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Remote I/O IN BIOGAS PLANT

​In biogas upgrading plants of Purac Puregas Turck’s I/O-system excom enables convenient maintenance directly in zone 1
The Swedish Purac Puregas company is an expert for biogas upgrading plants, which can upgrade biogas from fermented household garbage and other organical waste very efficiently into methane and CO2. Purac Puregas recently improved the maintenance work for its gas plants with a new remote I/O system that met all their demands: Turck’s excom system for use in hazardous and non-hazardous areas.
With its gas company Purac Puregas the Swedish Läckeby Water Group offers biogas upgrading plants. The Purac Puregas gas plants take raw biogas and upgrade it to practically pure bio methane. With its chemical absorption process, called CApure, the plants remove carbon dioxide and hydrogen sulfur (H2S) from the raw biogas. That increases the efficiency of the biogas plant and improves its ecobalance.

excom for compressor room
For the gas plant of a local energy company in Savsjo Purac Puregas looked for a better remote I/O solution for its biogas plant skids. In the compressor room of every plant module a remote I/O system in zone 1 collects all sensor and other signals from the hazardous areas. The former remote I/O could not be operated directly in zone 1. For maintenance, the customers always had to shut down the plant module and de-gas the compressor room. A lot of time, work and money were required - often for minor problems like, for example, a wire break.

Convenient maintenance
Turck introduced its remote I/O system excom to Purac Puregas. Unlike the system being used, excom can be mounted directly in zone 1. Additionally, the excom status LEDs are easily visible through the window of the stainless steel box the excom is mounted in. The electrical staff of the local waste company, for example, can now easily identify potential problems. And if necessary, the customer can get simple remote support just by calling Purac Puregas and describing what the status LEDs are signaling or the diagnostic messages show.
According to Anders Rosengren, senior electrical engineer at Purac Puregas, the easy maintenance of excom was the major reason for the system change: “The well visible LEDs and the easier maintenance through hot swap in run were our main reasons for excom. Besides that, excom matches aesthetically. We try to build everything in stainless steel. With its designated stainless steel housing excom fits like a hand in a glove.”

BL67 withstands Swedish winters
​During the project Purac Puregas found other solutions in the Turck portfolio to enhance their gas plant. In the outdoor parts of the plant, at the CO2--absorption tower, a fieldbus system has to connect several valve indicators to the Profibus of the PLC. Turck’s modular fieldbus I/O system BL67 with a temperature range up to -40 °C can be used outdoors even in harsh Swedish winters. The Profibus is connected to the PLC via the same node as excom. The Turck segment couplers SC12 provide the intrinsically safe Profibus. The direct outdoor mounting of the BL67 saves Purac Puregas the construction of a preheated control cabinet and that accounts for the energy efficiency of the gas plant as the preheaters would use energy themselves

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  • HOME
  • ABOUT US
    • Company Overview
    • certification
    • Company Policy
    • Safety Policy
  • PRODUCTS
    • TURCK ~ Industrial Automation >
      • Sensors >
        • Inductive Sensors
        • Capacitive Sensors
        • Magnetic Sensors
        • Ultrasonic Sensors
        • Photoelectric Sensors
        • Rotary Position
        • Linear Position
        • Temperature
        • Flow Sensors / Flow Meters
        • Pressure
        • Inclination
      • Connectivity >
        • Cable
        • Junction
        • Field-Wireable Connector
        • Bulk Cable
        • Inductive Couple
        • Accessories
      • Fieldbus Technology >
        • System I/O
        • Block I/O
        • PA Bus System
        • Accessories
      • Interface Technology >
        • Safety Barrier
        • Signal Conditioners
        • Safety Devices
        • Wireless
        • Accessories
      • Control & HMI >
        • HMI Operator Control
        • Programmable Gateway
        • Accessories
      • Power Supplies >
        • Power supplies DIN Rail IP20
        • Power Supplies For The Field IP67
      • Industries and Solutions >
        • Chemicals >
          • Zone 2 and 22 RFID
          • Asset Management with Remote I/O
          • Flexibility with Fieldbus
          • Dual Valve Position Feedback
          • Hazardous Area Remote I/O
          • Intrinsically Safe Field Communication
          • Efficient Testing Control
          • Process Control System Partnership
        • Oil and Gas >
          • Din Rail Mounted Temperature Transducer
          • Offshore ATEX Certified Sensors
          • Hazardous Area Quick Disconnect Wiring
        • Energy >
          • Wind Turbine Rotor Positioning
          • IP67 I/O in Coal Production
          • Remote I/O in Biogas Plant
        • Pharma >
          • Monitoring of Quarter Turn Actuator
          • Detection of Pipe Elbows
          • Remote Signal I/O
          • Planning and Construction of Super Skids
          • Easy Connection on the Field Devices
          • Identification of Portable Tanks
        • Success Stories
    • Anern
    • NJZ LIGHTING
    • Hilux >
      • 4Bay Light
      • Floodlight
      • Streetlight
    • ABTECH ~ Hazardous Area Enclosure & Cable Gland >
      • Hazardous Area Enclosures >
        • BPG (GRP)
        • BPGA (GRP)
        • GRN (Polycarbonate)
        • ZAG (Die-cast Aluminium)
        • SX (Stainless/Mild Steel)
        • SSD Ex d (Stainless Steel)
        • TFJB (36kV JB)
        • HV (High Voltage) Range
        • FR (Fire Rated Enclosures)
        • Nautilus (IP68)
      • Industrial Enclosure >
        • BPG (GRP)
        • ZAG (Die-cast Aluminium)
        • ZP (Polycarbonate JB)
        • SX (Stainless/Mild Steel)
      • Hazardous Control Station >
        • ABCS Control Stations (GRP)
        • SXCS Control Stations (S/Steel)
        • PCS Control Stations (Plastic)
      • Cable Gland ( Ex/ Non-Ex ) >
        • AAG Armoured Glands
        • ABAD Adaptors
        • ABRE Reducers
        • ABSP Stopping Plugs
        • ASG Non-Armoured Glands
        • ADG Double Compression Non-Armoured Glands
    • Industronic ~ PA/GA System
    • Newson Gale ~ Hazardous Area Static Control >
      • Earth-Rite® >
        • Earth-Rite® RTR
        • Earth-Rite® MGV
        • Earth-Rite® PLUS
        • Earth-Rite® MULTIPOINT II
        • Earth-Rite® FIBC
        • Earth-Rite® OMEGA II
        • Earth-Rite® System Option
        • Earth-Rite® Cable Reel
      • Bond-Rite® >
        • Bond-Rite® CLAMP
        • Bond-Rite® REMOTE
        • Bond-Rite® REMOTE EP
        • Bond-Rite® EZ
        • Bond-Rite® 2-Pole Clamp
      • Cen-Stat™ >
        • Cen-Stat™ Static Discharge Reels
        • Cen-Stat™ X45 and X90
        • Cen-Stat™ Static Discharge Grounding Reels
        • Cen-Stat™ Hand Wound Static Discharge Reel
        • Cen-Stat™ Grounding
        • Cen-Stat™ Hytrel® Cable
        • Cen-Stat™ Quick-Connect
        • Cen-Stat™ Sole-Mate
      • Mobile Solution >
        • Earth-Rite® MGV
        • OhmGuard®
        • Grounding Kit
    • YAMARI ~ Temperature Measurement >
      • Thermocouples >
        • High Temperature Multi-Point Thermocouple
        • HT-THERMIC Thermocouple
        • Metal Sheathed Thermocouple (AD THERMIC)
        • Metal Sheathed Thermocouple (THERMIC)
        • Multi-Point Thermocouple
      • Resistance Temperature Detectors (RTD) >
        • Metal Sheathed RTD (RESIMIC)
        • Standard Platinum Resistance Thermometer (SPRT)
        • Protection Tube Type RTD
        • Thin-film Platinum Resistance Element
      • Thermowells >
        • Solid Bar Stock Thermowell
        • Tubular Thermowells
    • WEG >
      • Electric Motors >
        • Low Voltage IEC Motors >
          • General Purpose ODP/TEFC
          • IEC Hazardous Area Motors >
            • Flameproof Motors >
              • W21Xd - Flameproof Ex d
              • MV/HV Flameproof Motors
            • Increased Safety Ex ec
            • Increased Safety Ex eb
            • Dust Ignition Proof Motors
          • Fan & Exhaust / Smoke Extraction Motors
          • Special Application Motors >
            • Marine Motors
            • Smoke Extraction Motors
            • Drilling
        • Low Voltage Name Motors >
          • General Purpose ODP/TEFC
          • NEMA Hazardous Area Motors
          • Definite Purpose Motors
        • Medium/High Voltage Induction Motors
        • Synchronous Motors >
          • S Line
          • SM40 Line
          • Electric Machinery Company - Motores Sincrónicos
        • DC Motors
      • Gearboxes and Geared Motors >
        • WG20
        • MAS >
          • Geared Motors >
            • MAS - Helical Geared Motors
          • Gearboxes
      • Generation,Transmission and Distribution >
        • Generators >
          • Alternators for Generator Sets >
            • Industrial
            • G Aircraft
            • G Rail
            • G Truck
            • Naval and Oil _ Gas
            • Totally Enclosed
            • G Traction
          • Hydrogenerators
          • Turbogenerators
        • Hydraulic Turbines
        • Wind Turbine
        • ​Oil type Reactors and Transformers >
          • Oil Type Distribution Transformer
          • Oil Type Power Transformer
          • Special Transformers
          • Shunt Reactors
          • Underground and Submersible Oil Type Transformers
        • Dry-Type Transformers
        • Disconnector >
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        • Substations >
          • Conventional Substations
          • Mobile Solutions
        • Synchronous Condensers
      • Drives
      • Controls
      • Industrial Automation
      • Electric Panels
    • Honeywell (IRIS) ~ Flame Monitoring System >
      • Flare Stack Pilot Monitor >
        • MODEL P222 SIGNAL PROCESSOR and S256B UV VIEWING HEAD
        • S256B VIEWING HEAD
        • P222 SIGNAL PROCESSOR
      • Pyrometer >
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      • Explosion Proof Light >
        • Offshore Platforms
        • Explosion Proof Lighting For Storage Tanks
        • Explosion Proof Lighting For Cranes
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        • Explosion Proof Lighting For Chimneys
    • Cromwell
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      • PROMOTION (CROMWELL)
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