Name: ICS TRIPLEX T8151B Communication Interface Module - MASSIVE
Brand: Allen-Bradley

ICS TRIPLEX T8151B Communication Interface Module

Warranty： 365 days
Quality: Original module
Condition： New / Used
Warehouse: Spot
Delivery time: Shipped in 3 days after payment
WhatsApp:+86 18030274832
Mailbox:Edith@massive-plc.com

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Description

ICS TRIPLEX T8151B Communication Interface Module

Product Overview

T8151B is the intelligent Communication Interface (CI) module for Rockwell ICS TRIPLEX Trusted TMR safety‑instrumented system (SIS). It offloads all communication workload from the main TMR processor, acting as a gateway between Trusted SIS controller and external SCADA, DCS, HMI, peer‑to‑peer Trusted racks and third‑party Modbus devices. Equipped with dual 10/100 Mbps Ethernet and four galvanic‑isolated serial ports, it supports SOE sequence‑of‑event buffering up to 4000 events. It supports hot‑swap operation and can be installed in both main chassis and expander chassis. TÜV SIL 3 capable within Trusted platform. Legacy hardware, OEM manufacturing discontinued, mainly used as spare‑parts for oil‑gas, chemical and power‑plant safety‑system assetsNEX Instru….

T8151B

Typical Applications

Oil & gas / petrochemical SIS: Communication gateway for ESD emergency shutdown and F&G fire‑gas safety systems, data exchange with DCS/SCADA
Chemical plant safety system: Modbus TCP/RTU interface for third‑party instruments and monitoring platforms
Power‑plant safety control: Trusted‑to‑DCS data bridge for boiler and turbine safety interlock systems
Multi‑rack peer‑to‑peer link: Inter‑rack communication between multiple Trusted safety controllers
Off‑shore platform safety cabinet: Redundant communication for harsh offshore cabinet environments
Brown‑field retrofit & spare‑part replacement: Renewal of communication interface for existing Trusted installations

Specifications & Technical Parameters

Item	Specification
Model	T8151B Communication Interface Module
System Compatibility	ICS TRIPLEX Trusted TMR SIS platform
Ethernet Ports	2 × 10/100 Base‑T dual isolated Ethernet
Serial Ports	4 rear‑mount galvanic‑isolated serial ports (RS‑232 / RS‑422 / RS‑485)
Supported Protocols	Modbus TCP, Modbus RTU Master/Slave, Trusted Peer‑to‑Peer, ICS2000, CP2000
SOE Buffer	4000 time‑stamped sequence‑of‑event records
Power Supply	24 VDC (20‑32 VDC), powered via chassis backplane
Hot‑swap Support	Yes, online replacement without SIS shutdown
Safety Capability	SIL 3 capable within Trusted system architecture
Operating Temperature	0 ℃ ~ +60 ℃
Storage Temperature	‑25 ℃ ~ +85 ℃
Humidity	5 %‑95 % RH, non‑condensing
Indicators	Front‑panel LED indicators for power, activity, link and fault status; front diagnostic service portNEX Instru…
Mounting	Single‑slot plug‑in for Trusted main / expander chassis
Weight	Approx. 0.78 kg
Certifications	CE, UL compliant
Protection Class	IP20 (cabinet‑mount only)

Key Features & Benefits

Offload communication burden from main TMR processor: Separates external communication tasks from safety logic execution, prevents external network disturbance from affecting safety‑loop performanceNEX Instru….
Dual redundant Ethernet design: Two independent isolated Ethernet ports enhance network reliability for safety‑system gateway applications.
Four‑channel isolated serial interfaces: Flexible serial connection for Modbus RTU third‑party devices, legacy instruments and HMI equipment.
Large‑capacity SOE event buffering: Stores up to 4000 time‑stamped events locally, avoids event loss during network interruption, facilitates post‑fault analysis.
Hot‑swap maintainability: Supports online module replacement while SIS keeps running, reduces plant downtime during maintenance work.
Multiple‑protocol support: Covers Modbus TCP/RTU and native Trusted peer‑to‑peer protocol, convenient for connecting DCS, SCADA and other Trusted racks.
Front‑panel diagnostic port & LED status: Convenient for on‑site commissioning, parameter configuration and fault troubleshooting.