>> Ultrasonic Flow meter User Manual
module, to be connected to it.
Display analog inputs, AI5, current value and its corresponding temperature or pressure
or liquid level value.
Pulse width setup for the OCT (OCT1) output. Minimum is 6 mS, maximum is 1000 mS
Select analog output (4-20mA current loop, or CL) mode. Available options:
(0) 4-20mA output mode (setup the output range from 4-20mA)
(1) 0-20mA output mode (setup the output range from 0-20mA, This mode can only be
used with Version-15 flow meter)
(2) RS232 Serial port controls 0-20mA
(3) 4-20mA corresponding fluid sound speed
(4) 20-4-20mA mode
(5) 0-4-20mA mode (can only be used with Version-15 flow meter)
(6)20-0-20mA mode(can only be used with Version-15 flow meter)
(7) 4-20mA corresponding flow velocity
(8)4-20mA corresponding heat flow rate
4mA or 0mA output value,
Set the value which corresponds to 4mA or 0mA output current (4mA or 0mA is
determined by the setting in M55)
20mA output value,
Set the value which corresponds to 20mA output current
Current loop verification
Check if the current loop is calibrated correctly.
Display the present output of current loop circuit.
Setup system date and time. Press ENT for modification. Use the dot key to skip the
digits that need no modification.
Display Version information and Electronic Serial Number (ESN) that is unique for each
flow meter.
The users may employ the ESN for instrumentation management
RS-232/RS485 setup. All the devices connected with flow meter should have matched
serial configuration.
The following parameters can be configured: Baud rate (300 to 19200 bps), parity, data
bits (always is 8), stop bits (1).
Select communication protocol.
Factory default is ‘MODBUS ASCII. this is a mode for MODBUS-ASCII, Meter-BUS,
Fuji Extended Protocol, Huizhong’s various protocols.
If you are going using MODBUS-RTU you have to select ‘MODBUS_RTU’.
AI3 value range.
Used to enter temperature/pressure values that are corresponding to 4mA and 20mA
input current. The display values have no unit, so that they can present any physical
parameter.
AI4 value range.
Used to enter temperature/pressure values that are corresponding to 4mA and 20mA
input current.
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