GE IS220PTCCH2A is a thermocouple input module developed by General Electric (GE), and it is part of the Mark VIe control system series. Below is a detailed description of its parameters, application scenarios, and operating principle:
1. Parameters
- Input Signals: Capable of accepting up to 12 thermocouple signals from the terminal block (the supported thermocouple types depend on the overall configuration of the Mark VIe system, with common compatible types including industrial standard thermocouples such as Type K and Type J).
- Analog Input Structure: Consists of 6 differential multiplexers, 1 main multiplexer, and 1 high-resolution 16-bit analog-to-digital converter (ADC).
- Sampling Rate: The ADC operates at a maximum sampling rate of 120 Hertz (Hz), which can meet the real-time acquisition requirements for temperature changes in industrial scenarios.
- Communication & Connection:
- Data Transmission: Realized via dual RJ45 Ethernet interfaces, supporting stable industrial-grade data interaction;
- Power Input: Equipped with a 3-pin power interface;
- Signal Output: Directly matched through a DC-37 pin connector to ensure compatible connection with other modules in the system.
- Physical Characteristics: Dimensions are approximately 8.26 cm × 4.19 cm × 12.1 cm (Length × Width × Height, subject to physical product and official manual); weight is approximately 0.5 kg.
2. Application Scenarios
This module is mainly used in industrial scenarios that require high-precision temperature measurement and monitoring, especially for key links related to gas turbine control systems. Typical applications include:
- Power Plants: Monitoring temperatures of key parts of gas turbines and steam turbines (such as cylinder temperature, exhaust temperature, and bearing temperature), providing data support for unit start-stop, load adjustment, and fault early warning;
- Petrochemical Industry: Real-time acquisition and monitoring of temperatures in high-temperature process links (such as reaction kettles, heating furnaces, and pipelines) in refining and chemical equipment, ensuring process stability and equipment safety;
- Heavy Industrial Equipment: For example, rolling mill equipment in the metallurgical industry and large compressors. By monitoring temperature, the operating status of the equipment is judged to avoid component damage caused by overheating.
3. Operating Principle
As the temperature signal acquisition front-end of the Mark VIe control system, the core function of GE IS220PTCCH2A is to convert the analog signals output by thermocouples into digital signals that the system can process. The specific principle process is as follows:
- Signal Acquisition: External thermocouples (installed at the temperature monitoring points of the measured equipment) convert temperature changes into weak analog voltage signals at the millivolt (mV) level. These signals are connected to the IS220PTCCH2A module through the terminal block;
- Signal Gating & Transmission: The 6 differential multiplexers inside the module first perform preliminary gating on the 12-channel thermocouple signals (to realize time-division processing of multi-channel signals), and then transmit the selected single-channel signal to the 16-bit ADC through the main multiplexer;
- Analog-to-Digital Conversion: The high-resolution 16-bit ADC converts the received mV-level analog signals into high-precision digital data, ensuring the accuracy of temperature measurement;
- Data Upload & Diagnosis: The converted digital data is transmitted to the adjacent processor board of the Mark VIe system via dual RJ45 Ethernet interfaces. The processor board performs data analysis and logical operations, and implements temperature monitoring or interlock control in combination with the system control strategy. Meanwhile, the module provides intuitive operating status diagnosis (such as normal signal, fault alarm, etc.) through LED indicators, and supports local serial communication via an infrared port, facilitating engineers to conduct troubleshooting and maintenance.
Frequently asked questions- Question: Is your item new or original?
Answer: Yes, we sell brand new original products. - Question: Is there any inventory available?
Answer: We have a large warehouse with sufficient inventory of goods to ensure fast delivery. - Can you offer a discount?
Answer: Yes, if your order quantity is large, we can offer a discounted price. - Question: What is your delivery time?
Answer: Due to our sufficient inventory, you can usually receive your order within 3-5 working days. - Question: Do you test the product before shipping?
Answer: Yes, we have a professional technical team that will conduct strict testing on all products before shipment to ensure product quality. - Question: If I order a large quantity of goods, can I pay a deposit first?
Answer: Yes, you can pay the deposit first, and we will arrange the warehouse to stock up for you immediately after receiving your deposit. - Question: Can I get a discount?
Answer: The price of the product is negotiable, and we can provide you with the most favorable price based on the quantity of your order. - Question: How much should I pay for the shipping fee?
Answer: The shipping cost depends on the weight of the goods, the courier company you choose, and the delivery destination. - Question: How to contact customer service?
Answer: You can contact our customer service team through email, phone, or online chat.
- Question: Is your item new or original?
There are no reviews yet.