Triconex 5401S2 Triple Analog Output AO Module

Triconex 5401S2 Triple Analog Output AO Module (TriPak old SIS system)

Appearance of TriPak module

1、 Basic Information
Model: 5401S2
Brand: Triconex (under Schneider, formerly Invensys)
System: TriPak old generation Tricon safety instrument SIS system, same series rack as the 5481-1S2 you previously checked
Category: TMR Triple Redundant Analog Output AO Module
Origin: United States USA
Safety certification: T Ü V IEC 61508 SIL3, meets ESD and turbine interlocking specifications
Architecture: Three independent hardware channels, 2oo3 hardware voting, supporting online hot plugging
2、 Core electrical parameters
Output channel specifications
Single module with 4 analog outputs, each independent triple redundant DAC
Standard output signal: 4-20mA (mainstream), 0-10VDC optional
Load capacity: Maximum 600 Ω (compatible with valve positioner, DCS acquisition)
Resolution: 16 bit high-precision DAC
Output accuracy: Full scale ± 0.05% FS
Response time: ≤ 2ms
Isolation and protection
channel ↔ Backboard isolation: 2500VAC withstand voltage
Built in full diagnosis for open circuit, short circuit, and circuit overload
Overcurrent and overvoltage hardware protection, fail safe output loss
Power supply and power consumption
Backboard 5V power supply, full load power consumption of the whole machine is about 7W
Working current: 150mA (20-30VDC system power supply)
Environment, Machinery
Working temperature: -40 ℃~+70 ℃; Storage -40~+85 ℃
Net weight: approximately 0.5kg
Size: Standard TriPak 3U card, rack slot direct insertion installation
3、 Shutdown status (emphasis)
Original factory officially discontinued EOP: 2017
TriPak’s entire I/O line (5401, 5481, 5482, 5483, etc.) has stopped mass production synchronously;
Original factory inventory clearance period: 2017-2020. After 2020, Schneider’s original factory did not release any new complete machines;
Current supply situation: There is only a small backlog of new machines, second-hand dismantled machines, refurbished and repaired parts in the market, and it is impossible to place new orders with the original factory;
Original factory maintenance support: Original factory board level maintenance will be terminated in 2022, and the core DAC chip will be disconnected. Only third-party industrial control vendors will provide refurbishment, testing, and repair services.
4、 Simple differentiation from the same series 5481-1S2
5401S2 AO analog output 4-20mA control valve positioner and actuator
5481-1S2 AI simulation input collects on-site transmitter pressure/temperature/liquid level signals
Wan, Application Scenarios
SIS/ESD safety systems for refining, chemical, natural gas, and power plant turbine units, controlling key actuators such as emergency shut-off valves, speed control valves, and anti surge valves.
6、 Alternative solutions
Short term emergency: stock of the same model 5401S2 can be directly replaced, with fully compatible software and hardware;
Long term system upgrade: Upgrading the Tricon CX new generation AO3482 analog output module requires synchronous replacement of the host rack and reconfiguration of the program.