T3420A ICS Triplex Analog Input Module

Triplex Regent T3420A Analog Input Module 200234

Triplex Regent T3420A Analog Input Module 200234

Availability: 20 left in stock

ICS Triplex T3420A Regent Analog Input Module The ICS Triplex T3420A, also cataloged as the T3420A Analog Input Module, operates...

SKU: T3420A

Manufacturer: ICS Triplex
Product No.: T3420A
Product Type: Analog Input Modules
Product Origin: USA
Payment:T/T, Western Union
Weight: 800g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

ICS Triplex T3420A Regent Analog Input Module

The ICS Triplex T3420A, also cataloged as the T3420A Analog Input Module, operates as a dedicated hardware component for processing differential physical voltage and current signals within Regent control networks. The module executes signal conversions across 16 analog input channels and 16 analog output channels with a 16-bit resolution rating and a sampling frequency of 1 kHz per channel. Utilizing an onboard micro-architecture, the hardware executes real-time digital filtering and enforces a 1500 V RMS galvanic isolation barrier between field-side conditioning circuits and the central logic processing backplane.

Hardware Specifications

Parameter	Specification
Model	T3420A
Brand	ICS Triplex (Rockwell Automation)
Origin	United Kingdom
Weight	0.8 kg
Dimensions	12.5 cm x 10 cm x 7.5 cm
Operating Temp	-20 to +60 deg C
Power Consumption	Not specified (24 VDC external loop supply)
Input Channels	16 Channels
Output Channels	16 Channels
Input Signal Range	0-20 mA, 4-20 mA, 0-10 V, 1-5 V
Output Signal Range	0-20 mA, 4-20 mA, 0-10 V
Resolution	16-bit
Accuracy	+/-0.1 percent of full scale
Sampling Rate	1 kHz per channel
Isolation	1500 V RMS

Triple Modular Redundancy & Safety Execution

The T3420A interface links field instrumentation directly to a triple modular redundancy (TMR) 2oo3 architecture logic platform. Internal signal pathways utilize galvanic isolation rated at 1500 V RMS to prevent common-mode voltage spikes from disrupting the voted processor backplane. When an input loop out-of-range state or internal analog-to-digital converter mismatch is detected, the module immediately commands a fail-safe state execution, driving the affected channel values to a pre-configured safe low or high state to maintain predictable process interlocks.

Frequently Asked Questions

Q: How does the T3420A module handle mixed voltage and current signals simultaneously?

A: The hardware incorporates individual channel configuration settings that define specific input ranges, allowing the concurrent processing of 4-20 mA current loops and 0-10 V voltage signals across separate pins.

Q: What is the mechanical latency introduced by the module sampling architecture?

A: The module executes analog scans at a constant rate of 1 kHz per channel, producing a fresh 16-bit digitized value every 1 ms to minimize data degradation during transient process upsets.

Q: Does the 1500 V RMS isolation safeguard the logic system against ground loops?

A: Yes, the 1500 V RMS galvanic isolation layer breaks electrical paths between the external field wiring loops and the internal processing bus, preventing ground potential differences from corrupting data.

Field Installation Guidelines

Mount the module into the designated rack chassis slot, verifying that the rear grounding fingers engage properly with the chassis earthing bar.
Route all analog signal lines using twisted, shielded pairs to mitigate electromagnetic interference in high-voltage environments.
Terminate all cable shields at a single external ground point rather than grounding both ends of the run to prevent current induction.
Maintain a minimum 50 mm clearance around the module housing to allow adequate thermal dissipation under peak operating temperatures up to 60 deg C.
Verify that the external 24 VDC power supply lines are equipped with appropriate inline fast-acting fuses to protect the input conditioning blocks.

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