3703E Triconex Tricon 3000 Series Datasheet & Technical Manual

Analog Input Modules | Triconex 3703E Tricon 3000 Series

Analog Input Modules | Triconex 3703E Tricon 3000 Series

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Triconex 3703E Tricon 3000 Series Module The Triconex 3703E serves as the primary 3703E Isolated Analog Input Module utilized to...

رمز المنتج: 3703E

Manufacturer: Triconex
Product No.: 3703E
Product Type: Analog Input Modules
Product Origin: USA
Payment:T/T, Western Union
Weight: 1500g
Shipping port: Xiamen
Warranty: 12 months

وصف التقييمات

Triconex 3703E Tricon 3000 Series Module

The Triconex 3703E serves as the primary 3703E Isolated Analog Input Module utilized to execute continuous voltage and current loop validation across Tricon 3000 Series SIS platforms. The hardware acquires variable analog signals from field transmitters, digitizing and resolving the physical data via triple-redundant bus pathways to prevent measurement single-point failures.

Hardware Specifications

Parameter	Specification
Model	3703E
Brand	Triconex (Schneider Electric)
Origin	United States
Weight	1.5 kg (Shipping Weight: 4 kg)
Dimensions	177.8 mm x 101.6 mm x 228.6 mm
Operating Temp	0 to 60 deg C
Power Consumption	Backplane distributed
Input Channels	16 isolated analog inputs
Input Voltage Range	0-5 VDC or 0-10 VDC, + 6%
Input Current Range	0-20 mA (via external 250 Ohm or 500 Ohm shunt resistor)
Input Update Rate	50 ms
Resolution	12 bits
Accuracy	< 0.15% of FSR (from 0 to 60 deg C)
Input Resistance	30 MOhm (DC) minimum (Power-Off: 30 MOhm minimum)
Common Mode Rejection	-90 dB @ 60 Hz minimum, -100 dB @ DC minimum
Common Mode Range	+200 V peak
Normal Mode Rejection	-3 dB @ 8 Hz, -17 dB @ 60 Hz, -23 dB @ 120 Hz
Input Overrange Protection	150 VDC / 115 VAC continuous
Leg-to-Leg Isolation	20 kOhm typical
Architecture	Triple Modular Redundancy (TMR) 2oo3
Safety Integrity Level	SIL3 (IEC 61508 / IEC 61511)
Certifications	IEC 61508 SIL3, TÜV, CE, UL Class I Div 2, ATEX Zone 2

Triple Modular Redundancy and Safety Integrity

The analog processing sub-assembly utilizes a triple modular redundancy (TMR) 2oo3 architecture consisting of three hardware legs running parallel safety logic paths. Internal signal verification mechanisms depend on continuous leg-to-leg monitoring and isolation matrices to identify drifting operational values. If a single channel deviates beyond calibrated tolerances, the internal voter logic isolates the discrepant processing leg and maintains deterministic fail-safe state execution across the system loop. This continuous hardware voting and isolated topology secure system operation under strict IEC 61508 SIL3 safety parameters.

Frequently Asked Questions

Q: What are the physical operational limitations during an online hot-swap procedure?

A: The module supports online hot-swap replacement directly within the active chassis rack. Technicians extract the module while the backplane remains energized, allowing the secondary redundant modules or adjacent processing networks to maintain active logic solver execution without causing spurious shutdown initialization.

Q: How does the circuit architecture protect the input logic against field wiring overvoltage faults?

A: The module integrates continuous input overrange protection rated up to 150 VDC or 115 VAC. This hardware protection layer prevents high-voltage spikes and surges from breaching the leg-to-leg isolation matrix, protecting the core processing backplane from structural degradation.

Field Installation Guidelines

Mount the module vertically inside the designated slot position of the Tricon 3000 Series SIS rack. Confirm that the physical alignment guides match the backplane connector matrix perfectly before fully engaging the faceplate locking screws. Field personnel must route all low-level analog circuits through a compatible termination baseplate, applying a 250 Ohm shunt for 5 V scaling or a 500 Ohm shunt for 10 V current loops. Terminate all overall cable shields directly at a low-impedance instrument ground bus. Maintain independent cable routing pathways for low-voltage signaling lines away from high-power AC lines to suppress electromagnetic interference (EMI).

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