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16
Signal frequency = instantaneous flow
• Pulse-pulse output, according to the "pulse factor" in the menu to calculate
the output pulse number
• H-AL=0-high alarm not generated
• L-AL=0-low alarm not generated
• H-AL=l-high alarm generation
• L-AL= 1- low alarm generation
• NO-current output is not valid
In the auxiliary interface, the output power is popular in the back of the value, in
the power supply mode, for the actual output of the current value; in the battery power
supply mode, the fixed display О (because this time no current output)
The main interface and auxiliary interface between the "+ /S" Ьу pressing the left
and the '</Е' right switch.
Click + and next page, press S to exit.
Right c\ick for < and flip, long press Е to enter and confirm.
In the auxiliary interface, Jong press' </Е 'the left key enter the password input
state. The user can through continuous press' +/S' button to select the input position
need to enter the password for the digital, according to' </Е 'key mobile input cursor
position. When two password \osers, long press the enter </Е and password on the
function corresponding to the set menu; under the state to enter а password, long
press' + /S' key return auxiliary interface to update the display value measurement.
5.5 Flow meter parameter setting menu
In menu, long press the '< / Е' key into the se\ected item to modify the parameters
of the state, if the parameter is а type of digital input, through '+/S' keys to input
numbers,' "/ Е 'keys to move the cursor input position, after the input long press' < / е'
key input validation transmitter automatic updates setting parameters and stored; if
the parameter is selected item type, the +/S or '< / Е' turn option se\ection for the long
press' < / Е 'key confirmation, transmitter automatic update setting parameters and
storage.
User menu
Enter the password "22" to enter the user menu, each menu function and
the parameters are as follows: ТаЬІе 1 user menu
*
1000 / full degree flow (Hz)
17
Nшnbe1·
Set instantaneous flow ш1іt, according to t!ie type of
Unit selectio11
flow algorithn1
The default is: mЗ/h
Volttme class: mЗ/!1; mЗ/m: 1/h; 1/m
Qualityclass: t/h: t/m;
Set flo1v algoritl1m, tl1e instrument according to tl1e algorithm to
Algorithm selection
Ву defat1lt:
Conventional volume flow
Standard gas volume flow
C011ventional gas mass flow (mt1st Ье set up in t!1e case density)
Saturated steam temperature compensation
Super!1eated steam tempe1·atш-e and pressure compensation
discl1arge coefficient
ТІ1е flow mete1· factor needed to calcu!ate the По,v rate.
The default is: 3600.0
ТІ1е unit is Р /mЗ (pulse / side ).
Fluid density
Set t!1e density of the Пuid, tl1e unit kg/mЗ (not a!lowed to set to
4
Т!1е default is: 1000.0
О) (t!,e quality of t11e algorithm requi1·ed tocalcl!late tl1e density
Ftt!I По,v
Sets the 20mA curre11t output corresponding to the
Т!1е default is: 1000.О
i11stantaneous flow rate (not a!lowed to set to О)
Cllt
The percentage of the total По,v rate of the discharge is set, and
Т!1е defalllt is: 0%
the flow rate is О, and t!1e 0lltput 4mA cш-rent is calcu!ated w!1en
the n,easured flow rate is lower t!1an t!1e percentage of t!1e total
Поw rate.
Upper limit alarm flow
Set the upper limit alarm По,v threshold, whe11 t!1e Поw rate is
Т!1е default is: 990.0
!1igher than this value, t!1en tl1e outpLІt alarm.
Units witl1 selected units.
Set the Io,ver limit alarm flow thres!юld, ,vhen t!1e flow rate
below t!1is vallle, then the output alarm.
The default is: 10.0
Units wit!1 selected units.
9
Default value is: 4 seconds
Correspondence address
Set the 4BSModbнs device address, ra11ge 0-254 Default value: О
10
The шmнlative amount of the total amollnt of О values,
11
cleared the password: 70"е: О
measL1re the instantaneous flow rate of compensation
Conventional volume flo,v (witl1 0 t1t gas-liqнid flo\v)
Conventional mass f1ow (must Ье set нр for \Yorkiпg conditions)
Saturated steaш pressure cornpeнsation
of this setting, the volнme of tl1e algorithm is нseless)
Valt1es for 2~32 seconds; for display and ClІrrent outpнt
smoott1iнg.
Clear tired measш· e meпt
Menu name
Miniшum
flow
6
в
Minirnшn alarm flow
Daшping time
5.6 Modbus communication
Three wire transmitter according to the Modbus RTU communication protocol
fast read keep the operation parameters of each register. Read the holding register
value of Modbus command directive No. З. Supports only 4800 and 9600 baud rate,
response time within 50ms; MODBUS continuous command minimum interval l00mS;
АЬІе 5 is the Modbus command in the various values of the offset address, data
format, etc.
Function desc1•iption
kg/!1: kg/m
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