IS220PSCHH1A - Serial Communication Module

IS220PSCHH1A - Serial Communication Module IS220PSCHH1A - Serial Communication Module

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Part Number: IS220PSCHH1A
Manufacturer: General Electric
Series: Mark VIe
Product Type: Serial Communication Module
Technology: Surface Mount
Common Mode Voltage Range: ±5 V
Dimensions: 11.00 x 9.00 x 3.00
Operating temperature: 0 to 60 °C
No.of Analog Voltage Inputs: 6
Repair: 3-7 Day
Availability: In Stock
Country of Origin: United States
Manual: GEH-6725


IS220PSCHH1A is a Serial Communication Module manufactured and designed by General Electric as part of the VIe Series used in GE Distributed Control Systems. A serial communication module is a hardware or software component that enables devices to exchange data through a serial interface. Serial communication involves sending data bit by bit over a single communication line, making it suitable for various applications where simplicity and reliability are crucial. Here are some key points about serial communication modules:


RS-232: This is a widely used standard for serial communication that defines the voltage levels and signal assignments for communication between devices.

RS-485: Designed for longer-distance communication and multi-node networks, RS-485 allows multiple devices to communicate over a single pair of wires.

UART (Universal Asynchronous Receiver-Transmitter): This is a common hardware module that handles the asynchronous serial communication process, including data formatting and transmission control.

SPI (Serial Peripheral Interface): A synchronous serial communication protocol commonly used to interface microcontrollers with peripheral devices such as sensors, displays, and memory.

I2C (Inter-Integrated Circuit): Another synchronous serial communication protocol used for connecting multiple devices on the same bus, enabling communication using two-wire lines.


Serial communication modules are used in a wide range of applications, such as industrial automation, robotics, telecommunications, embedded systems, and more.

They're especially useful when devices need to communicate over longer distances or when a simple, low-cost communication method is required.


Simplicity: Serial communication is relatively straightforward, making it easier to implement and troubleshoot.

Low Cost: The hardware required for serial communication is often simple and inexpensive, which can be advantageous for budget-sensitive projects.

Reliability: Due to its simplicity, serial communication can be more reliable in certain scenarios compared to more complex communication methods.

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What is a serial communication module?

A serial communication module is a hardware or software component that facilitates data exchange between devices using a serial interface. It enables devices to send and receive data bit by bit over a single communication line.

What are the common types of serial communication interfaces?

Common types include RS-232, RS-485, UART (Universal Asynchronous Receiver-Transmitter), SPI (Serial Peripheral Interface), and I2C (Inter-Integrated Circuit). Each has specific applications and advantages.

What is the difference between RS-232 and RS-485?

RS-232 is designed for point-to-point communication over short distances, while RS-485 supports multi-node communication over longer distances. RS-485 uses a differential signal for noise immunity.