Product Name: System Cable
Brand Name: TRICONEX
Model Number: 3708E
Place of Origin: USA
Warranty: 12 Months
Whatsapp：+86 18020776782
Email：[email protected]
Description
The Triconex 3708E is a 16-channel, isolated thermocouple input module engineered for the Tricon safety instrumented system (SIS). It supports multiple thermocouple types (J, K, T, E) and provides high-fidelity temperature monitoring for critical processes. With its TMR architecture, the module performs continuous, independent diagnostics on all 16 channels, utilizing mid-value selection algorithms to maintain operation even in the event of internal channel faults.
Main Function
The Triconex 3708E is designed to provide high-precision, isolated temperature measurement in safety-critical industrial applications. It acquires variable voltage signals from thermocouple sensors, performs on-board linearization and cold-junction compensation, and transmits the converted digital data to the system’s main processors using a Triple Modular Redundant (TMR) architecture to ensure fault-tolerant data integrity.
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Minimum Order Quantity |
1 Piece |
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Price |
Contact for Winnie |
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Packaging Details |
Original new Factory Sealed |
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Delivery Time |
3–7 Days |
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Payment Terms |
T/T |
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Shipping Method |
DHL / FedEx / UPS / TNT |
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Supply Ability |
In stock |
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Sales: |
Email: |
Whatsapp: |
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JIM |
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Manufacturer |
TRICONEX |
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Product Type |
Thermocouple Isolated Analog Input Module |
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Part Number |
3708E |
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Input Channels |
16 differential, isolated |
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Thermocouple Types |
J, K, T, E |
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Input Update Rate |
50 ms maximum |
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Input Impedance |
30 MΩ (DC), minimum |
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Common Mode Range |
±200 VDC maximum |
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Noise Rejection (60 Hz) |
-90 dB minimum (Common Mode) |
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Operating Temperature |
0°C to 60°C (32°F to 140°F) |
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Storage Temperature |
-40°C to 85°C |
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Logic Power |
< 15 watts |
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Input Protection |
110 VAC continuous |
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Estimated shipping dimensions |
2.1x40.2x39.8cm |
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Weight |
2.14kg |
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Place of shipment |
Xiamen, China |
Superior Fault Tolerance: The Triconex 3708E utilizes TMR technology, allowing the module to maintain normal operation even with up to two faulty channels.
High Isolation: Differential, isolated inputs protect against electrical noise and ground loops in industrial environments.
Operational Continuity: Supports "Hot-Spare" capability, allowing for online replacement of faulty modules without system downtime.
Advanced Diagnostics: Each channel performs continuous auto-calibration and diagnostic testing; any fault is reported via front-panel LED indicators and a system chassis alarm.
Cold Junction Compensation: Built-in, with dedicated "CJ Fault" indicator for sensor health monitoring.
TriStation Configurability: Supports software-configurable burnout detection (upscale or downscale).
Comprehensive Indicators: Includes "PASS," "FAULT," "ACTIVE," and "CJ FAULT" indicators for rapid status assessment.
Mechanically Keyed: Designed to prevent incorrect installation in a configured chassis.
Industry Applications: Commonly deployed in Oil & Gas production, chemical processing, power generation, and pharmaceutical manufacturing where reliable temperature data is critical.
Installation: Requires a separate External Termination Panel (ETP) for field wiring; utilizes a cable interface to the Tricon backplane.
Safety: Designed for high-integrity safety instrumented systems, complying with TMR architecture standards to prevent single-point failures.
The Triconex 3708E requires the use of TriStation software to define the thermocouple type and burnout detection parameters per channel. Users must ensure that a uniform temperature is maintained across the thermocouple termination module to prevent errors caused by temperature gradients.
Q1: Can the Triconex 3708E be replaced while the system is running?
A1: Yes, the Triconex 3708E supports "Hot-Spare" capability, which allows for the online replacement of a faulty module without requiring a system shutdown.
Q2: What does the "CJ FAULT" indicator on the 3708E mean?
A2: The "CJ FAULT" indicator on the Triconex 3708E signals a fault in the cold junction compensation sensor, which is essential for accurate thermocouple measurement.
Q3: Does the Triconex 3708E require a special termination panel?
A3: Yes, the Triconex 3708E requires a separate, compatible External Termination Panel (ETP) connected to the Tricon backplane via a specific cable interface.
Q4: How does the Triconex 3708E handle channel faults?
A4: The Triconex 3708E performs ongoing diagnostics on every channel; if a fault is detected, it activates the module's "FAULT" indicator and a chassis alarm, but the module continues to function normally provided at least one of the three TMR channels is operational.
Q5: Are thermocouple types configurable on the 3708E?
A5: Yes, each Triconex 3708E module is programmable via TriStation software to support a specific thermocouple type (J, K, T, or E).
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