Nuclear Sensors & Process Instrumentation
(Formerly Weed Instrument)

Overview

• Multi-Node MX Multiplexer Base Unit supports up-to 16 I/O device ports
• I/O Modules are available in 2 and 4 channel versions
• Maximum number of I/O modules per optical base unit – 4
• Maximum number of I/O devices per optical base unit – 16
• Maximum number of Input devices per system – 1024
• Maximum number of Output devices per system – unlimited
• Maximum number of locations in Daisy Chain or SHR topology – 256
• SFP Transceivers with LC connectors and patch cords available
• No programming required

Technical Solutions and Concepts

Features and Benefits:

• Base unit supports up to 16 I/O device ports
• Dry contacts, 0-10Vdc, 4-20mA I/O modules available
• I/O modules are available in 2 and 4 channel versions
• Max number of input devices per system: 1024
• Max number of output devices per system: unlimited
• Single & Multimode fiber supported

Signal Conversion Between I/O Modules:

• 4-20mA module communicates and translates to 0-10Vdc module
• 0-10Vdc module communicates and translates to 4-20mA module
• Dry Contact Input with Form-C Relay Output

Selection guide:

100 Mbps SFP transceivers:

MX Base Module:

• Requires +15-30VDC input
  • The Base passes +15-30Vdc to all I/O modules
    on the backplane
  • Improved internal power distribution and
    reduced I/O module cost
• Alarm Output Relay
  • Form-C (SPST)
  • 1A @30Vdc
• Update Rate= 115.2kHz (8.68μs)
• LC style optical connector
  • Adapter cables available
• Fiber Type
  • Multimode- 2km
  • Single-mode- 15, 40, 80km

All Analog I/O Modules:

• Signal Resolution = 16 bit
• Reference Accuracy = 0.01% @ 25°C
• Ambient Temp. Effect = 0.08%/50°C change

Regulatory Certifications

• CE
• Class I, Division 2, Groups A, B, C, D for the US and Canada
• ATEX, Zone-2, Category-3

Operating Temperature

• -40 to 85°C; 0 to 95% Humidity (Non-condensing)

Mounting

• All MX Multiplexer Modules mount on a 35mm Din Rail

Overview

EOTec 2000 Multiplexers can send up to sixteen channels of bi-directional electrical information over a pair of fiber optic cable. Input/Output module selections include 4-20mA, 0-10VDC, contact closure and RS-232/485. The base unit connects directly to the fiber optic cable and provides a visual indication of the fiber link status. Each base unit has a duplex optical port configured for use with 1300nm wavelength, multi-mode or single mode optical fiber. An integrated backplane allows for communications from the base unit to the input/output modules with no external inter-modular connection. No programming is required. Power is supplied through an external 24VDC power supply. Applications for NSPI fiber optic Mulitplexers include remote analog data acquisition, Continuous Emissions Monitoring Systems at coal fired power plants, data transmission on wind turbines and signal transmission in lightning prone locations and hazardous areas.

• MX Multiplexer Base Unit supports up-to 16 channels
• I/O Modules are available in 2 and 4 channel versions
  • Maximum number of I/O modules per optical side – 4
  • Maximum number of I/O devices per optical side – 16
• SFP Transceivers with LC connectors and patch cords available

Technical Solutions and Concepts

Signal Conversion Between I/O Modules

• 4-20mA module communicates and translates to 0-10Vdc module
• 0-10Vdc module communicates and translates to 4-20mA module
• RS232 and RS485 modules communicates to each other
• Dry Contact Input with Form-C Relay Output

Selection guide:

Regulatory Certifications

• CE
• Class I, Division 2, Groups A, B, C, D for the US and Canada
• ATEX, Zone-2, Category-3

Operating Temperature

• -40 to 85°C; 0 to 95% Humidity (Non-condensing)

Mounting

• All MX Multiplexer Modules mount on a 35mm Din Rail

Overview
NSPI manufactures modules for 4-20mA, 0-10V, RS-232 and contact closure applications. The base unit (or brain) connects to the fiber optic cable and provides visual indication of fiber link status. Information is received from up to four input modules that can be cascaded. Each module has a partner module installed on the corresponding base unit. An integrated backplane allows for communications between modules with no external inter-modular connection. Installation and commissioning is fast and simple — no programming is required.

Power supply options:
The base unit and all its connected input/output modules can receive power from the standard EOTec 2000 power supplies (120/240VAC, 125VDC or 24VDC) or from an external 24VDC power supply connected directly to the base unit through a pluggable screw terminal connection.

Typical applications:
Typical applications include remote analog data transmission over long distances, smoke stack emissions monitoring instrumentation, windmills (wind turbines) and extensions of DCS or PLC systems. Each base unit has a duplex optical port for use with multi-mode or single mode optical fiber with transmissions at 1300 nm using industrialized ST/SMA connectors.

Features:

• Up to 8 analog or digital signals over a pair of fiber optic cables
• Bi-directional communications
• Configurable with multi-mode or single mode optical fiber
• Pluggable screw terminals for all wire connections
• Visible status LED’s for power, TX/RX and channel inputs
• Available with dual redundant, hot swappable power supplies
• Designed for mounting on standard 35 mm DIN-Rail
• Operating temperature range of –40 °C to 85 °C, 0-90% RH (non-condensing)
• Dimensions (each module): 22.5 mm (0.9”) w x 99 mm (3.9”)h x 114 mm (4.5”) d

Selection guide:

Base units:

Input/Output Modules:

Multiplexer Power Supply Options: