GE 8810-HI-TX-01 8-Channel Safety AI Module

8810-HI-TX-01 is an 8-channel safety analog input module for Emerson PAC8000 SafetyNet SIS system, supporting 4-20mA field transmitter signals with built-in HART pass-through function. It features 250VAC reinforced isolation between field circuits and Railbus backplane, delivering 16-bit high-precision signal conversion for pressure, flow and temperature measurement loops in hazardous process sites.

This SIL2 certified safety I/O board is a core maintenance spare for petrochemical, gas and power safety interlock systems. It supports hot-swap replacement without full system shutdown, front panel LED indicators detect open circuit, short circuit and overrange faults, and conformal coated PCB resists damp and corrosive factory atmospheres.

Main Specifications

• Brand: GE / Emerson; Model: 8810-HI-TX-01; Series: PAC8000 SafetyNet SIS I/O
• Channel Layout: 8 single-ended analog input channels, standard 4–20mA signal range
• Signal Performance: 16-bit resolution, ±0.1% full span accuracy, 25ms single-channel response time
• HART Function: HART pass-through communication, supports remote transmitter parameter reading & modification
• Isolation Rating: 250VAC galvanic isolation between field side and control backplane Railbus
• Safety Certification: IEC 61508 SIL2 safety integrity level, Class 1 Div.2 hazardous area compliant
• Power Consumption: 70mA system side + 50mA field side, single standard rack slot installation
• Environment: Operating 0℃ ~ +60℃, storage -40℃ ~ +85℃, 5%–95% RH non-condensing, IP20 cabinet grade
• Diagnostics: Built-in open/short circuit detection, high/low process alarm logic, front status LED lights
• Compatibility: Matches PAC8000 safety rack, safety logic controllers and 8914-PSAC power supply unit
• Certifications: CE, UL, FM industrial explosion-proof & EMC certification

Core Functions

• Collect 4-20mA analog signals from field smart transmitters, convert analog values to digital data for safety logic controller processing.
• HART transparent transmission allows operators to read transmitter diagnostic data, calibrate sensors and adjust parameters without extra wiring.
• High isolation barrier blocks industrial ground loop interference and voltage surges, protecting core safety controller hardware from damage.
• Automatic line fault diagnosis triggers alarm signals when sensor cables break or short-circuit, eliminating blind monitoring risks for safety loops.
• Hot-swappable modular design allows single module replacement without system power-off, minimizing production downtime for continuous hazardous process plants.
• SIL2 safety architecture ensures stable signal acquisition under abnormal working conditions, meeting strict emergency shutdown (ESD) and fire & gas control requirements.

Application Scenarios

• Safety analog input spare replacement for PAC8000 SIS control racks in thermal power plants and natural gas pipeline emergency shutdown systems.
• HART-capable signal acquisition spare parts for petrochemical refineries, chemical reactors and oil tank fire & gas monitoring cabinets.
• Maintenance backup inventory for coal chemical plants, offshore platform safety control systems and municipal gas pipeline automation workshops.
• Matching safety I/O accessory paired with PAC8000 safety logic controllers, 2/3/4-wire HART transmitters and safety rack power supplies.
• Retrofit replacement components for aging safety systems featuring signal drift, communication failure and cable fault detection loss issues.

• Global aftermarket spare stock for automation maintenance teams managing Emerson PAC8000 safety instrument systems worldwide.