TRICONEX 3721 DC Coupled Analogue Input Module

Based on over 5000 reviews

Description:TRICONEX 3721 is a 32-channel, DC-coupled, differential analogue input module offering 0–5 V / ±5 V / 0–10 V / ±10 V ranges, 16-bit resolution and triple-module redundancy.

Product condition: New

Packing condition:Factory Packing

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32-channel “volt-meter on steroids” that turns your Tricon into a SIL-3 data laboratory


1. 3721 = 32 × Differential “Lab-Grade” Inputs

Need to watch 32 pressure transmitters, flow elements or ±10 V servo valves in true real-time? 3721 gives every single one its own 16-bit A/D, DC-coupled, 120 dB CMRR and 10 ms refresh. No multiplexing, no phase-lag, no kidding.


2. TMR Inside, Noise Outside

Triple converters vote on every sample; bad channel auto-disqualified and flagged. Result: 0.05 % FS accuracy even when your VFD is screaming at 50 m away. Certified IEC 61508 SIL 3 by TÜV, so the safety auditor smiles instead of writes.


3. Creative Table – One Glance, All Answers

Feature

3721 Party Piece

Why It Matters

Channels

32 diff., DC-coupled

One card = entire skid, saves 2 slots

Range

±10 V, ±5 V, 0-10 V, 0-5 V, 4-20 mA (ext. 250 Ω)

Covers every sensor spec sheet you’ll ever see

Resolution / Accuracy

16-bit, 0.05 % FS

Lab-grade without the lab price

Update

10 ms per channel

Fast enough for surge-control loops

Isolation

500 V ch-to-system

Ground-loop? What ground-loop?

Diagnostics

Open-wire, short, over-range, TMR mismatch

Predictive maintenance tweets itself

Harsh Rating

–40 °C to +70 °C, 5-95 % RH

Works in Siberia or Sahara

Hot-swap

Yes, online replacement

Zero process interruption

 


4. One-Stop Automation Mall

Foxboro | GE | Siemens | Moore | Emerson | Ovation | Bently Nevada | ABB | ICS | TRICONEX | Honeywell | Westinghouse | Epro | Yokogawa | Allen-Bradley | Schneider | HIMA | Woodhead | Woodward
If it runs a plant, we stock it.


What happens next?

 



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