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STAC2

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5.5.2 MODBUS RTU (RS485)

The RS485 connection allows the analyzer to communicate with MODBUS protocol on a RS485
bus.

5.5.2.1 Pins connection details

N° pin DB9 connector

Color

Designation

Signification

Black

GND

Ground

Orange

RS485_A

MODBUS A signal

Brown

RS485_B

MODBUS B signal

Red

12VDC / 0.5A(max)

Optional 12VDC output

Fig. 10 RTU MODBUS RS485 port pinout

5.5.3 DATA SIZE

1 START BIT - 8 S BITS - 1 STOP BIT - NO PARITY
Comply with MODBUS RTU protocol definition

5.5.4 DATA TRANSMISSION RATE

Bi-directional 9600 Baud.

IMPORTANT:
The distance between the STAC2 and the computer using the RS485 output must be lower than
30 meters.
Otherwise use on line amplifiers.
The standard RS485 is compatible with MODBUS protocol only !

Fig. 11 Connection points of different cases

Содержание Secomam STAC2

Страница 1: ...USER MANUAL version 1 03 ON LINE ANALYZER ...

Страница 2: ...STAC2 2 INSTALLATION USER S MANUAL ...

Страница 3: ...OW POT 21 5 4 5 RINSING SOLUTION 22 5 4 6 BLANK SOLUTION 22 5 4 6 1 Some definitions 22 5 4 6 2 The blank solution 23 5 5 ELECTRICAL CONNECTIONS 24 5 5 1 OVERVIEW 24 5 5 2 MODBUS RTU RS485 25 5 5 2 1 Pins connection details 25 5 5 3 DATA SIZE 25 5 5 4 DATA TRANSMISSION RATE 25 5 5 5 POWER SUPPLY 26 6 CONNECTIVITY SETUP 28 6 1 CONNECTION SETUP 28 6 1 1 WIRE ETHERNET SETTINGS 28 6 1 1 1 Direct conne...

Страница 4: ...7 CHANNELS CONFIGURATION PAGE 50 9 7 1 BLANK SETTINGS 51 9 7 2 RINSE SETTINGS 52 9 7 3 CHEMICAL ANALYTIC PARAMETERS SETTINGS 53 9 8 CONTROL PAGE 55 9 8 1 FLUIDIC HARDWARE CONTROL 55 9 8 2 OPTICAL MEASUREMENT HARDWARE CONTROL 55 9 8 3 FILES MANAGER 57 9 9 STAC2 S RESULTS ACCESS 58 10 START UP PROCEDURE 60 Measurement cycle process organigram 63 11 STAND BY STORAGE PROCEDURE 64 12 MAINTENANCE 66 12 ...

Страница 5: ...STAC2 5 ...

Страница 6: ...session of this document does not confer any license to such patents The following names are AQUALABO s registered trademarks throughout the world SECOMAM STAC2 This manual is updated periodically The updates are included in the new editions All information supplied in this edition of the manual may be amended before the products described herein are available All reproduction rights reserved ...

Страница 7: ...STAC2 7 ...

Страница 8: ...reakdown due to the transporting of the equipment in packaging which is not its original packaging The lamps the cells and generally any item which appears in the accessories section on the price list Our customers are kindly asked to apply for our consent before returning any instrument for repair No return of materials may be accepted without the prior written consent of our Servicing after Sale...

Страница 9: ...the software cannot be guaranteed exempt from defects or bugs TRADE SECRET AND PROPERTY RIGHTS This document is protected by an AQUALABO copyright c 2019 and the copying rights are explicitly reserved The software supplied with the equipment or referenced contains trade secrets and confidential information which are AQUALABO s property It is legally protected by the international copyright c laws ...

Страница 10: ...dition of the packaging and if you notice any problems notify your carrier within 48 hours Then consult the packing list and check that everything is in order Finally if you discover that something is missing or if the goods are damaged immediately notify AQUALABO IMPORTANT In order to benefit from AQUALABO s service application notes AQUALABO information technical assistance etc immediately compl...

Страница 11: ...STAC2 11 ...

Страница 12: ...lamp used in this unit emits UV radiation and must be never touched or dismounted outside expert people Install the instrument in a ventilated area because of ambient temperature limits see details for a correct measurement working All operations made inside the instrument must be done by AQUALABO or by AQUALABO s authorized technicians Use of the spectrophotometer without danger If it is necessar...

Страница 13: ...STAC2 13 ...

Страница 14: ......

Страница 15: ...r temperature room must be between 10 C and 40 C 5 2 ANALYZER DESCRIPTION The basic version of the STAC is made for one sample measurement It is constituted with one case and have to be installed on a vertical wall with dedicated fixation parts 5 2 1 COMPLETE SIZE OF THE ANALYZER Fig 1 Complete size of the analyzer Place needed Around 1 meter between the bottom of the analyzer and the floor 0 3 me...

Страница 16: ... 2 1 Sizes Fig 2 Front Rear case Height 500 mm Width 400 mm Deep 265 mm Fixation 535mm x 375mm Weight 25 kg 5 2 2 2 Connections view Fig 3 Left electrical connections Fig 4 Bottom fluid inputs Fig 5 Top fluid output Air pressure port ...

Страница 17: ...tion Fig 6 External view of the flowing components The flowing parts includes One channel for rinsing solution One channel for blank distilled or demineralized water From 1 up to 4 programmable channels for samples From 3 up to 6 pinch electro valves to control the liquids A peristaltic pump A dilution loop 6x fluid channel inputs 6x pinch valves Peristaltic pump Dilution loop Flow cell 1x fluid c...

Страница 18: ...nd dedicated electronics optics Flow cell 2 5 or 50 mm optical path following the concentration to measure Only expert AQUALABO service people are allowed to access internal monochromator system Any customer dommages or access inside this area will automatically avoid warranty Measurement system protection cover Optical light passing through Flow cell Flow cell ...

Страница 19: ... inlet Tube coming from electro valve labeled S3 is going to sample 3 inlet Tube coming from electro valve labeled S4 is going to sample 4 inlet Clean air pressure optional port allow customer to inject pressured air to avoid any contamination from outside in case of hard environment use Clean air means air without any dust humidity and oil vapor from outside air compressor Maximum allowed air pre...

Страница 20: ... it must be cooled or warmed to avoid the condensation on the measure flow through cuvette Minimum temperature 10 C Maximum temperature 40 C NOTE 2 With the installed tubes it is advised against passing samples containing concentrated solvents oils concentrated acids and concentrated NaOH 5 4 3 TAKING SAMPLE CONSTRAINTS The peristaltic pump can bring a sample from a distance of 5 meters maximum an...

Страница 21: ...ircuit N B DO NOT FORGET TO INSTALL A DRAIN GUTTER TO CARRY THE SAMPLES AND DRAIN TO THE SEWER MADE BY THE USER The user has to install the sample inlet equipped with stopping valve The user has to install the drain gutter 5 4 4 OVERFLOW POT The silicone tube coming from the electro valve EV1 is connected to the outlet of overflow can Fig 8 Example of overflow pot ...

Страница 22: ...en chloride and so on The consumption of rinsing solution depends on two things the frequency of rinsing the tube length of rinsing solution aspiration Example the frequency of rinsing 10 every 10 main measurement sample 5 4 6 BLANK SOLUTION 5 4 6 1 Some definitions High purity water Indicate the water which almost does not contain dissolved substances Distilled water Indicate the water which is e...

Страница 23: ...he quality of demineralized water realize its spectrum against the air The spectrum shape must be as the following one The STAC2 uses also blank to do the dilution The consumption of blank solution depends on various things the dilution factor the frequency of blank measure multiple of main cycle process the main sample measurement cycle duration the blank aspiration duration Example of consumptio...

Страница 24: ... Fig 9 General connection drawing 24VDC 3A 0 5VDC Power supply cable MODBUS RS485 cable Ethernet RJ45 cable USB B connector for USB key ONLY RTU MODBUS RS485 RJ45 Ethernet port TCP IP MODBUS USB port for USB key mass storage only 24VDC 3A power supply ...

Страница 25: ...al 6 Red 12VDC 0 5A max Optional 12VDC output Fig 10 RTU MODBUS RS485 port pinout 5 5 3 DATA SIZE 1 START BIT 8 S BITS 1 STOP BIT NO PARITY Comply with MODBUS RTU protocol definition 5 5 4 DATA TRANSMISSION RATE Bi directional 9600 Baud IMPORTANT The distance between the STAC2 and the computer using the RS485 output must be lower than 30 meters Otherwise use on line amplifiers The standard RS485 i...

Страница 26: ...ply pinout MADE BY THE USER Install a plug near the analyzer If possible install an ON OFF external switch closed to the analyzer If this analyzer must working inside a very strong humidity environment it is recommended to install it inside an IP54 case In case of large fluctuations in AC voltage Fluctuation above 10 of nominal voltage it is advised to connect a voltage regulator or an undulator 2...

Страница 27: ......

Страница 28: ...r directly on a computer During instrument startup a DHCP negotiation is engaged to setup the STAC2 in the current network If the DHCP process succeed an automatic IP is given by the network DHCP service otherwise the default 192 168 200 200 IP address is managed by the STAC2 if the user has not changed it in settings 6 1 1 1 Direct connection with computer In the case of direct wire connection to...

Страница 29: ... WIFI connection allow user to connect the STAC2 in a network without wire requirement except if MODBUS TCP IP function is needed in this case a Wire connection is required see MODBUS chapter The STAC2 is able to connect itself automatically to two identified WIFI only A user defined WIFI and a rescue one A WIFI identification is made of two parameters SSID Password The STAC2 try to connect every ...

Страница 30: ...following SSID and Password SSID STAC2_rescue Password STAC2_help When it s done and if the STAC2 is not already connected to a WIFI connection the connection to the opened hotspot will be automatic after minimum 1 minute Once connection is established the SmartPhone or Tablet will show or can display you the STAC2 attributed IP you will have to use to access the STAC2 Web Page interface in a Web ...

Страница 31: ......

Страница 32: ...rnet STAC2 port see 9 6 3 chapter for IP setting MODBUS RTU able an external system to communicate with STAC2 through the SubD9 port see 5 5 2 for electrical and protocol definition STAC2 MODBUS definition comply with normalised MODBUS function definition Function 03 Read Holding Registers Function 06 Write Single Register Function 16 Write Multiple Registers STAC2 Ethernet port ...

Страница 33: ...r see register mapping bellow and change is applied immediately Note MODBUS TCP IP is not implementing a Slave address as IP itself is enough to control multiple peripherals on Ethernet port 1502 7 3 MODBUS REGISTER S MAPPING STAC2 include internal documentation you can access through the Files Manager page of Web Interface Software Open the STAC2_MODBUS_MAPPING pdf file documentation to have a fu...

Страница 34: ...ess measurement is running or stopped RINSING Green light showing the Rinse action is operate Rinse solution is sucked BLANKING Green light showing the Blanking action is operate Blank solution is sucked SAMPLING Green light showing the Sampling action is operate Sample solution is sucked MEASURING Green light showing the Measurement process is operate Spectra of the liquid inside flow cell is mea...

Страница 35: ... error code related to the UNCRITICAL or CRITICAL one In this case try to solve the problem if you know it or contact AQUALABO s servicing department for support in analysing and solving problems 8 3 ERROR CODE DEFINITION 1 Hardware server error 2 not used 3 Measurement spectra saturation detected 4 Communication with measurement system failure 5 Communication with I O control failure 6 Recording ...

Страница 36: ... connected to the STAC2 For different technical compatibility aspect we highly recommend to use Google Chrome browser 9 1 STARTING You must know the STAC2 IP to connect it In the Web Browser enter the exact IP in place of Web Page address If IP address is correct user will access to the DASHBOARD main page This main page display last measurement results graphically and table in addition to an even...

Страница 37: ...re IPs D for measurement and events data informations If one of these letters are surrounded with symbol this mean the channel communication is closed or broken for any reason Conf represent a communication channel state between the STAC2 and WebBrowser to manage its configuration STAC2 configuration able user to adapt STAC2 functions to user needs If Conf text is surrounded with symbol this mean ...

Страница 38: ... of the STAC2 system State display the state of measurement cycle Two state available Stopped The measurement process cycle is stopped and STAC2 can be configured fully Running The measurement process is running STAC2 configuration is blocked Measurement data are accessible for exploration Cycle X X display the cycle number currently running and how many cycle the STAC2 process must run If the max...

Страница 39: ...ple Asp Measurement Waiting next cycle Error display the current error if occurred Display 0 if no error List of error code 0 no error 1 Hardware server error 3 Spectra measurement saturation 4 Optical measurement system error 5 Input Output system error 6 Data saving process error 7 Data loading process error 9 MODBUS error ...

Страница 40: ...ength Control page able customer to pilot elementary STAC2 hardware components such pump pinch valves as Spectra measurement with automatic Spectralyse calculation with selected Model Files Manager able customer to explore some specific internal data file such configuration files read only or Model list The Model folder able the user to transfer models from or to a computer This list allow to sele...

Страница 41: ... an external USB mass sorage plugged on the USB port all related period s stored data results and spectrum and also the complete data base all STAC2 data you will be able to explore and filter in an external computer database software STAC2 database format file is SQLITE3 Once the export process is finished you will find the following contain in your USB Key A named folder with STAC2 serial number...

Страница 42: ...is point will display the related spectra sample curve In the left top corner some checkboxes able user to select parameter s curve to display In the right top corner some button able user to navigate cross recorded data from the oldest to the newest one 1st data display period measurement curves from period start time Last data display period measurement curves up to last period measurement point...

Страница 43: ... appear if automatic scale checkbox is disabled This table display detailled points values of the current graphical selected range period measurements For each measurement point date and time and for each measured parameters concentration and restitution quality level are displayed Scale custom values Automatic manual scale ...

Страница 44: ...s allow experimented user to analyze each measurement in details if required Also according to same principle than in graphical measurement history each point value can be displayed by moving mouse over points The curve above represent the energy related to the selected point spectra This is helpful in case of abnormal sample or blank measurement analysis ...

Страница 45: ...y according to selected events filter above Events filter type list Enable to list only some specific type of events if required Delete all filtered events The erase take in account filtered type events Buttons able user to navigate cross recorded events filtered list Prev events display previous range of events Next events display next range of events Data view display a list able user to select ...

Страница 46: ...nt process cycle last result corresponding to the current measurement Period is displayed If STAC2 is stopped the displayed result correspond to the last Period and measurement done One parameter result This example show 3 results for channel 1 and last Period measurement The screen can display up to 10 parameters per Channel Last Period measurement name List to select displayed channel 1 to 4 ...

Страница 47: ... control WIFI SSID Password for remote control 9 6 1 GENERAL PARAMETERS Flow cell size selection Measurement cycle frequency Automatic cycle measurement start in case of power failure Flow cell size factor In case of 2mm or 5mm Flow cell size selection real optical path length can varies around nominal path length because of gaskets compression factor and mechanical machining effects As a result a...

Страница 48: ... account by pressing Set Date Time button 9 6 3 WIRE NETWORK SETTING Display calendar to select correct day The current day is highlighted in blue color Click on the correct date to set correct date Display hours in a calendar form to choice hour minutes The current hour or minutes is highlighted in blue color Click on the correct hour and minutes to set correct hour Specified wired TCP IP address...

Страница 49: ...e is immediatelly taken in account by pressing Set IP address button 9 6 4 WIFI NETWORK SETTING STAC2 is able to be connected with WIFI wireless network connection This page section show you the current customer WIFI SSID Password Customer can change them to able the STAC2 to connect automatically to a specified WIFI network In the case STAC2 is not connected to any WIFI network an automatic try t...

Страница 50: ...nel 1 3 for example You must enable channel 1 or 1 2 or 1 2 3 or 1 2 3 4 Others combination are not allowed Set the frequency measurement This is a multiple of main cycle process measurement defined in general configuration Ex 10min main cycle and frequency of 2 result in a sample measurement every 20 min Each channel are independent Enable dilution if customer know sample concentration level is t...

Страница 51: ... This is a multiple of main cycle process measurement defined in general configuration Ex 10min main cycle and frequency of 2 result in a sample measurement every 20 min Each channel are independent Blank fluid is automatically measured one time during first cycle process after starting STAC2 in running process Then next Blank measurement will occurred according to frequency parameter Total tube l...

Страница 52: ...and flow cell Depending on the target application and chemical analitic paramaters a diluted javel water solution is a good cleaning sample This remove and clean algaes and others particle Set the frequency measurement This is a multiple of main cycle process measurement defined in general configuration Ex 10min main cycle and frequency of 60 result in a Rinsing process every 60 min 1 hour Total t...

Страница 53: ...ate up to 10 different parameters for each sample channel As a result STAC2 is really flexible in term of combination and configuration to achieve customer s requirements Each channel can be configured by clicking the Edit button on the related channel to edit Enabling parameter calculation Select model to be used for each chemical analytic parameter The list present all available STAC2 models Sel...

Страница 54: ...o be correctly evaluated measured An event is recorded in the STAC2 events database each time result is below this limit Alert is the high limit over which the result is considered as too high for the application An Alert event is recorded in the STAC2 events database each time result is over this limit Restitution Alert is the maximum value the user can defined which represent a confident level b...

Страница 55: ...cording to selected channel and time If a dilution value is different than 0 in case of Sample 1 to 4 sucking dilution process is automatically done between Blank and Sample Customer can Stop the pump before time duration ending sucking action Dilution factor value If 0 then there is no dilution Channel selection By pressing Blank button the optical measurement system will do zeroing measurement o...

Страница 56: ...STAC2 56 At the end of measurement Spectralyse calculation is automatically done with the already selected model in the list A new model can be selected to do another calculation on the last measurement ...

Страница 57: ...nly attribute This mean it s not possible to erase or write configuration by this way Concerning Models the user is able to delete or add new model files To delete a model select the one to delete and click on the Red Cross button in the top left button menu To add a new model in STAC2 user have to slide the model to transfer from the computer explorer to the STAC2 one In the STAC2Manuals section ...

Страница 58: ...a FTP server to assure STAC2 files exploration and download to an external system File transfer is unidirectional to secure STAC2 data integrity Downloading files from STAC2 to an external system is only possible You can access to STAC2 files by using the following identification and FTP connection parameters Host STAC2 IP with XXX XXX XXX XXX IP standard format Login files Password files Port 21 ...

Страница 59: ...STAC2 59 ...

Страница 60: ...and Connect the FlowCell cuvette to the Pump output tube and STAC2 main output tubes Warning FlowCell cuvette is delivered in its own package outside the STAC2 case WARNING Each FlowCell cuvette has its own FlowCell size Factor written on the bottom of FlowCell cuvette sticker This value MUST be entered in the STAC2 software parameter to give you correct measurement results see FlowCell size facto...

Страница 61: ...mples tube to each the related inlet valves 6 Install carefully the tubes in the electro valve by pushing the black mobile part in the electro valve head as shown in the drawing under Fig 13 How to install silicon tube in the electro valve head ...

Страница 62: ...r demineralized water and the rinsing solution is tape water with hypo chlorine 8 Switch on the STAC by connecting and turning on the main power supply If STAC2 is configured to start cycle measurement automatically the following sequence start WARNING First measurement could be affected by bubbles and air in tubing R B S1 S2 S3 S4 ...

Страница 63: ...Sample aspiration N Sample measurement N Dilution Results calculation Dilution process Diluted Sample measurement Rinse solution aspiration Recording results and linked data Yes Waiting start order Or Automatic start No If Rinse is enabled If blank measurement is required Sample N 1 ...

Страница 64: ...pplies 5 Remove all the silicon tubes out of the electro valves 6 Remove the silicon tube out of the peristaltic pump head 7 Be careful to remove avoid and clean any liquids projection or leak inside and over all instruments parts before closing it completely NOTE STAC not used during a long time Empty completely the tube and flow through cuvette Clean and dry the flow through cuvette Installed th...

Страница 65: ...STAC2 65 ...

Страница 66: ...ency of tube change especially those of the electro valves 3 MONTHS Following the aspect of the tubes the operator can shorten or lengthen this frequency 12 2 FLOW THROUGH CUVETTE MAINTENANCE Our flow through cuvette contains two quartz windows When these quartz windows are dirty it is advisable to clean or to change them See drawing under Fig 15 monochromator area and flow through cuvette 5mm pat...

Страница 67: ...r system Remove the inlet and outlet tube Remove fastening nuts Slide out flow through cuvette subset Fig 17 Flow through cuvette assembly details QuickLock system Press it one time to unlock and remove complete cuvette holder from monochromator area Inlet and outlet tube ...

Страница 68: ... PERISTALTIC PUMP 12 3 1 PERISTALTIC PUMP TUBE CHANGING WARNING For proper operation this subset must be change every three months Fig 18 Peristaltic pump head and its pump tube subset PERISTALTIC PUMP SUBSET REF M0178A Switch off the device Remove the external tubes connected to the peristaltic pump subset by unscrewing fixations A Remove pump cover with your fingers like in previous picture to a...

Страница 69: ...tating cover B part by hand Remove the peristaltic pump tube subset C part Re install a new one and do all actions in reverse order Re connect the external tubes Switch on the device Check the liquid aspiration C Pump tube subset ...

Страница 70: ...y necessity The user can adapt it according to the degree of wear of these parts or the frequency of use of the analyzer 12 5 SOFTWARE UPDATE An automatic software update can be initiated thru the WIFI or Ethernet connection A dedicated Windows software included in the update package file for STAC2 will have to be launched to start the update process Procedure NEVER POWER DOWN THE STAC2 DURING UPD...

Страница 71: ...lower number and the Stac2Updater software will show you some error details 5 During the second update process phase STAC2 will automatically run all next steps by itself until last phase A shown on the eight digit display If STAC2 never reach this step after more than 10 minutes restart update process to the first step 1 After a while in case of normal operation STAC2 will automatically be ready ...

Страница 72: ...th 70MP0602 1 STAC2 Flow through cell module with 5 mm optical path 70MP0601 1 STAC2 Flow through cell module with 2 mm optical path 70MP0600 1 Optional Maintenance Kit 70MP0604 1 Silicon tube 6x9 Reference for 1 meter 0M6832 10 Silicon tube 5x8 peristaltic pump connection 0M8275 2 Tube Subset of peristaltic pump head M0178A 1 Quartz window for flow through cuvette 0M7784 2 Locking ring for flow t...

Страница 73: ...Hydrofluoric acid 50 C Hydrofluoric acid 75 D Hydrogen peroxide dil A Hydrogen peroxide 90 D Hypochlorous acid A Iodine solution A Kerosene D Ketones D Lactic acid A Lead acetate B Lithium hydroxide A Magnesium chloride A Magnesium sulfate A Malic acid A Manganese salts A Mercury salts A Methane A Methanol C Methyl chloride D Methyl ethyl ketone D Mixed acid 40 H2SO4 15 HNO3 B Monoethanolamine Nap...

Страница 74: ......

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