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Bronkhorst®

Instruction Manual Controlled Evaporator and Mixer

9.17.126A

3.7

Digital parameters

Using an E-8000 CEM control module, the heating element of the CEM can be operated digitally via RS232 or fieldbus. This

section describes the parameters that are used to monitor and control the heating element.

Consult the

E-8000 manual

for installation information and a description of the user interface.

Measure

Type

Access

Range

FlowDDE

FLOW-BUS

Modbus

Unsigned int

0…32000

1/0

0x0020/33

This parameter indicates the temperature measured by the CEM. The value range corresponds to 0…200 °C (the supported

temperature range of the CEM control module).

Setpoint

Type

Access

Range

FlowDDE

FLOW-BUS

Modbus

Unsigned int

0…32000

1/1

0x0021/34

This parameter sets the required temperature of the heater. Like

Measure

, its value range corresponds to 0…200 °C. Note that

the heater has no cooling functionality; a setpoint evaluating to a lower temperature than the actual heater temperature

effectively switches the heater off.

Fmeasure

Type

Access

Range

FlowDDE

FLOW-BUS

Modbus

Float

0…200

205

33/0

0xA100…0xA101/ 41217…41218

Fmeasure

returns the measured temperature in °C.

Fsetpoint

Type

Access

Range

FlowDDE

FLOW-BUS

Modbus

Float

0…200

206

33/3

0xA119…0xA11A/ 41241…41242

Fsetpoint

sets the required temperature of the heater in °C. Note that the heater has no cooling functionality; a setpoint

lower than the actual heater temperature effectively switches the heater off.

Capacity

Type

Access

Range

FlowDDE

FLOW-BUS

Modbus

Float

200

1/13

0x8168…0x8169/33129…33130

This parameter returns the maximum readout and control value (100%), expressed in units corresponding to parameter

Capacity Unit

. For the CEM control module, this parameter is fixed to 200 (°C); it might come in handy when scaling the value

of parameter

Measure

(1 °C = 32000/200).

Capacity Unit

Type

Access

Range

FlowDDE

FLOW-BUS

Modbus

Unsigned char[7]

n/a

129

1/31

0x81F8…0x81FB/33273…33276

This parameter returns the capacity unit in which

Fmeasure

and

Fsetpoint

are expressed. For the CEM control module, this

parameter is fixed to °C.

Содержание CEM W101A

Страница 1: ...TENTION Pleaseread this Instruction Manualcarefully beforeinstalling and operating theinstrument Notfollowing theguidelines could resultin personalinjury and ordamageto theequipment Controlled Evaporator and Mixer CEM Instruction Manual ...

Страница 2: ...elpful information Thisinformationwill facilitatetheuseoftheinstrument and or contributetoitsoptimal performance Additional infoavailableontheinternet or from your local Bronkhorst representative Receipt of equipment Check the outside package box for damage incurred during shipment If the box is damaged then the local carrier must be notified at once regarding his liability if so required At the s...

Страница 3: ...s intended for use by qualified personnel who recognize shock hazards and are familiar with the safety precautions required to avoid possible injury Read the operating information carefully before using the product Before operating make sure the line cord is connected to a properly grounded power receptacle Inspect the connecting cables for cracks or breaks before each use The equipment and access...

Страница 4: ...Bronkhorst Instruction Manual Controlled Evaporator and Mixer 9 17 126A 4 ...

Страница 5: ...1 12 Basic assembly 2 4 2 13 Working under vacuum 2 4 3 13 2 5 Fluid supply 13 Carrier gas 2 5 1 13 Liquid purity 2 5 2 13 Minimizing gas dissolution 2 5 3 14 Liquid vessel size 2 5 4 14 2 6 Media compatibility 15 Operation 3 15 3 1 Powering up 15 3 2 Required setpoints 16 3 3 Starting vapour production 16 3 4 Stopping vapour production 16 3 5 Bleeding mixing valve 17 3 6 Purging 18 3 7 Digital pa...

Страница 6: ...Bronkhorst Instruction Manual Controlled Evaporator and Mixer 9 17 126A 6 ...

Страница 7: ...sasdescribedintheMaterial SafetyDataSheetsofthemediatobeusedinthesystem ifapplicable ThewettedmaterialsincorporatedintheCEMarecompatiblewithmediaandconditions e g pressure temperature as specifiedat orderingtime Ifyouareplanningtousetheproduct includinganythirdpartycomponentssuppliedby Bronkhorst suchaspumpsor valves withother mediaand or other conditions alwayscheckthewettedmaterials includingsea...

Страница 8: ...atomizes the liquid and adds it to the carrier gas creating an aerosol which is heated by the CEM until it transforms into a vapour To monitor the internal temperature of the heat exchanger the CEM incorporates a PT100 temperature sensor An internal safety switch prevents overheating of the heat exchanger by interrupting the control signal as soon as the temperature reaches 200 C To control the li...

Страница 9: ...wingtableisavailableontheCEM product pagesunder www bronkhorst com products Type Document name Document no Brochures CEM Brochure 9 60 038 Manuals Instruction Manual Controlled Evaporator and Mixer this document 9 17 126 Instruction manual E 8000 9 17 076 Hook up diagrams Hook up diagram CEM W101A W102A W202A 9 16 086 Hook up diagram CEM W303B 120V 9 16 116 Hook up diagram CEM W303B 230V 9 16 115 ...

Страница 10: ...orator and Mixer 9 17 126A 10 1 6 Model key The model key on the serial number label contains information about the technical properties of the instrument as ordered The actual properties of your instrument can be retrieved with the diagram below ...

Страница 11: ...kthedimensional drawing for theexact positionsandsizeofthemountingholes Avoidinstallationincloseproximityofmechanical vibrationand or heat sources 2 3 Electrical connection Electrical connections must be made with standard cables or according to the applicable hook up diagrams Make sure that the power supply is suitable for the power ratings as indicated on the serial number label or in the techni...

Страница 12: ...erature pressureandvibrations Tubing diameterand flexibility Usetubingwithaminimal diameter that still supportstherequiredmediaflow thiswill helpkeepthefillingand refreshingtimeofthefluidic linesasshort aspossible Preferablyusehardtubing asopposedtoflexible toprevent internal volumechangesandreducetheimpact of ambient pressurefluctuations Insulation and heat tracing Applyinginsulationmaterial onth...

Страница 13: ... your process media cannot be ruled out installing a particle filter in the carrier gas supply line upstream from the flow controller is strongly recommended If necessary install a de humidifier in the carrier gas supply line upstream from eventual filters Humidity in the carrier gas can cause chemical reactions in the mixing valve in combination with certain liquids Purging the fluidic system bef...

Страница 14: ...d vessel size The liquid vessel should be large enough to provide a stable flow for a sufficient amount of time between refills Purging or flushing the fluidic system can consume a relatively large amount of liquid take this into account when selecting a suitable vessel size The table below gives an indication of the liquid consumption based on different flow rates Flow rate Liquid consumption g h...

Страница 15: ...c system graduallyuptothelevel of operating conditions openandclosethefluidsupplygently 3 2 Required setpoints Therequiredsetpointsfor thecarrier gasandliquidflowsandthetemperatureoftheheat exchanger canbeobtainedfrom FLUIDAT ontheNet usingtheflowratesoftheorderedinstruments FLUIDAT ontheNet canbeaccessedviahttp www fluidat com FreeregistrationontheFLUIDAT websitegives accesstoall availablefluidsa...

Страница 16: ...point to 0 C 3 Change the carrier gas flow setpoint to 0 3 5 Bleeding mixing valve Inorder toensurestableandreliablecontrol behaviour theliquidtubinganddeadspaceofthemixingvalveshouldbe kept freeofgas bybleedingthemixingvalvefrom timetotime Bleedingisrecommendedat thefollowingoccasions o prior tofirst useoftheCEMsystem o whenrestartingthesystem after purging o periodically toremoveaccumulatedgas i...

Страница 17: ...atility etc longer or shorter timesmight berecommendable Step 1 Preparation a Set all setpoints to 0 liquid flow carrier gas flow CEM temperature b Connect a purging gas supply facility to the inlets of both flow controllers liquid and gas c Pressurise the purging gas supply line Step 2 Gastubing a Change the carrier gas flow setpoint to 100 b Purge for at least 30 minutes Step 3 Mixing valve a Ch...

Страница 18: ...re than the actual heater temperature effectively switches the heater off Fmeasure Type Access Range FlowDDE FLOW BUS Modbus Float R 0 200 205 33 0 0xA100 0xA101 41217 41218 Fmeasure returns the measured temperature in C Fsetpoint Type Access Range FlowDDE FLOW BUS Modbus Float RW 0 200 206 33 3 0xA119 0xA11A 41241 41242 Fsetpoint sets the required temperature of the heater in C Note that the heat...

Страница 19: ...d with a clean dry and inert gas In case of severe contamination cleaning the inside of the device may be necessary by flushing the conduits with an appropriate cleaning fluid Inexpertlyservicinginstrumentscanleadtoseriouspersonal injuryand or damagetotheinstrument or thesystem it is usedin Therefore servicingmust beperformedbytrainedandqualifiedpersonnel Contact your local Bronkhorst representati...

Страница 20: ...gas flow too high Decrease carrier gas flow Liquid flow too low Increase liquid flow Condensation at vapour outlet CEM temperature setpoint too low Increase CEM temperature setpoint Carrier gas flow too low Increase carrier gas flow Liquid flow too high Decrease liquid flow CEM heater does not warm up Fuse blown Replace fuse Temperature sensor defective Return equipment to factory Heater defective...

Страница 21: ...he right product for your application Contact sales by e mail sales bronkhorst com For after sales questions our Customer Service Department is available with help and guidance To contact CSD by e mail support bronkhorst com No matter the time zone our experts within the Support Group are available to answer your request immediately or ensure appropriate further action Our experts can be reached a...

Страница 22: ...nloadedfrom theService Support sectionoftheBronkhorst website www bronkhorst com Important Clearly note on top of the package the customs clearance number of Bronkhorst High Tech B V NL801989978B01 only if applicable otherwise contact your local Bronkhorst representative for local arrangements 6 2 Disposal end of lifetime Within the scope of the European Union manufacturers of electrical and elect...

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