Triconex 3000656-210-REV (commonly referred to as REVA)
3000656-210-REV (the complete model is usually 3000656-210-REVA) is an analog input terminal board (AI Terminal Board) / external terminal component of Schneider Electric (formerly Invensys) Triconex Tricon SIS system, used for isolating and converting analog signals between the field and I/O cards. It has SIL3 safety level and is compatible with Tricon series controllers.
I. Model Analysis
3000656: Basic Component Number
210: Hardware Version
REV/REVA: Firmware / Revision Version (REVA is the most common)
Core Functions
Signal Conversion: Connect on-site 4–20mA/0–10V analog sensors (temperature, pressure, flow) with Tricon AI cards.
Electrical Isolation: Provide channel isolation, anti-EMI/RFI, protecting system-side I/O cards.
Terminal Expansion: Convert the high-density interface of the I/O card into screw terminals, facilitating on-site wiring and maintenance.
Safety-First: Compliant with IEC 61508 SIL3, compatible with ** triple redundancy (TMR) ** architecture.
Technical Specifications
Channels: 8 analog inputs (compatible with Tricon 3503E and other AI cards).
Signal Types: 4–20mA (default), 0–5V, 0–10V.
Isolation: 2500VAC photoelectric isolation.
Connection: Screw terminals, wire diameter 0.5–2.5mm².
Power Supply: Powered by the I/O card backplane (24VDC).
Operating Temperature: -40℃ ~ +70℃.
Size (mm): Approximately 144×64×32.
Weight: Approximately 0.5kg.
Certifications: SIL3, CE, UL, CSA.
Typical Applications
Petroleum Industry: Reactor temperature, pressure, liquid level monitoring.
Electric Power (Thermal Power / Nuclear Power): Boiler, turbine parameter collection.
Natural Gas: Compressor, pipeline pressure/flow monitoring.
Metallurgy / Water Treatment: Critical process analog signal connection to SIS system.
Compatibility and Comparison
Compatible I/O Cards: Tricon 3503E (8-channel AI), 3504E (16-channel AI).
Similar Terminal Boards:
3000657-210: Digital Input Terminal Board.
3000658-210: Digital Output Terminal Board.
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