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Technical specifications for 3664
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Manufacturer:Invensys
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Product Category:DCS Systems
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Spare Part Number:3664
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Estimated shipping dimensions:49x45.3x6.8cm
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Weight:3.25 kg
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Tariff Code:8537101190
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Counliy of origin:USA
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Module type:Dual serial digital output
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Nominal voltage:24 VDC
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Output signals:32 commoned
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Voltage range:16 to 30 VDC
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Maximum voltage:36 VDC
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Typical voltage drop:<1.5 VDC
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Power-module load:<10 W
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Maximum point current:2 A
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Surge current:10 A for 10 ms
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Load leakage:2 mA maximum
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Output protection:Self-protecting; no field-termination fuses
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Point isolation:1500 VDC minimum
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Status indicators:1 per point; PASS; FAULT; ACTIVE; LOAD/FUSE
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Color code:Dark blue
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Compatible commoned panel:9662-610
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Compatible basic panel:9653-610
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Compatible nonincendive panel:9671-610
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Compatible ERT loop-back:9671-810
Information
Overview
Manuals
Common Applications
Product Precautions
Triconex 3664 is a thirty-two-point dual 24 VDC digital output module. It produces voted source outputs and supervises field-voltage agreement for safety-related control duties.
- Applies two-out-of-three voting to each of thirty-two output switches
- Sources 24 VDC current to commoned field loads through dual output circuitry
- Uses voltage loopback to compare commanded state with detected field voltage
- Supports online hot-spare replacement with continuous channel diagnostics
3664 installs with Tricon I/O chassis and hot-spare position, 9662-610 or compatible termination panel, 16-30 VDC field supply, solenoids, relays, or other protected DC loads in an engineered Tricon dual digital output configuration.
The commissioning workflow covers installed-hardware matching, controlled start-up and functional verification for this 32-point dual 24 vdc digital output module.
Important Notice: Confirm the complete 3664 marking, installed-system configuration, field connections and controlled functional test before commissioning or replacement.
Apter Power 3664 Manuals and Guides
Apter Power 3664 Product Technical Reference PDFApter Power 3664 Installation and Verification PDFThe first document is an Apter Power model-specific technical reference. The second supports model-specific installation, configuration and engineering verification.
De-energize-to-trip solenoid output banksSupports de-energize-to-trip solenoid output banks through the installed 32-point dual 24 vdc digital output module in a configured Tricon system.
Safety shutdown actuator commandsUses 3664 for safety shutdown actuator commands after the assigned host module, field interface and channel mapping are confirmed.
Dual-output valve manifold controlApplies the 3664 hardware arrangement to dual-output valve manifold control with controlled wiring and signal verification.
Online hot-spare DO module maintenanceProvides a defined engineering path for online hot-spare DO module maintenance, including installation checks and final functional proof.
Read the applicable Triconex installation instructions before work. Verify 3664 and the installed Tricon dual digital output configuration.
1Verify 3664 and the de-energize-to-trip application before module replacement.
2Place all commanded equipment in the approved safe state and isolate field power.
3Record thirty-two channel assignments, common supply, and expected de-energized states.
4Confirm each load stays within the two-amp point and ten-amp surge limits.
5Use a listed termination panel and preserve the sourced-output wiring arrangement.
6Use ESD controls and check module keying plus the hot-spare position.
7Command outputs individually and compare field voltage with LOAD/FUSE indication.
8Test hot-spare transfer and the final shutdown function before production release.
Technical notes
Wire field power to every used output through the approved panel, confirm per-point and surge loading, and exercise loopback plus LOAD/FUSE diagnostics before enabling safety commands.
FAQ View All FAQ
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Which installation error is most important to prevent on 3664?Do not interchange 3664 with an adjacent execution or alter its matched Tricon I/O chassis and hot-spare position; the exact electrical, channel, and connector arrangement must be retained.
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How is LOAD/FUSE loopback diagnosis handled during a 3664 replacement?Record the installed state first, isolate the associated process function, reproduce only the approved model-specific arrangement, and verify it before energization.
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Which diagnostics should be reviewed after installing 3664?Review the applicable point, module, power, communication, or load indicators for 3664, then confirm the intended role: applies two-out-of-three voting to each of thirty-two output switches.
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Can 3664 be substituted for a similar Triconex model without a configuration review?No. Confirm the exact model, companion hardware, signal execution, system version, and approved configuration before any substitution.
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What evidence should be retained after 3664 hot-spare transfer testing on 3664?Retain the full 3664 identity, as-left connections or settings, final diagnostics, measured functional-test result, and authorization to return the affected process function to service.
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Which installed hardware must be matched before fitting 3664?Match 3664 to Tricon I/O chassis and hot-spare position and 9662-610 or compatible termination panel, then confirm the complete physical marking and assigned Tricon dual digital output position.
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How should an engineer verify two-out-of-three output voting for 3664?Use the approved connection drawing and the model-specific values in Tricon Systems Technical Product Guide; preserve the as-found terminal, connector, polarity, shield, and channel identity.
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What check is required for self-protected sourced outputs when commissioning 3664?Apply a controlled signal or command within the documented range and compare the field result, controller indication, and product diagnostics before normal operation.
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