YFGW410 현장 무선 관리 스테이션은 국제 자동화 협회 (ISA)의 산업 자동화를 위한 무선 통신 표준 인 ISA100.11a를 기반으로 합니다. 이 제품은 ISA100.11a에 기반한 시스템 관리자 / 보안 관리자 / 게이트웨이 기능을 가지고 있으며이를 현장 무선 수신기 (YFGW510) 및 / 또는 현장 무선 미디어 컨버터 (YFGW610)와 결합하여 현장 무선 시스템을 구성합니다.
이산 형 아키텍처를 채택하며 두 제품을 연결하여 중복 구성이 가능합니다. 필드 무선 시스템을 정지시킬 필요가 없으며 유지 보수를 온라인상에서 수행 할 수있는 매우 유연한 작업이 가능합니다.
이 제품은 액세스 제어 목록 (IP 필터 및 포트 필터)을 지원하여 무단 액세스를 방지하고 역할 기반 암호로 보호 된 보안 사용자 인터페이스를 지원합니다. ISA100.11a의 단재단(End-to-end) 통신은 AES 128bit로 암호화됩니다. 통신 및 보안의 견고성은 Achilles Level 1 인증을 획득함에 따라 검증됩니다.
이 제품은 HART 및 Modbus와 같은 외부 프로토콜을 캡슐화하여 장치와 호스트 시스템간에 전송할 수 있습니다. PROFIsafe와 같은 안전 통신 프로토콜을 SIS (Safety Instrumented System)와 무선 안전 장치간에 전송함으로써 전체 안전 시스템에 필요한 안전 무결성 레벨 (SIL)을 달성하는 데 기여합니다.
이 제품은 신뢰성 있고 효율적인 무선 통신을 실현하기 위해 현장 무선 네트워크의 대역폭을 유연하게 활용할 수 있습니다. Duocast 기능은 이 제품에 연결된 두 개의 백본 라우터 (BBR)를 통해 동시에 데이터 수신을 가능하게 합니다. 내장 된 데이터 캐시 기능은 현장 무선 네트워크의 대역폭과 현장 무선 장치의 에너지 소비를 절약합니다.
|Cable Type||Category 5|
|Number of Ports||4 ports|
|Management configuration, etc.||HTTP
|Communication Interface||Standard||100Base-TX4||RS-232C4 5|
|Number of Ports||1port||1port|
|Management, configuration, etc.||HTTP Proprietary3||－|
|Functional specifications||Temperature Range||Operating: －-40 to +65°C（altitude: up to 2000m）
: -40 to +55°C (altitude: more than 2000m, up to 3000m)
Storage: -40 to +85°C
|Humidity Range||Operating: 5 to 95 %RH (non-condensation)
Storage: 5 to 95 %RH (non-condensation)
|Temperature gradient||Operating: ±10°C/h or less
Storage: ±20°C/h or less
|Power Supply||Voltage Range: 10.8～26.4 V DC
Rated Power Supply: 24 V DC
Momentary Power Failure: Instant Disconnection
DC Power Supply Ripple Ratio: 1%p-p or less
|Power Consumption||Max. 10 W|
|Degrees of Protection||IP20|
|Vibration resistance||0.15 mm P-P (5～58 Hz), 1 G (58～150 Hz)|
|Shock resistance||15 G 11 ms|
|Noise resistance||Electric field: 3 V/m or less (80MHz～1GHz)
Electrostatic discharges: 4 kV or less (contact discharge), 8 kV or less (aerial discharge)
|Grounding||Class-D grounding (no sharing ground with others)|
|Cooling||Natural Air Cooling|
|Regulatory Compliance Statements||
|EMC: EN61326-1 Class A, Table 2, EN55011 Class A group1, EN61000-6-2|
|Safety Requirements||CSA C22.2 No. 61010-1 (Indoor use only)|
|Explosion-Proof Types||ATEX Type n declaration|
38400, 19200, 9600 bps
|Cable Type||Category 5||AWG24～12|
|Number of Ports||3 ports||1port|
For I/O data and status
One important risk to manage with regard to coal stacks is preventing fires due to spontaneous combustion.
A battery room is used to storage batteries for emergency power management in the plant. Each substation has battery room and the storage batteries are lead-acid batteries which must be maintained within specified operating temperature limits. Temperature management is important to ensure a long service life of the batteries especially for the plant in desert climates.
Delayed Coker is a type of coker who's process consists of heating residual oil feed to its thermal cracking temperature in a furnace. The most important variable in industrial furnace control is temperature. Temperature is measured throughout the furnace in different zones and temperature effects the materials being manufactured and therefore must be precisely monitored to prevent deviations in quality of the final product.
Blending plays a key role in industries such as food, healthcare and chemicals etc. Temperature and vacuum measurements are very important in minimizing the moisture content to ensure the quality of the final product. Strictly maintaining them throughout the process ensures the final product yield.
An induction furnace melts metal by creating very large currents in the material. These currents are induced using three electrodes positioned inside the furnace. The furnace is automated so that once the material has been melted, the electrodes are removed and the furnace then tips the molten metal into a crucible where it can be easily transferred to the production line where it will be cast into ingots. The atmosphere is extremely aggressive and the wired infrastructure is both expensive and very unreliable to maintain. The furnace control requires a total of 20 measurement points distributed around and inside the furnace. The harmonic field effects caused by short circuit 40,000 A (300V). The causes significant interference.
Customer needed efficiency improvement of steel manufacturing by temperature monitoring for heat/cooling equipment. Previous system required periodic compensation lead changing.
The client wanted to monitor the temperature on a chimney. Exhaust air is exposed to the heat on the way traveling from the inlet to the outlet in the chimney. Then constituent of the air transform to harmless elements. It is important to keep the temperature in the chimney as designed.
Direct Reduction Iron (DRI) is one of the processes to reduce oxygen from iron oxide pellets for steel plant. More than 90% of DRI processes use heated LNG as process gas where PID control for temperature or interlock control is of vital importance.
Pressure measurement of tubeless tyres to monitor the air loss is one of the key performance tests in the tyre manufacturing units. Relocation of tyres from one testing rack to the other for various tests and frequent movement of the testing setup for conditional tests to various locations calls for cable free implementation for ease of handling.
Wireless technology has a long history, and it began around the time that James C. Maxwell theoretically predicted and then proved the existence of electromagnetic waves in the 1860s, and when Heinrich R. Hertz experimentally confirmed the actual existence of the electromagnetic wave in 1888.
In plant sites, there are various places such as those affording an unobstructed view like tank yards, and others surrounded by metal pipes and equipment obstructing the view (hereafter referred to "pipe jungles"), often seen in oil refinery and chemical on-site plants. The frequency band of radio waves used for field wireless communication is 2.4 GHz, which has high straightness and its ability to go around things can hardly be expected.
The FieldMate versatile device management wizard is PC software mainly used for configuring and adjusting field devices. Under the concept of "one tool for all," Yokogawa has been enhancing this software to support a wide range of field devices and field communication protocols.
In recent years, expectations for control systems using wireless communications have been increasing in the process control market. This is because these systems do not require power and communication wiring for field instruments, enabling reduced initial and maintenance costs, and easy installation.
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