ICS TRIPLEX T9881 Analog Output Field Termination Assembly

Technical Specifications

Model:T9881

Brand:ICS TRIPLEX

Product type:AADvance 8-channel simplex isolated analog output FTA

System series:AADvance SIS

Matching module:T9481 analog output module

Mounting:DIN rail mounting

Output channels:8 isolated analog output channels

Signal support:4~20mA,0~10V

Protection:50mA field replaceable fuses per channel

Wire gauge:Max 16AWG (1.31mm²)

Galvanic isolation:Channel group isolation

Operating temperature:-20~+70℃

Relative humidity:5~95% non-condensing

Weight:0.43kg

Certification:CE,TÜV,SIL3

System compatibility

T9881 belongs to ICS TRIPLEX AADvance safety instrumented system,DIN rail mounted outside main rack. It serves as field termination and signal conditioning unit for T9481 AO module,transmitting analog control signals to valve positioners and field actuators. Widely deployed in oil & gas,petrochemical and power plants for ESD and fire & gas safety applications.

Function

T9881 serves as high integrity simplex isolated analog output termination unit of AADvance SIS. It provides screw terminal connection,per-channel fuse protection and surge suppression for 8-channel analog output signals. It converts AO module signals for field valve control,designed for simplex safety configuration.

Installation

Mount T9881 on standard DIN rail inside control cabinet. Wire field valve positioners to T9881 terminal blocks,connect signal cable from FTA to T9481 analog output module. Verify output signal and load diagnostics via AADvance Workbench engineering software.

Interface

‑Field screw terminal blocks for 8-channel analog output wiring

‑Replaceable 50mA fuses for each channel

‑Signal output terminals to T9481 AO module

‑Onboard surge suppression circuit

‑Screw type terminals for secure field wiring

Circuit feature

Rugged compact PCB design,built-in surge and overvoltage protection circuit. Group isolated design reduces cross-channel interference,fully compliant with SIL3 functional safety hardware specifications.

Feature

T9881 is spare simplex isolated analog output FTA for ICS TRIPLEX AADvance SIS. Common faults include blown fuses,terminal loosening and load wiring open/short circuit. Confirm AO module model before replacement.

Diagnostic

When wiring fault,load abnormality or onboard hardware failure is detected,the module triggers fault alarm and uploads diagnostic messages to safety workstation.

Built‑in function

Field analog signal termination,per-channel fuse overcurrent protection,surge suppression and conditioned signal transmission for T9481 analog output module,used as SIS simplex AO FTA spare replacement.

Product Brief

T9881 is ICS TRIPLEX SIL3 AADvance 8-channel simplex isolated analog output FTA,DIN rail mounted,matched with T9481 AO module for valve positioner analog control signal termination in simplex safety system. Verify system firmware compatibility before ordering. ESD anti-static protection must be followed during handling installation.