Product Description:
The 4351B (TCM) is a high-performance communication interface for Tricon v10.0 and later safety-instrumented systems. It serves as the gateway for the Triple Modular Redundant (TMR) controller, enabling seamless data exchange between the Tricon chassis and external systems, including TriStation, peer controllers (Trident/Tricon), and third-party Modbus devices. It supports dual Ethernet ports and four configurable serial ports, essential for high-availability integration with DCS and SCADA platforms.
Technical Specifications:
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Model Designation: 4351B / 4351A
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System Compatibility: Tricon v10.0 or later
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Network Ports: Two 10/100 Mbps Ethernet (RJ45)
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Serial Ports: Four RS-232/RS-485 (DB9)
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Protocol Support: Modbus TCP/UDP (Master/Slave), TSAA, Trimble GPS, TriStation
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Dimensions: 16 x 16 x 12 cm
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Weight: 0.8 kg
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Status Monitoring: Front-panel LEDs for Link, Active, Fault
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Port Configuration: Port 1 (Trimble GPS), Port 4 (TriStation)
Operational Features:
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Multi-Node Connectivity: Supports up to 254 nodes in peer-to-peer networks.
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Galvanic Isolation: Protects the processor from electrical surges.
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Hot-Swap Capability: Online replacement without system downtime.
Frequently Asked Questions:
Q: Can the 4351B be used in older Tricon v9 systems?
A: No, it is designed for v10.0 and later systems. For earlier versions, use the 4328 or 4329 NCM modules.
Q: Does this module support Modbus RTU?
A: Yes, the serial ports can be configured for Modbus Master or Slave to integrate with legacy equipment.
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