TechnipFMC Smith Meter MPU 1600c, Installation, Operation & Maintenance Manual

Page: 117 / 120

Issue/Rev. 0.1 (11/18) ║ MNKS025 • Page 117
Parameter
Name
Menu Range Nominal Description
Meter Tag Communications Up to 16
characters
(factory set to electronics
serial number)
Unique tag name designated for this
meter; used for identification.
Max Velocity of
Sound
Limits 300 m/s
4000 m/s
Depends on meter type Alarm when measured velocity of
sound exceeds this value.
Min Velocity of
Sound
Limits 300 m/s
4000 m/s
Depends on meter type Alarm when measured velocity of
sound falls below this value.
Min Signals Used Limits 1 %
99 %
50% typ. Alarm when percentage of signals
used falls below this value.
Max RX Gain Limits -12 dB
48 dB
30 db typ. Alarm when receiver gain exceeds
this value.
Max RX Gain Dif-
ference
Limits 0 dB
64 dB
10 dB typ. Alarm when the gain on an individual
path differs more than this value
compared to the median gain.
Max VOS Devia-
tion
Limits 0 m/s
1000 m/S
Depends on meter type Alarm when the velocity of sound on
an individual path differs more than
this value compared to the median
velocity of sound.
Min Signal to
Noise Ratio
Limits 0 dB
60 dB
20 dB typ. Alarm when the used signal to noise
ratio falls below this value.
Max Turbulence
Level
Limits 0 %
50 %
20 % typ. Alarm when the turbulence level
exceeds this value.
Max Swirl/Cross-
flow Deviation
Limits 0%
70 %
10 % Alarm when the transversal flow
exceeds this value.
Max flow rate Limits 5 m/s
40 m/s
Depends on meter type Alarm when the flow velocity
exceeds this value.
Min flow rate Limits -40 m/s
-5 m/s
Depends on meter type Alarm when the flow velocity falls
below this value.
Max Profile Flat-
ness Deviation
Limits 0 %
50 %
20 % Alarm when the profile flatness
deviates this amount.
Max Profile Sym-
metry Devia-
tion
Limits 0 %
50 %
10 % Alarm when the profile symmetry
deviates this amount.
Manual (force)
Values
Modes -off
-on
-off Controls whether manual values are
allowed to be used.
Serial Port Func -
tion
Communications -none
-modbus RTU
-modbus ASCII
-modbus RTU Selects the serial port protocol.
Baud Rate Selec -
tion
Communications -1200
-2400
-4800
-9600
-19200
-38400
-57600
-115200
-9600 Select the serial port baud rate.
Parity Selection Communications -none
-odd
-even
-none Select the serial port parity.
MPU Series C I/O/M Manual Appendix A – Description of Legally Relevant Parameters