TRICONEX 9671X-810 Digital Input Terminal Base Plate

I. Basic Model Information
Brand: TRICONEX (Conjicson of Schneider, formerly Invensys)
Standard Part Number: 9671-810, Industry Abbreviation: 9671X-810
Ownership Platform: Tricon TMR Triple Redundancy SIS/ESD Safety Instrumentation System
Category: DI External Terminal Panel (Digital Input Termination Panel), Intermediate Base for Switching Signals from Field Switches and Host I/O Cards
Safety Certification: TÜV Certification, IEC 61508 SIL3, Meeting AK6 Fault Tolerance Level

Model Meaning
9671: High-density Digital Input Terminal Panel Series
810: Hardware Version, Channel Configuration, Terminal Circuit Configuration (Not Interchangeable with 820/830)
X: Industry Annotation Suffix, Original Factory Standard Naming does not have X, Complete Order shall be in 9671-810

Core Function Positioning
Field Relay Point Signal Conversion
Connect pressure switches, temperature switches, ESD Emergency Stop, limit switches, vibration high/low, unit overspeed, etc. digital switch quantity signals;
Electrical Isolation and Surge Protection
Built-in Channel Isolation Circuit, Lightning Absorption Circuit, Isolating Strong Interference at the Field, Protecting Host I/O Cards;
TMR Three-Channel Signal Distribution
Single-channel Field Signal Synchronously Distributed to Three Independent Channels of the Triple Redundant DI Cards to Complete Three-out-of-Two Hardware Voting;
Fault Loop Diagnosis
Real-time reporting of open circuit, short circuit, loop abnormality to the controller, recording of channel failure events;
Plug-in Screw Terminals
Convenient for on-site wiring and maintenance, supporting online replacement of terminal boards without interrupting system safety logic.

Key Hardware Parameters
Channel Configuration: High-density multi-channel 24VDC Digital Input Circuits, Supports Passive Relay Points
Electrical Isolation: Channel-to-Logic Side 1000VDC Isolation, Anti Common-Mode Interference
Power Supply: Rack Backplane DC24V, System Power Consumption Approximately 5W
Environmental Specifications
Operating Temperature: -40℃ ~ +70℃ (Power Plant, Chemical Plant Wide Temperature Enclosure)
Protection: IP20 Enclosure Installation, Metal Reinforced PCB
Installation: Standard 19-inch Rack Slot Installation, Compatible with Special Elco Multi-core Cable Connecting Host DI Cards
Size: 483×133×305mm, Standard Rack Height Unit

System Component Assembly
Triple Redundant Digital Input Cards (Host Rack Card)
Terminal Base: 9671-810 (9671X-810)
TMR Special Multi-core Connection Cable
Tricon Main Controller, P8312 Expansion Cabinet Adapter
Upper-level Communication: Modbus TCP Interface with ABB 800xA, GE Mark VIe, Cimplicity Monitoring
Complementary Monitoring: Ingersoll Rand 3500 Vibration TSI, UNITROL Excitation System Open Lock Signal Collection

Typical Application Scenarios
ESD Emergency Stop in Petrochemicals, Compressor SIS Safety Interlock System
Over-speed, vibration, oil pressure, temperature protection circuits of thermal power plants / gas turbine units
Self-owned power station of steel mills, air separation device boiler safety instrument system
Oil and gas long-distance pipelines, storage tank area pressure liquid level safety interlock