IS230TNTCH4C - Thermocouple Input Assembly

SPECIFICATIONS

Part Number: IS230TNTCH4C
Manufacturer: General Electric
Series: Mark VIe
Function: Thermocouple Input Assembly
Size 17.8 cm wide x 33.02 cm high
Temperature -30 to 65oC
Operating humidity: 5 to 95% non-condensing
Availability: In Stock
Country of Manufacture: United States (USA)

Functional Description

IS230TNTCH4C is a Thermocouple Input Assembly manufactured by General Electric. It is a part of Mark VIe control system. The Assembly supports a full-scale thermocouple input range from -8.0 mV to +45.0 mV. This allows for precise monitoring and conversion of thermal energy into readable electrical signals, which are then utilized for real-time process control and diagnostics.

Processor Functionality

• At the core lies a processor board that interfaces with an acquisition board specifically tailored to the I/O pack function. When input power is applied to the system, a soft-start circuit is triggered, gradually increasing the voltage supplied to the processor board. This controlled ramp-up ensures stable power delivery, reducing the risk of damage due to inrush currents.
• Once power is stabilized, the processor's local power supplies are activated in a defined sequence, after which the processor reset is lifted. The processor then executes its self-test routines to verify internal health and system integrity. Following a successful self-check, the processor loads the application-specific code stored in its flash memory. This code is tailored to the I/O pack type, ensuring that the module operates in harmony with its designated acquisition and terminal boards.
• To verify compatibility, the processor reads board identification (ID) information, checking that the application code matches the associated hardware components. Upon validation, the processor initiates Ethernet communication by sending a network address request using the Dynamic Host Configuration Protocol (DHCP). This request includes a unique identifier retrieved from the terminal board, allowing the system to establish a secure and accurate network connection.
• Once Ethernet initialization is complete, the processor programs the on-board logic, initiates the application, and enables the acquisition board to begin normal operation. This well-coordinated sequence ensures that the thermocouple inputs are accurately read and transmitted for use in monitoring, control, and diagnostic applications within the Mark VIe environment. The result is a robust, high-performance input assembly that contributes to the reliable and efficient operation of critical industrial systems.

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FREQUENTLY ASKED QUESTIONS

What is IS230TNTCH4C?
It is a Thermocouple Input Assembly manufactured and designed by General Electric.

How does the processor in the module function?
The processor board is powered via a soft-start circuit and performs a self-test upon initialization. It loads application-specific code from flash memory, verifies board compatibility, and establishes Ethernet communication using DHCP. Once initialized, it enables the acquisition board to begin reading thermocouple data.

How is the Ethernet address assigned to the module?
The processor requests a network address using the Dynamic Host Configuration Protocol (DHCP). It includes a unique identifier obtained from the terminal board to ensure accurate network configuration.