Honeywell SMV800 - Page 156

Page 144 SMV800 Modbus User's Guide Revision 1.0
been below the lower stress
limit.
MBT Up Time
Stamp
272
Displays time elapsed since
the Meter Body Temperature
last measured as exceeding
the MBT upper stress limit.
RO
uint32
N/A
MBT Down
Time Stamp
274
Displays time elapsed since
the Meter Body Temperature
was last measured below the
MBT lower stress limit.
RO
uint32
N/A
Reserve
276
NA
Transmitter
Install Date
278
One time writable installation
date for the SMV Modbus
Transmitter.
R/W
uint32
N/A
MBT Time in
Service
280
Percent of the expected
Service Life that the
Pressure Module has been
in service. Value is based on
electronics temperature.
Service life accumulates
faster at higher temperatures
with an exponential
relationship.
RO
uint32
N/A
Flow Type
285
Shows the current Flow
Output type.
When it is No Flow Output
type, Flow Rate output
will be 0. Flow Calculation
details status will be
active until the device is
power cycled.
R/W
uint8
(Byte 0 :-> Bit 0 to 3 )
0 = No Flow Output
1 = Ideal Gas Actual
Volume Flow
2 = Ideal Gas Mass Flow
3 = Superheated Steam
Mass Flow
4 = Liquid Mass Flow
5 = Ideal Gas Volume
Flow @ Std Condition
6 = Liquid Actual Volume
Flow
7 = Liquid Volume Flow @
Std Condition
8 = Laminar Mass Flow
9 = Laminar Actual
Volume Flow
10 = Laminar Volume
Flow @ Std Condition
11-15 = Reserved
Legacy
Control:
Shows currently selected
legacy Control. This is user
configurable parameter.
(Byte 0 :-> Bit 4 to 5)
0 = SMV800 Method
1 = SMV300 Method
2-3 = Reserved