Triconex 3502EN2 Digital Input Module

Frequently Asked Questions (FAQ)

Q1: Is the 3502EN2 module single-channel or redundant input?
A1: The 3502EN2 is a TMR (Triple Modular Redundant) module with three isolated input channels (A, B, C).

Q2: Does the module support hot-spare operation?
A2: Yes, it supports hot-spare configuration. The system can automatically switch to the standby module in case of a fault.

Q3: Does the module feature self-diagnostics?
A3: Yes, it can detect stuck-ON conditions and force the input to a safe OFF state.

Q4: Are there individual LED indicators for each input point?
A4: Yes, each input point has a dedicated LED to show its real-time status.

Q5: Can the module handle both AC and DC inputs?
A5: Yes, it supports 48 VAC and 48 VDC input signals.

Q6: Does the module filter input signals?
A6: Yes, it has built-in input filtering with a typical delay of 4 milliseconds.

Q7: What is the module’s operating temperature range?
A7: It operates between 0°C and 60°C, suitable for industrial environments.

Q8: Is data consistency with the main processor ensured?
A8: Yes, it communicates over Tricon’s triplicated bus and uses input voting to ensure data integrity.

3502EN2 Digital Input Module Triconex

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