Triconex 3664 cpu module 7400159-030 3664
Dual Digital Output (DDO) modules receive output signals from the Main Processors along a single parallel or series path, and applies a 2-out-of-3 voting process individually to each switch. The switches produce one
output signal which is then passed to the field termination. While the quadruplicated output circuitry on TMR
modules provides multiple redundancy for all critical signal paths, dual circuitry provides just enough redundancy to ensure safe operation. DDO modules are optimized for those safetycritical control programs where low cost is more important than maximum availability.
Model Number
Triconex 3664
Triconex
Additional Information
3664 TRICONEX 3664 CPU MODULE 7400159-030 3664
Model Number 3664
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
Current Ratings, Maximum 2A per point
10A surge per 10 ms
Load Leakage 2 mA maximum
Fuses (on Field Termination) n/a—self-protecting
Point Isolation 1,500 VDC minimum
Diagnostic Indicators
On or Off State
Module Status
Field Alarm
1 per point
PASS, FAULT, ACTIVE
LOAD/FUSE
Load Alarm, output stuck-On 3664 — Stuck-On point, all others commanded state – On or Off
3674 — Stuck-On point, all others commanded Off (de-energized)
Load Alarm, output stuck-Off 3664 and 3674 — Stuck-Off point, all others commanded state — On or Off
Color Code Dark blue
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