Invensys Triconex 3664 Digital Output Module 100% Original New
Automation does not wait. The Triconex 3664 is a digital output module in our Shenzhen warehouse right now. Type: Dual DO, serial (recommended for de-energize-to-trip control programs) | Output Signals: 32, commoned | Voltage Range: 16-30 VDC. Verified before packing. 12-month warranty.
Technical Specifications
| 3664 | Stuck-On point, all others commanded state - On or Off |
|---|---|
| 3674 | Stuck-On point, all others commanded Off (de-energized) |
| Triconex 3664 Digital Output Module | is a dual-channel, 24 VDC output module that is designed for use in safety-critical applications. The module provides two isolated channels, each of which can be configured as a Form A (N.O.) or Form C (N.C.) contact. |
| Nominal Voltage | 24 VDC |
| Type | Dual DO, serial (recommended for de-energize-to-trip control programs) |
| Output Signals | 32, commoned |
| Voltage Range | 16-30 VDC |
| Maximum Voltage | 36 VDC |
| Voltage Drop | < 1.5 VDC, typical |
| Power Module Load | < 10 watts |
| Load Leakage | 2 mA maximum |
| Fuses (on Field Termination) | Not applicable—self-protecting |
| Point Isolation | 1,500 VDC minimum |
| Load Alarm, output stuck-Off | 3664 and 3674 — Stuck-Off point, all others commanded state — On or Off |
| Color Code | Dark blue |
| Manufacturer | Triconex |
| Model / SKU | 3664 |
Ships within 24 hours | 12-Month Warranty | Worldwide Delivery
Why the Triconex 3664 Matters for Your Operation
In oil and gas, every component in your control system has a specific job — and when one fails, the ripple effects can shut down an entire production line. The Triconex 3664 is a digital output module that keeps your refinery process control and pipeline compressor stations running without interruption.
Here is what this module actually does. nominal voltage: 24 VDC; type: Dual DO, serial (recommended for de-energize-to-trip control programs); output signals: 32, commoned; voltage range: 16-30 VDC. These are not generic specifications — they determine whether this module will work in your specific Triconex system. We have seen too many cases where a maintenance team ordered a replacement only to find it was the wrong revision or configuration. That is why we test every 3664 on a live Triconex rack before shipping — full signal injection across every channel, not just a visual check.
Installation matters too. The most common cause of DOA reports is not a defective module — it is bent backplane pins from forcing a module in at the wrong angle. Take your time lining up the guides. Apply even pressure. If it does not slide in smoothly, stop and check the alignment. Always wear a grounded wrist strap — static discharge from removing a fleece jacket in a dry refinery control room can exceed 15,000 volts, destroying sensitive input protection diodes instantly.
Think about your sparing strategy. A single Triconex 3664 costs a fraction of what one hour of unplanned downtime costs in oil and gas. We ship replacements within 24 hours from Shenzhen — but even 24 hours is too long if you are losing production. For critical applications, keep one cold spare on your shelf.
Compatible Parts — Same System
These modules share the same system family as the 3664. Commonly ordered together for complete rack builds or spare parts kits.
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