Description
GE IS220PSCAH1A Serial Communication I/O Module
Serial Communication I/O Module It is an I/O module used for serial Modbus communication, with configurable serial channels for data exchange between control systems (such as Mark VIe) and other devices that support the Modbus protocol.
Main features and applications:
Manufacturer: General Electric (GE)
Product Series: Mark VIe Control System
Function: Serial communication (especially Modbus), I/O data processing, system interface
Key Features:
Multi protocol serial communication support: The module provides six individually configurable serial transceiver channels, supporting RS485 half duplex, RS232, and RS422 communication standards, and can flexibly adapt to different device connection requirements.
Dual Ethernet interface: equipped with two RJ45 Ethernet connectors, can be used to support Ethernet Modbus master protocol (note: this configuration only takes effect when used on a simplex network).
Powerful Modbus Master Service Function: Supports rich feature configurations, including:
RTU (Remote Terminal Unit) mode
Data bits: 7 or 8 bits
32-bit data word sorting
Parity check: even check, no check, odd check
Site address configuration
These features can be finely configured at the port level.
Reliable diagnostic and monitoring capabilities: The module has self diagnostic testing capabilities, can monitor analog inputs (such as position and pressure signals), and enable/disable functions, lock/unlock states, and generate alarm signals based on configurable high and low level thresholds, thereby improving system reliability and maintainability
Durable design and wide temperature operation: Adopting a compact modular design (dimensions approximately 3.25 inches high x 1.65 inches wide x 4.78 inches deep), suitable for standard rack installation. Its working temperature range is -40 ° C to+85 ° C, and it can operate stably in harsh industrial environments
Power supply and connection: Receive 24/28 V DC power through a three pin power input interface and communicate via dual RJ45 Ethernet connectors
Technical Specifications：
project Specification Description
Product Type Serial Modbus Communication I/O Module
Belonging to the GE Mark VIe series
Input voltage 110-240V AC (typical), output voltage 24V DC
Working temperature -40 ° C to+85 ° C
Communication ports 6 configurable serial channels (RS232/RS422/RS485 half duplex), 2 Ethernet ports (RJ45)
Communication protocol Modbus RTU, Ethernet Modbus master protocol (simplex network)
Diagnostic function self diagnostic testing, analog input monitoring, configurable alarms
Mechanical dimensions height 3.25 inches x width 1.65 inches x depth 4.78 inches (approximately 82.55mm x 41.91mm x 121.41mm)
Functional Description
The core function of the IS220PSCAH1A module is to serve as a communication interface in the Mark VIe control system, providing connections between up to two input/output Ethernet networks and one serial communication board. Its onboard serial Modbus master service supports multiple configurations, allowing stable data exchange with various Modbus protocol supported slave devices such as sensors, instruments, actuators, etc
The self diagnosis and monitoring functions of the module are another major highlight. It can continuously monitor the analog signals connected (such as signals from LVDT position sensors or pressure transmitters) and compare them with the high and low level limits preset by the user. Once an abnormality is detected, such as signal overload or communication interruption, the module can not only generate corresponding alarm codes (such as alarm 32-67, 114-119, etc.), but also perform predefined operations according to configuration, such as triggering protective shutdown or switching backup equipment, effectively ensuring the safe and stable operation of critical assets (such as gas turbines)
Application field
The GE IS220PSCAH1A module is widely used in industrial automation systems, especially in harsh environments that require high reliability and real-time performance, including:
Power generation industry: gas turbine control, steam turbine control, distributed energy systems.
Oil and gas: pipeline compressor control, pump station automation, process monitoring.
Chemical and Metallurgical: Process Automation Systems, Monitoring of Large Transmission Equipment.
Water Treatment and Municipal Administration: Pump Control, Flow Monitoring, SCADA System.
summary
GE IS220PSCAH1A is a high-performance and highly reliable serial communication interface module, which has become an important component in the industrial control field, especially in the GE Mark VIe control system, thanks to its multi protocol support, flexible configuration capabilities, powerful diagnostic functions, and wide operating temperature range. It can meet the reliable communication and real-time monitoring needs in complex industrial environments, helping users improve operational efficiency and system security.
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The company’s main products include pneumatic components, hydraulic components, modules, transmission equipment, industrial equipment, etc
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