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4351B | Triconex | Tricon Communication Modules

  • Brand/ Manufacturer:

  • Dimensions:

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  • Country of Origin: :

    United States
  • Description:

    Communication Module

Mfr. Part Number:





Protocols : TriStation, Modbus, TCP/IP, ICMP, SNTP, TSAA (with support for IP Multicast), Trimble GPS, Embedded OPC Server (Models 4353 and 4354), Peer-to-Peer (UDP/IP), Peer-to-Peer Time Synchronization, Jet


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Place of Origin



100% New Original


In stock

Delivery time

1-3 Days after payment


Original packing with factory sealed





After-sales Service



1 year

Shipping term


Shipping time

3-5 working days


1 Piece

Payment Term


The Tricon TMR PLC is a programmable logic controller that can accept input signals, make appropriate decisions with a main processor, and send output signals. The input and output signals can be analog or discrete digital. The PLC is modular, meaning that each of the functions are performed by various types of cards which are plugged into the main chassis of the system. Consequently, one Tricon TMR PLC can have any number of configurations. 

Each module of the Tricon TMR PLC has at least 3z2-0 redundancy meaning that one channel can be lost and the module still functions properly. The Tricon TMR PLC can be used to replace analog reactor protection or engineered safety features actuation systems in nuclear power plants. The input modules can accept input from current plant wiring, the main processor would replace the current analog and discrete logic circuits, and -the output modules can generate signals comparable to the current relays. Because these systems are critical to the safe operation of the reactor, the replacement digital PLC must have a high degree of reliability and availability. 

EPRI TR-107330 (Reference 1) has been written to specify generic requirements for qualifying PLCs for safety-related applications in nuclear plants. This calculation addresses the requirements specified in Section 4.2.3 of Reference 1 regarding the reliability and availability requirements for PLCs. For all nuclear plant applications, one Tricon TMR PLC is used for each channel of a safety system. Losing two redundant legs inside the triple redundant Tricon does not necessarily lead to a system failure. Therefore, the reliability evaluations performed in this calculation assuming the Tricon TMR PLC only has 3-2-0 redundancy are very conservative for the actual applications in nuclear plant safety systems. It should also be noted that this calculation does not address software common cause failures.

Triconex 3501E/T 115Vac/Vdc Digital Input

Triconex 3502E 48Vac/Vdc Digital Input

Triconex 3503E 24Vac/Vdc Digital Input

Triconex 3504E 24/48Vdc Digital Input

Triconex 3505E 24Vdc Digital Input

Triconex 3564 24Vdc Digital Input (simplex)

Triconex 3511 Pulse Input

Triconex 3515 Pulse Totalizer

Triconex 3601E/T 115Vac Digital Output

Triconex 3603B/E/T 120Vdc Digital Output

Triconex 3604E 24Vdc Digital Output

Triconex 3607E 48Vdc Digital Output

Triconex 3611E 115Vac Digital Output

Triconex 3617E 48Vdc Supervised Digital Output

Triconex 3623E/T 120Vdc Digital Output

Triconex 3624 24Vdc Supervised Digital Output

Triconex 3625 24Vdc Digital Output

Triconex 3664 24Vdc Digital Output (Dual)

Triconex 3674 24Vdc Digital Output (Dual)

Triconex 3636R/T Relay Output

Triconex 3700A 0-5Vdc Analogue Input

Triconex 3701 0-10Vdc Analogue Input

Triconex 3703E 0-5, 0-10Vdc Analogue Input

Triconex 3704E 0-5, 0-10Vdc (high density) Analogue Input

Triconex 3706A Thermocouple Analogue Input

Triconex 3708E Thermocouple Analogue Input

Triconex 3720 0-5Vdc Analogue Input

Triconex 3721 0 to 5 or-5 to +5Vdc Analogue Input

Triconex 3805E/H 4-20mA Analogue Output

Triconex 3806E 4-20mA and 20-320mA Analogue Output

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