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(Formerly Weed Instrument)

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Contact Closure

For single channel applications, the FOT-CC and FOR-CC Fiber Optic Transmitter and Receiver provide point-to-point contact closure information over a single fiber optic cable.

For multi-channel applications, the EOTec 2000 fiber optic Multi-Channel Contact Closure transceiver modules are used to convert up to 10 contact closure inputs (switches, relays, etc.) into fiber optic signals for transmission over a single fiber optic link.
EOTec Multi-Channel Contact Closure (MCCC)

EOTec Multi-Channel Contact Closure (MCCC)

Overview
Introducing NSPI’s latest Multi-Channel Contact Closure models, now more robust than ever and with the latest certifications, including CE; Class I Division 2 Groups A, B, C, D for the US and Canada; and ATEX Zone-2, Category-3.

The EOTec fiber optic Multi-Channel Contact Closure transceiver modules for Safety-Shut Down applications are used to convert up to ten contact closure inputs into fiber optic signals for transmission over a single fiber optic link.  These units are commonly used for remote transmission over long distances (up to 16 miles), transmission through hazardous areas and alarm event triggering.

Applications for this device include long distance transmissions, lightning prone areas, transmissions through hazardous areas and Safety-Shut Down applications.

Cost effective signal multiplexing without a PLC!
Each transceiver module includes two contact closure inputs and is capable of driving up to ten inputs by cascading additional dual channel input modules.  A de-pluggable screw terminal on the bottom of the module is provided for connection to the input signal.  An integrated backplane allows for communications between modules with no external inter-modular connection.

Flexible design for greater output driving capacity.
Each transceiver has a single optical port for use with multi-mode or single mode optical fiber with transmissions at 850 nm or 1300 nm using industrialized ST/SMA connectors.  SPDT Form C relay outputs are provided for each channel capable of driving resistive loads with a maximum switching power of 120W, 250VA, and maximum switching current of 4A DC, AC.

Features of Ultra Electronics, NSPI modular Multi-Channel Contact Closure (MCCC)

  • Suitable for critical Safety Shut-Down applications
  • Transmits from 1 to 10 Contact Closure signals over one fiber
  • Compatible with multi-mode or single mode optical fiber
  • De-pluggable screw terminals for all wire connections
  • Integrated backplane with no external inter-modular connections
  • Visible status LED’s for power, TX/RX and channel inputs
  • Fail-Safe relay operation
  • Accepts our standard power supplies
  • Available with dual redundant, hot swappable power supplies
  • Suitable for mounting on standard 35 mm DIN rail
  • Operating range of –40 °C to 85 °C, 0-95% RH (non-condensing)
  • Dimensions (each module): 22.5 mm w x 99 mm h x 114 mm d

Regulatory certifications

  • CE
  • Class I, Division 2, Groups A, B, C, D for the US and Canada
  • ATEX, Zone-2, Category-3
Power requirements 7.5 VDC via the BUS interconnections (from any EOTec 2000 power supply module)or 12 to 30VDC
@ 400mA, via a pluggable, screw terminal block on the CC-T/CC-R module
Relay contact output SPDT Form C relay, via pluggable screw terminal, 12 to 24 AWG(0.5-2.4mm) Cage-Clamp
60W, 125VA, maximum switching power
220VDC, 250VAC, maximum switching voltage
2A switching, 3A carry, maximum current
100,000,000 cycles, minimum operational life
Contact Closure input External Dry contacts connected via pluggable, screw terminal blocks
Accepts 12 to 24 AWG, 5VDC @ 1.4mA min. contact rating, 1K ohm max. resistance
LED status indicators Power On Green, Ch. A Relay energized/input contact closed Green, Ch. B Relay
energized/contact input closed Green, Fiber Transmit – Amber
Data update rate 15mS regardless of the number of channels utilized
Ambient conditions -40°C to 85°C Operational

MCCC Fiber Optic Transmitters:

Model

Description

Optical Dynamic Range Input/Output type Fiber connector
CC-TM85 2-Channel, 850 nm, Multi-mode, Transmitter 12 dB Dry Contact Input ST
CC-TM13 2-Channel, 1300 nm, Multi-mode, Transmitter 12 dB Dry Contact Input ST
CC-TM85H 2-Channel, 850 nm, Multi-mode, transmitter 17 dB Dry Contact Input ST
CC-TS13 2-Channel, 1300 nm, Single-mode, transmitter 10 dB Dry Contact Input ST
CC-TS13H 2-Channel, 1300 nm, Single-mode, transmitter 16 dB Dry Contact Input ST

MCCC Fiber Optic Receivers:

Model

Description

Input/Output type Fiber connector
CC-RM85 2-Channel, 850 nm, Multi-mode, receiver Form C relay output ST
CC-RX13 2-Channel, 1300 nm, Multi-mode or Single-mode, receiver Form C relay uutput ST

MCCC Input/Output Modules:

Model

Description

Input/Output type Fiber connector
CC-I 2-Channel, 850 nm, input module Dry contact input N/A
CC-O 2-Channel, output module Form C relay output N/A

MCCC sower supply options:

Model

  Description

2A06  Power supply, 85 to 240VAC, 50/60Hz, or 85 to 140VDC
2A16  Power supply, 85 to 240VAC, 50/60Hz, or 85 to 140VDC, w/ diagnostics
2A08  Power supply, 24VDC
2A8  Power supply, 24VDC, w/ diagnostics

Application diagram:

Application diagram

 
Click here for more information
EOTec 2000 Multi-Channel Contact Closure (MCCC) *Legacy

EOTec 2000 Multi-Channel Contact Closure (MCCC) *Legacy

This model has been updated and replaced with the new Multi-Channel Contact Closure models, which now carry a variety of certifications and should be used in new applications. The EOTec 2000 line is still available should you need replacement parts for existing installations. Please contact us to purchase, or if you have any questions.

Overview
The EOTec 2000 fiber optic Multi-Channel Contact Closure transceiver modules for Safety-Shut Down applications are used to convert up to ten contact closure inputs into fiber optic signals for transmission over a single fiber optic link.  These units are commonly used for remote transmission over long distances (up to 16 miles), transmission through hazardous areas and alarm event triggering.

Applications for this device include long distance transmissions, lightning prone areas, transmissions through hazardous areas and Safety-Shut Down applications.

Cost Effective Signal Multiplexing without a PLC!
Each transceiver module includes two contact closure inputs and is capable of driving up to ten inputs by cascading additional dual channel input modules.  A de-pluggable screw terminal on the bottom of the module is provided for connection to the input signal.  An integrated backplane allows for communications between modules with no external inter-modular connection.

Flexible design for greater output driving capacity.
Each transceiver has a single optical port for use with multi-mode or single mode optical fiber with transmissions at 850 nm or 1300 nm using industrialized ST/SMA connectors.  SPDT Form C relay outputs are provided for each channel capable of driving resistive loads with a maximum switching power of 120W, 250VA, and maximum switching current of 4A DC, AC.

Features of Ultra Electronics, NSPI modular Multi-Channel Contact Closure (MCCC)

  • Suitable for critical Safety Shut-Down applications
  • Transmits from 1 to 10 Contact Closure signals over one fiber
  • Compatible with multi-mode or single mode optical fiber
  • De-pluggable screw terminals for all wire connections
  • Integrated backplane with no external inter-modular connections
  • Visible status LED’s for power, TX/RX and channel inputs
  • Fail-Safe relay operation
  • Accepts our standard power supplies
  • Available with dual redundant, hot swappable power supplies
  • Suitable for mounting on standard 35 mm DIN rail
  • Operating range of –40 °C to 85 °C, 0-90% RH (non-condensing)
  • Dimensions (each module): 22.5 mm w x 99 mm h x 114 mm d

Selection Guide:

MCCC Fiber Optic Transmitters:

Legacy model

New model

Description

2S07 CC-TM85  Transmitter Module, 2-Ch, ST, 850nm, MM
2S09 CC-TM13  Transmitter Module, 2-Ch, ST, 1300nm, MM
2S10 CC-TM85H  Transmitter Module, 2-Ch, ST, 850nm, MM, Hi-Powered
2S36 CC-TS13  Transmitter Module, 2-Ch, ST, 1300nm, SM, Std-power
2S46 CC-T13H  Transmitter Module, 2-Ch, ST, 1300nm, SM, Hi-powered

MCCC Fiber Optic Receivers:

Legacy model

New model

Description

2H07 CC-RM85  Receiver Module, 2-Ch, ST, 850nm, MM
2H09 CC-RX13  Receiver Module, 2-Ch, ST 1300nm, MM/SM

MCCC Input/Output Modules:

Legacy model

New model

Description

2P02 CC-I  Input Module, 2-Ch, Dry Contact
2K02 CC-O  Output Module, 2-Ch, Relay

MCCC Power Supply options:

Model

  Description

2A06  Power Supply, 85 to 240VAC, 50/60Hz, or 85 to 140VDC
2A16  Power Supply, 85 to 240VAC, 50/60Hz, or 85 to 140VDC, w/ diagnostics
2A08  Power Supply, 24VDC
2A18  Power Supply, 24VDC, w/ diagnostics
 
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FOT/FOR-CC Digital Data Link

FOT/FOR-CC Digital Data Link

Cost effective small package
The FOT-CC fiber optic transmitter and FOR-CC fiber optic receiver are deigned to transmit contact closure data over long distances. The FOT-CC transmitter provides a closed contact signal to the FOR-CC receiver, which activates a single pole double throw (SPDT) relay. They provide ground loop isolation and can be used with 50/125 to 200/230 µm fiber optic cable. The DIN-Rail housings of theses modules facilitate quick and easy mounting on industry standard hardware.

Applications
Remote switch monitoring
Remote relay / solenoid operation

Features and Benefits:

  • Transmission distances up to 5000 meters (16,400 ft.)
  • Compact DIN-Rail mounting
  • Dry contact input from devices such as push buttons, limit switches and relays
  • Form-C relay output (UL/CSA 0.6A/125Vac 2A/30Vdc)
  • Compatible with ST Fiber Terminations
  • 24 Vdc powered, matching 115/230Vac power supply available

Selection guide

Data sheet Description Input/Output type Optical connector
FOT-CC 850 MM Fiber Optic Transmitter – Contact Closure, 850 nm, Multi-mode Dry contact input ST
FOT-CC 1300 MM Fiber Optic Transmitter – Contact Closure, 1300 nm, Multi-mode Dry contact input ST
FOT-CC 1300 SM ST Fiber Optic Transmitter – Contact Closure, 1300 nm, Single Mode, Standard Power, Dry contact input ST
FOR-CC 850 MM Fiber Optic Receiver – Contact Closure, 850 nm, Multi-mode Form-C relay output ST
FOR-CC 1300 MM/SM Fiber Optic Receiver, Contact Closure, 1300 nm, Multi-mode or Single Mode Form-C relay output ST
PSM-CC Power supply, 120VAC to 24VDC 100-250VAC Input / 24VDC @ 200mA output N/A

Theory of operation:
The following chart indicates how the output relay contacts will operate on the FOR-CC provided the input contacts on the FOT-CC are wired such that they are closed in a normal operating state and open in a failure mode:

Condition FOR-CC output relay state
1. Normal condition, input closed Engergized
2. Normal condition, input open De-energized
3. Loss of power at TX De-energized
4. Loss of power at RX De-energized
5. Fiber loss (or disconnected) De-energized
6. Component failure at TX De-energized
7. Component failure at RX De-energized
 
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CTH Controls Inc.   CTH Controls Inc.
6-1500 Upper Middle Rd. W. Suite 220
Oakville, ON, Canada, L6M 0C2
Phone: 905-792-6829
Toll Free: 1-888-550-6829
Fax: 905-792-6902
sales@cthcontrols.com
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