocouple
Input
The SMV 3000 transmitter has no physical adjustments. You need an SCT
to make any adjustments in an SMV 3000 transmitter. Alternately, certain
adjustments can be made through the Universal Station if the transmitter is
digitally integrated with our TPS/TDC 3000 control system.
SMV 3000 Transmitter User's Manual
Electronics Housing
PV4
Digital I/O
PV1 = Differential Pressure
PV2 = Static Pressure
PV3 = Process Temperature
PV4 = Calculated Volumetric
SV1 = Meter Body Temperature
Continued
Digital signal broadcasts
up to 4 PVs plus
secondary variable in
floating point format over
20mA loop.
or Mass Flow
(Monitoring purposes only)
5