AI3351 | AI 3351 | Triconex Analog Input Module

The Triconex AI 3351 Analog Input Module is a reliable and fault-tolerant component designed for industrial applications.

Independent Input Channels: Three channels for redundancy and accuracy using mid-value selection.
Fault Tolerance: Operates correctly with one or more channel failures.
Diagnostics: Continuous monitoring with Fault indicators for channel-level faults.
Hot Sparing: Allows for online replacement or backup without interrupting operations.
Mechanical Keying: Prevents incorrect installation.

Feature	Specification
Points	32, commoned
Nominal Input Current	4–20 mA DC
Operational Current Range	2–22 mA DC
Absolute Maximum Field Voltage	33 V DC
Absolute Maximum Reverse Field Voltage	-0.6 V DC
Absolute Maximum Input Current	50 mA DC
Input Bandwidth (3 dB)	16 Hz
Source Impedance	180 Ω
Input Impedance (with Baseplate)	250 Ω
I-to-V Resistor	100 Ω, ±0.01%
Resolution	12 bits
Absolute Error	0.15% of full scale (20 mA)
Diagnostic	Force-to-Value Diagnostic (FVD)
Scan Time	<1 ms for all 32 points
Functional-to-Protective-Earth Isolation	500 V DC, minimum
Functional-to-Functional-Earth Isolation	800 V DC, minimum