T7420A ICS Triplex Analogue Input Module

T7420A ICS Triplex Trusted Analogue Input Module

T7420A ICS Triplex Trusted Analogue Input Module

Availability: 20 left in stock

ICS Triplex T7420A Trusted Safety System Module The ICS Triplex T7420A, also cataloged as the T7420A Analogue Input Module, operates...

SKU: T7420A

Manufacturer: ICS Triplex
Product No.: T7420A
Product Type: Analogue Input Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 1260g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

ICS Triplex T7420A Trusted Safety System Module

The ICS Triplex T7420A, also cataloged as the T7420A Analogue Input Module, operates as a dedicated hardware component for fault-tolerant loop signal processing within Trusted TMR safety system platforms. The hardware accepts 4-20 mA current loops from field transmitters and converts the physical analog metrics into triplicated digital data streams over a redundant interface.

Hardware Specifications

Parameter	Specification
Model	T7420A
Brand	ICS Triplex (Rockwell Automation)
Origin	United States
Weight	1.26 kg
Dimensions	33 x 265 x 357 mm
Operating Temp	-20 deg C to +60 deg C
Storage Temp	-40 deg C to +85 deg C
Power Consumption	24/48 VDC system voltage
Input Signal Range	4-20 mA
Channel Count	40 isolated inputs
Resolution	12-bit (typical)
Accuracy	+/-0.1% of full scale
Isolation Voltage	2500 V between field wiring and logic circuits
Diagnostics	Open circuit, short circuit, and out-of-range detection
Certifications	IEC 61508 SIL 3, CE, UL, ATEX, IECEx

Triple Modular Redundancy and Safety Integrity

The hardware architecture executes a triple modular redundancy (TMR) 2oo3 architecture to sustain active safety loops during single-point physical or electrical faults. The component achieves definitive SIL3 certification by processing independent input legs through isolated voting circuits. Integrated galvanic isolation rated at 2500 V separates field-side wiring loops from internal logic busses to block transient faults. The microcode provides continuous fail-safe state execution, driving the processing channel to a defined safe state when out-of-range thresholds or hardware diagnostic discrepancies are detected.

Frequently Asked Questions

Q: Can the module undergo hot-swapping during live plant processing operations? A: Yes. The device features fully hot-swappable architecture, allowing live physical extraction and insertion within the Trusted chassis without dropping system power or interrupting active loop logic processing.

Q: What operational metrics are evaluated by the continuous diagnostic loops? A: The input circuitry continuously checks the 4-20 mA interface for open circuits, dead shorts, and out-of-range signaling conditions to isolate failed field loops before they impact system safety vectors.

Field Installation Guidelines

Fix the module firmly into its designated chassis slot and ensure the latching ears are fully engaged to establish robust electrical connection to the triplicated backplane.
Terminate all 4-20 mA analog signal shields at the designated single-point plant ground bar to minimize electromagnetic noise and loop interference.
Verify that external field wiring isolation ratings meet or exceed the 2500 V parameter constraint relative to adjacent industrial power lines.
Maintain vertical clearance spaces around the active rack assembly to prevent localized ambient temperatures from escalating past the 60 deg C limit.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.