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T3420A ICS Triplex Analog Input Module with 16-bit ADC, Hot Replaceable Design

T3420A ICS Triplex Analog Input Module with 16-bit ADC, Hot Replaceable Design

T3420A ICS Triplex Analog Input Module with 16-bit ADC, Hot Replaceable Design
T3420A ICS Triplex Analog Input Module with 16-bit ADC, Hot Replaceable Design
Categories ICS Triplex
Brand Name: ICS triplex
Model Number: T3420A
Place of Origin: USA
MOQ: 1
Price: 66USD
Payment Terms: T/T
Supply Ability: in stock
Delivery Time: 2-3 work days
Packaging Details: Brand new and original
Operating Temperature: -40°C to +70°C (-40°F to +158°F)
Storage Temperature: -50°C to +85°C (-58°F to +185°F)
Number of Channels: 16 channels
Resolution: 16-bit ADC
Current: 4–20 mA, 0–20 mA
Supply Voltage: 24 V DC (±10%) redundant inputs
Power Consumption: ≤5 W (typical)
Isolation: 1500 V AC
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Company Info.
AMIKON LIMITED
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T3420A ICS Triplex Analog Input Module with 16-bit ADC, Hot Replaceable Design

T3420A ICS Triplex Analog Input Module
T3420A ICS Triplex Analog Input Module front panel and technical diagram
Technical Specifications
Input Configuration: 16 single-ended or 8 differential voltage inputs
Fault-Tolerant Operation: Supports parallel connection with redundant modules
Current Input Interface: Interfaces via external 250 Ω resistors (included in T3325XX termination blocks)
Hot Replaceable: Module replacement without system shutdown
Configurable Input Ranges: Jumper-selectable for flexibility
High-Resolution Conversion: 12-bit analog-to-digital resolution (1:4096)
Sample Rate: 1.8 ms (differential) or 3.6 ms (single-ended) for all channels
Special Versions: 60 Hz rejection (T3420A) and fast response (T3420AF)
Electrical Isolation: 2500 V isolation between analog and digital circuits
Front Panel Indicators: Individual LEDs for module active and fault status
Certification: TÜV certified for safety, Risk Class 5
Analog input module signal processing workflow diagram
Operation Workflow
1
Signal Conditioning & Conversion
Analog field signals are conditioned and multiplexed into an analog-to-digital converter. Signals are converted into 12-bit digital data stored in the module's RAM. Digital logic circuits are optically isolated from analog signals for protection against field transients and overvoltages.
2
Data Requests from Processor Modules
Processor modules send triplicated read data requests over the I/O Safetybus. The module votes the processors' addressing and data requests, preventing upstream I/O Safetybus failures from affecting module operation. The voted result is passed to the I/O bus interface logic.
3
Retrieving Analog Data
Upon receiving the voted read request, the I/O bus interface logic retrieves analog data values from RAM. Data is placed into three independently powered bus drivers, preventing single driver failures from affecting other I/O busses.
4
Data Transmission to Processors
Bus drivers transmit data via the backplane I/O Safetybus to I/O transceiver modules, which forward data to processors.
5
Data Packaging
12-bit analog input data is packaged as a 16-bit integer: least significant 12 bits represent the analog value (0-4095), with two remaining bits used to flag alarms.
Analog input module data packaging and alarm flagging diagram Module testing and identification procedures
Testing & Diagnostics
1
Voter Circuit Testing
Processor modules periodically test each module's voter circuits by sending discrepant data through one I/O Safetybus leg. Failure to return correct majority-voted result triggers I/O module error indication at processors and module fault indication at I/O module.
2
Module Identification
Each module type has a unique identification code read by the controller, enabling proper module type detection and addressing. Removal or replacement with different types generates I/O module errors.
3
Loopback Logic Testing
Periodic write-and-read-back operations verify proper functioning of the module's I/O bus interface logic.
Amikon legacy industrial components inventory and support
Legacy System Support
Finding components for legacy systems is a headache. We make it easy.
At Amikon, we specialize in the gear you can't find in the catalog anymore. Our Hong Kong facility contains over 63,000 sq. ft. of inventory designed to keep your "old reliable" machines running for another decade.
What we stock:
  • PLCs
  • HMIs
  • DCS
  • Panel Controllers
  • VFDs
What you get:
  • Continuity: Keep your operations smooth without forced upgrades
  • Responsiveness: Fast service for hard-to-find components needed urgently
  • Value: High expertise, competitive pricing, no nonsense
Let's keep your legacy running.
Miya Zheng
Sales Manager

Email: sales@amikon.cn
Direct: +86-18020776792
Product Tags:

16-bit ADC Analog Input Module

  

Hot Replaceable ICS Triplex Module

  

1500 V AC Isolation T3420A Module

  
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T3420A ICS Triplex Analog Input Module with 16-bit ADC, Hot Replaceable Design

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