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E N V O LGas Volume Converter
SIS intoduces his new generation
of T, PT or PTZ gas volume converter ENVOL.
Compliant with MID directive, ENVOL was
developed in close cooperation with the admin-
istrators of gas networks to offer innovative
functionalities in the gas volume conversion,
thus minimizing to strict minimum the installa-
tion and start-up phase.
Its communication capabilities combined
with large data logger functionalities make
the ENVOL device a high performance gas
volume converter.
Certification • ATEX approved : LCIE 08 ATEX 6056 X – CE081 II 1 G Ex ia IIA ou IIB T4
• LNE type examination approved• EN12405-1/A1 compliant• MID 2004-22-CE compliant
Pressure • External pressure sensor• 3 meters cable length• 1/4" gas coupling • Conversion pressure ranges :
• 0,8 to 3 bar abs.• 1 to 7 bar abs.• 3 to 24 bar abs.• 18 to 90 bar abs.• Other ranges : on request
Temperature • PT1000 class A probe• 3 meters cable length• -40°C à +70°C range of measurement
Volume input • Low Frequency pulse metering input (20Hz max)• Optional : HF+LF pulse metering input (5 kHz maxi)
Output • 3 digital output on open collector
Communication • USB link for laptop• 2 serial links : Independently programmable,
RS232/RS485, 1200 to 38400 bauds rate
Power Supply • Internal battery (5 years autonomy)*Optional supplies :• External ATEX 230Vac power supply• External ATEX solar power supply
Hardware • IP65 polycarbonat enclosure dimensions H175 x W185x D70mm including wall mounting
• Optional : • Pipe fixing on flange• DIN rail fixing•Various integrations available (cabinets, grids)
Environment • Mechanical : M1.• Electromagnetic : E2• Operating : -25°C à +70°C• Storage : -40°C to +85°C• Humidity : 10 to 93% without condensation
TechnicalENVOL
Funct ional i t iesENVOL
ENVOL is a category 1 T, PT or PTZ gas volume converter in compliance with MID directive. ENVOL is a new generation of gasflow converter that integrates the latest electronic technologies(USB, Flash memory, microprocessor with low power consump-tion,...). Furthermore ENVOL offers advanced Datalogger function-alities and several communication ports (USB and RS232/485)allowing it to be used in any gas billing chain.
ENVOL allows conversion for combustible gasses 1st and 2nd family (according to EN437) and Nitrogen.
ENVOL is approved ATEX to be used in hazardous area (zone 0).
D e s c r i p t i o nENVOL
* Depending on operating conditions
Compressibility Methods : T, PT • AGA8-1, AGA8-2 and AGA8 (DC92)PTZ • AGANX19
• AGANX19BRKHOR 3H• SGERG• Nitrogen table
Volumes • Current hourly, daily, monthly unconvertedand converted volume
• Unconverted and converted indexes• Hourly volumes and indexes registered for
40 days• Daily volumes and indexes registered for
100 days• Monthly volumes and indexes registered
for 14 months• Thresholds on volume overrun
Measurements • Current pressure, temperature and flow values• Daily average pressure and temperature
registered for 80 days
Output • Digital outputs :• Unconverted volume pulse retrans-
mission• Converted volume pulse retransmission• Alarm retransmission (Conversion
stopped, threshold overrun)
Pressure and • Conversion stop thresholds (thresholdtemperarture overrun) parametrables with alarm
management
Conversion alarm • A conversion stop alarm is generatedwhen the converter is overunning thework limits (P, T or calculation method).The following informations are regis-tered :• Conversion stop duration• Hourly converted volume during
alarm• Daily converted volume during alarm• Unconverted index during alarm
• Parametrable standby values are thenused for conversion
Event log • 400 last events recorded (including alarms)
Modbus link • Slave mode• PSTN, GSM/GPRS modem• PLC or RTU linkAdresses table (contact us)
• Master mode• chromatograph with gas parameters
reading for conversion / calculation
Integration example
• DisplayENVOL has a graphic display and a two multi-function button keypad. This display allows not only the exploitation of the recordeddatas but also the configuration of the main parameters.
• SoftwareENVOL can be configured and operated via a laptop with the SESAME software, locally or remotely thanks to its intuitive anduser-friendly interface. (Refer to SESAME software brochure).
Display : D Sésame : S
Configuration D SGas parameters(pulse weight, P, CO2, H2, PCS, …) Converted alarms thresholds Unconverted and converted indexes System informations Digital outputs (Vb, Vm, conversion stop transmission…) Communication links (Modem, RTU, Chromatograph, …) Communication protocol (Modbus RTU, Modbus TCP, …) Firmware updates log
Consultation D SInstantaneous indexes values (Vm, Vb, conversion stop, …)
Instantaneous metrological meauserements (P, T, C, Zb,…)
Gas parameters (pulse weight, P, CO2, H2, PCS, …)
Conversion alarm thresholds
Power level (internal battery autonomy, …)
Alarm index (Vma, Vba, C,…)
Hourly/daily/monthly Instantaneous volumes
End of month volumes indexes recorded over 14 months
Hourly volumes over 40 days
Hourly average measurements (P,T) over 40 days
Daily volumes over 100 jours
Daily average measurements (P,T) over 100 days
Monthly volumes over 14 months
Metrological alarms log
Not metrological alarms log (events)
System informations
Maintenance D SCalibration mode Indexes values modification Battery level update Temperature calibration Pressure offset modification (pressure) Exceed pressures on sensors log
Conf igurat ion, operat ing and maintenanceENVOL
Man / Machine Inter faceENVOL
For a full solution, SIS offers a wide range of services to satisfy the requirements of the market : installation, put into service incompliance with the statutory legal metrology obligations, service contract for a total number of equipments.
Ser v icesENVOL
CHROMATOGRAPH
Laptop + SESAME
RTU GSM - GPRS RTU - GSM - GPRS PLC
S C A D A
SENTINELLEUNI 1000 OTHER
SYSTEMS
01 1001 100
USB
01 1001 100
01 1001 100 - (MODBUS)RS232/485
Z.I . LES PALUDS AVENUE DE LA FLEURIDE13685 AUBAGNE CEDE XFRANCE
Tel . +33 (0) 4 42 82 90 05 Fax +33 (0) 4 42 70 26 87 Emai l : commerc ia [email protected] : www.sevme.com
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ATEX power supply(option)
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