3700

Product Overview

The 3700 is a Triple Modular Redundant (TMR) Analog Input Module for Triconex safety systems, providing 32 differential DC‑coupled analog input points.

General Specifications

• Type: TMR Analog Input Module
• Number of Input Points: 32, differential, DC‑coupled
• Isolated Points: No
• Color Code: Yellow

Input Specifications

• Input Update Rate: 55 ms
• Resolution: 12 bits
• Accuracy: < 0.15% of FSR, from 0°C to 60°C
• Input Resistance (Load): 30 MΩ (DC), min.
• Power‑Off Resistance: 30 kΩ (DC), typical
• Current Range: 0‑20 mA with 250Ω shunt

Common Mode & Isolation

• Common Mode Rejection: –80 dB (DC‑100Hz), typical
• Common Mode Range: –12V to +12V peak
• Leg‑to‑Leg Isolation: 200 kΩ, typical

Normal Mode Rejection

• @ 8 Hz: –3 dB
• @ 60 Hz: –17 dB
• @ 120 Hz: –23 dB

Protection

• Input Overrange Protection: 150 VDC / 115 VAC continuous

Diagnostic Indicators

• Module Status: Pass, Fault, Active

---

Download 3700 PDF file here:

Click to Download PDF