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.
- Automotive
- Motor Control with Condition Monitoring
- IP67 Hybrid Module Processes Safety Signals
- Decentralized monitoring of cooling stations
- Robot welding cells networked with Ethernet
- Monitoring the cooling circuit on welding clamps
- Flow monitoring in drum washers
- Press Shop – Sheet Metal Thickness Measurement
- Condition Monitoring of Motors as a Retrofit
- Cloud-based Level Monitoring
- Press Shop – Tool Identification
- Body Shop – Welding Nut Detection
- Paint Shop – Skid Identification
- Final Assembly – Robot Assembly
- Tier 1 – Bumper Identification
- Powertrain – Contactless Verification
- Body Detection in Automobile Production
- Body Shop – Area Guarding
- Item-level Detection with UHF RFID
- Supply of cooling lubricant in machine tools
- Press Shop: Controlling hydraulic pressure
- Measuring process pressure on scissor lifts
- Body Shop – Automotive Welding Tip Inspection
- Body Shop – Manual Load Weld Cell
- Final Assembly – Black Parts Detection
- Final Assembly – Moonroof Detection
- Final Assembly – Long-Range Inspection
- Powertrain – Rubber Washer Detection
- Powertrain – Part-In-Place Detection
- Electric Vehicle Detection
- Vehicle Detection in a Self-Serve Car Wash
- Success Stories
- Decentralized Safety Technology for Modular Production
- Modular Conveyor System
- RFID and I/O modules for Safe Tool Changes
- RFID Guides AGV in Suspension Production
- IO-Link Wired Silencer Production
- Workpiece Carrier Identification in Rear Vent Production
- Weld Nut Sensing
- RFID Traceability
- RFID in Engine Production
- Bumper Production with Identification
- Solutions for Paint Shops
- Welding and Assembly Sensors
- Angle Sensors for Assembly Systems
- Tool Identification
- Pick-to-Light Improves Cockpit Production
- RFID Identification of Injector Nozzles
- RFID in the Body Shop
- IO-Link Eases Differential Gear Production
- Chemical
- Ethernet Signal Connection in the I&C Room
- Ethernet-based Automation of Modular Skids
- Ex Isolation in Modular Process Plants
- Detection of Pigs
- Remote Signal I/O
- Easy Connection of Field Devices
- Signal Processing with System I/O in the Control Cabinet
- Signal Separation with Interface Technology in the Control Cabinet
- Identification of Hose Connections
- Efficient Monitoring of Cabinets in the Field
- Monitoring of Quarter Turn Actuators
- Planning and Assembly of System Solutions
- Success Stories
- I/O System Excom Creates Space in the I&C Rooms
- Zone 2 and 22 RFID
- Efficient Testing Control
- Intrinsically Safe Field Communication
- Process Control System Partnership
- Hazardous Area Remote I/O
- Dual Valve Position Feedback
- Flexibility with Fieldbus
- Asset Management with Remote I/O
- Correct Positioning with RFID in Carbide Production
- Compact Ex Protection
- Energy
- Food and Beverage
- Condition Monitoring of Control Cabinets
- Condition Monitoring in Storage Rooms
- Dough Thickness Control in Rolling Machines
- Identification of Food Containers
- Quick Sensor Replacement in Beverage Plants
- Container Check
- Detection of Pipe Elbows
- Identification of Chocolate Moulds
- Success Stories
- Decentralized Control Modules in Coldstore
- Track and Trace in Meat Production with RFID
- Contact-free Encoder in Potato Production
- UHF RFID in Food Distribution Center
- RFID for Chocolate Production
- Distributed I/O for Food Equipment
- Remote I/O for Distilleries
- RFID and Autoclaves
- IP67 Power Supplies for Conveyors
- Bottle Detection with Camera
- Logistics
- Decentralized Muting of Electro-sensitive Protective Equipment
- Container Check
- I/O Blocks Control Roller Conveyor Modules
- Fast Tag Detection at Warehouse Gates
- Item-level Detection with UHF RFID
- Preventive Maintenance on Conveyor Belts
- Detection of Transport Containers
- Level Detection in Vessels
- Identification of Cryovessels
- Identification of Mobile Containers with Handheld Devices
- Identification of Food Containers
- Tier 1 – Bumper Identification
- Condition Monitoring in Storage Rooms
- Collision Protection on Reach Stackers
- Success Stories
- Contact-free Encoder in Potato Production
- Decentralized Control Modules in Coldstore
- Speed Control via Radar Sensor QT50
- IP67 Power Supplies for Conveyors
- Modular Conveyor System
- RFID Solution for Warehouse
- RFID Guides AGV in Suspension Production
- RFID Identifies Pharmaceuticals
- UHF RFID in Food Distribution Center
- Autonomous Parking Assistance for Trucks
- Mobile Equipment
- Automatic Slope Compensation
- Distribution Lines for Field Sprayers
- Angle Measurement on a Field Sprayer
- Determining the Boom Angle Position
- Material Flow Monitoring on a Combine Harvester
- Equipment Compartment Illumination on Fire Engines
- Two-Axis Tilt Measurement on a Combine Harvester
- Collision Protection on Reach Stackers
- Success Stories
- Selective Asparagus Harvester
- Position Measurement with RFID and Encoder
- Speed Control via Radar Sensor QT50
- RFID Guides AGV in Suspension Production
- Block I/O Modules on Super Yacht
- Wear-free encoder on hopper dredger
- I/O for Dust Suppression
- Cabinet Cooling
- Quick Disconnect Connectivity
- Automation Solutions for Extreme Cold
- Remote I/O for Cranes
- Rugged Heavy Metal Lifting
- Rollercoaster Positioning
- Mobile Machinery Solutions
- Exact Height Positioning
- Critical Angle Sensing
- Angle Sensor Detects Platform Lift
- Oil and Gas
- Packaging
- Decentralized RFID Package Verification
- Identification of Printing Color Cartridges
- Container Check
- Reliable Operation of Machines
- Monitoring of Caps in Filling Lines
- Monitoring Changeover Processes
- Identification of Test Bottles
- Level Monitoring of Ground Coffee
- Level Detection in Vessels
- Detection of Transport Containers
- Success Stories
- Pharma
- Decentralized Package Verification
- Automate Modular Skids
- Pharmaceutical Skids with Decentralized I/O Technology
- Ex Isolation in Modular Process Plants
- Control of Valve Interfaces
- Monitoring of Quarter Turn Actuators
- Detection of Pipe Elbows
- Remote Signal I/O
- Planning and Construction of Super Skids
- Easy Connection of Field Devices
- Identification of Cryovessels
- Identification of Mobile Containers
- Identification of Mobile Containers with Handheld Devices
- Identification of Hose Connections for Precursors
- Identification of Hose Connections in Sterile Areas
- Identification of Hose Connections in Ex Zone 1
- Identification of Big Bags and Bioreactors
- Identification of Single-Use Applications
- Success Stories
- Semiconductor
- Electronic Marking Verification
- Counting Integrated Circuits
- Inspection of Two Barcodes
- Compact Safety Control
- Adhesive Detection on PCB Assembly
- Great Detail Inspection of Mobile Electronic Devices
- Error Proofing for IC Chips in Pocket Tape
- Presence and Orientation of IC Chips Seated in Nests
- Detection of Hard Disks
- Multiproduct Light-Guided Assembly Station
- Indication of FOUP Progress
- Safeguarding Small Access Points
- Success Stories