Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for ISOMAG ML 252
Summary of Contents for ISOMAG ML 252
- Page 1 OPERATING AND INSTALLATION MANUAL CONVERTER ML 252...
-
Page 2: Table Of Contents
INDEX Introduction _______________________________________________________________________________________pag.3 Symbols Used on the manual ____________________________________________________________________pag.3 § Overall dimensions _____________________________________________________________________________pag.4 § Technical characteristics of converter ______________________________________________________________pag.5 Electrical characteristics_________________________________________________________________________pag.5 § Environmental conditions of use__________________________________________________________________pag.5 § Operative temperature __________________________________________________________________________pag.5 § Measure and consumption ______________________________________________________________________pag.6 § Electrical connections ______________________________________________________________________________pag.7 Output on/off 50Hz _____________________________________________________________________________pag.7 §... -
Page 3: Introduction
INTRODUCTION This manual is integral part of the product. Read carefully the instructions contained it since it contains important indications for a safe of use and maintenance. Technic al information and relative products in this manual could undergo modifications without any previous notice. The flow meter must be used for what it has been built for. -
Page 4: Overall Dimensions
OVERALL DIMENSIONS 252_EN_IS_1_3_00.doc... -
Page 5: Technical Characteristics Of Converter
TECHNICAL CHARACTERISTICS ELECTRIC CHARACTERISTICS Classification of the instrument: class I, IP 67, category of installation II Power supply Power supply Power supply version voltage frequency power Current LITIUM 3,6 V – 16,5 A/h BATTERY INPUT/OUTPUT ISOLATION Input/output are insulated up to 500V Port RS 232 NON is not insulated ENVIRONMENTAL CONDITIONS OF USE The instrument can be installed inside or outside buildings... - Page 6 MEASURE/ CONSUMPTIONS The converter can be used in two different modes: with continuous sampling with sampling to preset unit of time. qCONTINUOUS SAMPLING (pic.1) (ENERGY SAVING OFF) In this mode the converter make the measure in accordance with the classical diagram of the flow meter;...
-
Page 7: Electrical Connections
ELECTRICAL CONNECTIONS 4 poles : OUT ON/OFF 6 poles A ( ORANGE ) : external power supply OUT 1 = Yellow ( terminal C ) 8-35 VDC OUT 2 = Pink ( terminal D ) B ( GREEN ) : GROUND C ( BROWN ) : RS232 –... - Page 8 INSTRUMENT START UP AND MAINTENANCE Before to close the converter verify the following: Sealing surfaces mast be clean Tighten the screw in cross mode up to about 12/13 Nm Repeat the t ightening operations after 2/3 minutes Clean surfaces Tighten in cross mode Before to switch on the instrument verify the following: Power supply voltage must correspond to that specified in the name plate Electric connections must be done as described at page 8-10...
-
Page 9: Batteries Power Supply
INSTRUMENT START UP Batteries Power Supply batteries pack SWITCH-ON DEVICE Switch battery 2 Switch battery 1 ON/OFF SWITCH 1-2 Batteries quantity : N° 1 standard ( + N° 1 optional ) 252_EN_IS_1_3_00.doc... -
Page 10: User Interface
USER INTERFACE ML252 is available only in blind version, therefore the only way to view and set the functions of instrument it’s the serial interface IF22 FACTORY PRESETTINGS ACCESS CODE Some functions in the converter are enabled by the access The converter is delivered with access code L2: codes. - Page 11 Alarm ON * Direct Reverse totalizer Flow rate visualization Push to change visualisation Flow rate and direct reverse totalizer visualization Push to change visualisation Alternate pages Speed of fluid Push for alrms visualization Data and time Alarm description * The maximum number shown from the totalizer is 999999999 independently from the number of selected decimals.
- Page 12 FLAG AND LED INTERPRETATION FLAGS FLAGS INTERPRETATION F L A G DESCRIPTION Alarm max activated Alarm min activated - Interruption coils circuit - Segnal error - Empty pipe Calibration running Poor power batteries CONVERTER LED INTERPRETATION Always switch off: not power supply or trouble circuit Always switch on: firmware not valid Continuos quickly flash: normal operation in continuoe sampling mode Slowly flash (2 time each second) : empty pipe condition...
- Page 13 ACCESS TO THE INSTRUMENT SHORT PRESSING (< 1 SECOND): It increases the numeric figure or the parameter selected by the cursor It goes to the previous subject on the menu batch start/stop (when enabled) LONG PRESSING (> 1 SECOND): It decreases the numeric figure or the parameter selected by the cursor It goes to the next subject on the menu Visualizes the remaining charge of the batteries SHORT PRESSING (<...
- Page 14 ML252 Functions (for detail functions with symbol “*”see the manual from page 19) Attention: The function in grey colour are visualized on display only with other active functions or with optional modules 1 . 1 Insert ND of sensor ( 0-3000 ) Calibration data of sensor visualized on sensor’s label Sensors model: Enter the first two characters of the serial number of the sensor Position for insertion sensors: 0=1/8DN, 1=1/2DN, 2=7/8DN...
- Page 15 6 . 1 * Output 1 functions 6 . 2 * Output 2 functions 7 . 1 Choice of the communication protocol for the IF2 device 7 . 2 Address value of converter (range 0 – 255) 7 . 3 Speed of the RS232 output (possible choices: 2400, 9600, 19200, 38400 bps) 7 .
- Page 16 10.1* Enable the calibration of the converter 10.2* Converter auto-test 10.3* Flow rate simulation enabling 10.4* Stand-by function 1 1 . 1 Level 2 access code enter 1 1 . 3 Load factory data pre -set 1 1 . 4 Load user data saved 1 1 .
-
Page 17: Access Codes
ACCESS TO THE CONFIGURATION MENUES The access to the configuration menu can take place in two different modes: Through the “Quick start menu” where is possible to access directly to some of the principal functions Through the “Main menu” where is possible to access to all function with access code ≤... - Page 18 EXAMPLE: modifying the full scale value from 4dm³/s to 5dm³/s. from “Main Menu” (quick start menu enable) Enter in the “Quick start menu” X 3 TIMES Access to the “Main Menu” X 5 TIMES Access to the function “Fs1” Push Access to the “Scale”...
-
Page 19: Functions Description
FUNCTIONS DESCRIPTION (description of the functions with access code< 3) Identification of the function (not visualized on display) MENU 1.SENSOR (POS. 1) Nominal diameter of sensor [ND= XXXX] Converter request Menu visualized on the converter ( from 1 to 11) Synthetic description of the function MENU 1.SENSOR (POS. - Page 20 Available units of mass and volume Cubic inch Cubic centimetre Ounce American gallon Millilitre Pound British gallon Litre short tons Cubic foot Cubic decimetre Standard barrel Decalitre Oil barrel Gram Hectolitre Cubic yard Kilogram Cubic metre KAmerican gallon KBritish gallon When a mass unit of measure is set, the specific gravity function is automatically enabled by the system.
- Page 21 again. Allowed values for this parameter: ON / OFF. N.B.: the autorange doesn’t allow using the manual change of range (see pos. 5.8) (POS. 3.5) Energy saving enable [E.SAVING=ON/OFF] Enable automatic energy saving function. This function IF ON, ENABLES THE OPERATION OF THE METER IN ACCORDANCE WITH INTERVALS OF FIXED TIME WITH THE FOLLOWING FUNCTION;...
- Page 22 MENU 9.DATA LOGGER (POS. 9.1) Automatic data logging enable [ACQUISITION =ON/OFF] Enable data logging; 8192 values in packets with flow rate, partial volumes + and - , input 4/20mA or pressure, date and time of record. (POS. 9.2) Data logging time interval set [INTERV.(h)=X] Sampling time interval for the data logging function and their printing.
- Page 23 MENU 11.INTERNAL DATA (POS. 11.1) Level 2 access code set [L2 KEYCODE=XXXXX] Level 2 access code enter. This code is programmable by the user within the range 00001 - 65535. Setting such a value at 22222 the access code for levels lower than level 3 is disabled. (see pag.
-
Page 24: Causes And Action To Be Taken
Alarm message, causes and action to be taken Messagge Cause Action NO ALARMS All works regularly ----- The flow rate is higher than the maximum threshold set Check the maximum flow rate threshold set and MAX ALARM the process conditions The flow rate is lower than the minimum threshold set Check the minimum flow rate threshold set and MIN ALARM... - Page 25 BATTERY SUBSTITUTION Pic. 1 FIXING SCREW OF BATTERY GROUP Pic. 2 BATTERY CONNECTORS - verify the absence of power supply - set in stand-by the instrument ( menu 10 ) - extracts the battery group unscrewing the fixing screw suitable in Pic. 1 - unthread the battery connector - insert the battery connector as suitable in P ic.
- Page 26 252_EN_IS_1_3_00.doc...
- Page 27 252_EN_IS_1_3_00.doc...
- Page 28 252_EN_IS_1_3_00.doc The last three character of file name , identify the sw version , which the manual is refer . the sw version is visualized during switch on of converter...
Need help?
Do you have a question about the ML 252 and is the answer not in the manual?
Questions and answers