




Product Description
Product Overview
Category |
Details |
---|---|
Manufacturer |
Triconex (Schneider Electric) |
Model/Part Number |
3664 |
Description |
Digital Output Module for 24 VDC control, designed for dual serial outputs in safety-critical de-energize-to-trip applications. |
Key Features
-
32 commoned digital output channels
-
Dual, serial output type (supports de-energize-to-trip logic)
-
Nominal 24 VDC operation with wide voltage range
-
Output status and diagnostic indicators per point
-
Self-protecting outputs (no field fuses required)
-
Designed for use with Triconex Safety Instrumented Systems
-
Compatible with Model 3674 for alternate alarm behavior
Technical Specifications
Specification |
Details |
---|---|
Model Number |
3664 (also available: 3674 variant) |
Output Type |
Dual, serial |
Nominal Voltage |
24 VDC |
Voltage Range |
16–30 VDC |
Maximum Voltage |
36 VDC |
Voltage Drop (Typical) |
< 1.5 VDC |
Current Rating per Point |
2 A |
Surge Current |
10 A for 10 ms |
Load Leakage |
≤ 2 mA |
Power Module Load |
< 10 W |
Point Isolation |
≥ 1500 VDC |
Fuses |
None (self-protecting design) |
Diagnostic Indicators
Indicator |
Function |
---|---|
Output Status |
ON or OFF state shown per point |
Module Status |
PASS, FAULT, ACTIVE |
Field Alarm |
LOAD/FUSE — indicates load or fuse issues |
Load Alarm (Stuck-ON) |
3664: Only stuck point ON; others follow command 3674: Stuck point ON, all others OFF |
Load Alarm (Stuck-OFF) |
3664 & 3674: Stuck point OFF; others follow command |
Physical Characteristics
Attribute |
Details |
---|---|
Color Code |
Dark Blue |
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