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Industrial Fiber Optic Networking / Nuclear Qualified Instrumentation
Since the founding in 1968, Weed Instrument has have been a leading player in defining and growing several unique technology markets. From custom design, high volume temperature sensors for OEM applications to high performance products for the nuclear power generation and industrial automation markets, Weed Instrument helps keep industry and business around the globe up and running.

The product offering includes:

  • Industrial Fiber Optics Converters and Switches
  • Industrial Temperature Sensors and Transmitters
  • Pressure & Temperature Switches, Pressure Transmitters and Alarm Annunciators
  • Aerospace / Military Temperature Sensors
  • Nuclear Qualified Instrumentation
Industrial Fiber Optics


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Weed Instrument is the world’s leading manufacturer of Fiber Optic Networking Equipment for Industrial Automation & Process Control applications.

  • Over three decades of experience in fiber optic networking technology.
  • Weed Instrument offers the world’s largest selection of fiber optic converters for PLC’s and Distributed Control Systems.
  • Weed provides Fault Tolerant, Multidrop, and Fiber Optic Communications solutions.
Options:
  • Industrial Ethernet, Profibus, Modbus, Modbus Plus, ControlNet, DeviceNet, Data Highway Plus, DH-485, Genius, Remote I/O, RS232/484, Reliance R-Net
  • Analog: 4-20mA, 0-10V
 
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Electrical Interface Modules (EIMs)

Electrical Interface Modules (EIMs) connect the EOTec 2000 modem nodes to the "copper based" PLC devices and fieldbus networked equipment.

A maximum combination of five electrical or optical interface modules may be connected together in one modem node. Inter-module communications and operating power is achieved through the integrated module backplane "BUS" connections of the EOTEC 2000 architecture.

 
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Fiber Optic Interface Modules (OIMs)

Optical Interface Modules (OIMs) connect the EOTec 2000 modem nodes to the fiber optic cable network, and transfer network data between nodes. Cascade different optical modules in a single modem assembly and optically link modems utilizing 850/1300nm optical wavelengths, Multi-mode or Single mode fiber, and SMA or ST* connectors.

A maximum combination of five optical or electrical modules may be connected together in one modem. Inter-module communications and operating power is achieved through the integrated module backplane "BUS" connections of the EOTEC2000 architecture.

 
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Self-Healing Ring Modules

The Patented 2C3x series Self-Healing Ring Modules provides fiber media redundancy when utilized in each node or drop of a EOTec 2000 system fiber optic ring-network. Three versions of the module are available:

The Model 2C31 and 2C32 are designed specifically for use in ControlNet® applications in conjunction with the Model 2C20 Electrical Interface Module (2C31 for Single Channel and 2C32 for Dual Channel (redundant) communication networks.
The Model 2C30 supports non-ControlNet® applications in conjunction with any Electrical Interface Module other than the 2C20.

 
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Power Supply Modules

Several power supplies are offered in EOTec 2000 System to conform to available power sources.

Mix and match Power Supply Modules in a node to provide the option of "Hot-Swappable" dual power supplies with diagnostic outputs, eliminating "Single Point of Failure" locations in the network.

Output power is distributed to other modules in a node via the internal EOTec 2000 BUS.

 
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