3510

Product Overview

The 3510 is a Triconex Pulse Input Module with 8 AC‑coupled, non‑commoned input points, designed for TMR (Triple Modular Redundant) applications with frequency measurement from 20 Hz to 20,000 Hz.

General Specifications

• Color Code: Light Purple
• Number of Input Signals: 8, non‑commoned
• Input Frequency Range: 20 Hz to 20,000 Hz

Accuracy

• @ 1,000 Hz to 20,000 Hz: ±0.01%
• @ 100 Hz to 999 Hz: ±0.1%
• @ 20 Hz to 99 Hz: ±1.0%

Input Characteristics

• Input Type: AC‑coupled, balanced differential
• Update Rate: 50 ms (typical)
• Load Impedance: > 8 kΩ, 20 kΩ typical
• Common Mode Range: –100V to +100V peak‑to‑peak
• Normal Mode Range: 2.0V to 200V peak‑to‑peak (below 20 Hz); 1.5V to 200V (20 Hz to 15,000 Hz); 2.0V to 200V (above 15,000 Hz)
• Over‑Range Protection: ±150 VDC continuous
• Hysteresis: 150 mV (typical)

Diagnostic & Monitoring

• Input Diagnostic Fault Coverage: 0.5% of full scale
• Minimum Input Change: 1 scan or 210 ms (whichever is greater)
• Input Change Sample Period: 10 samples
• Minimum Period of Mis‑compares: 10 samples

Status Indicators

• Input Activity: 1 per point
• Module Status: Pass, Fault, Active

Logic Power

• Logic Power Consumption: < 20 watts

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