PXG3.W200-2 SIEMENS I/O module

Description

PXG3.W200-2 SIEMENS I/O module

Product Dimensions：

Product Description

The Siemens I/O (Input/Output) Module, often referred to as a Signal Module (SM), is the indispensable link between the digital logic of the Programmable Logic Controller (PLC) and the physical process in the field. It facilitates both the acquisition of status information (Inputs) and the execution of control commands (Outputs).

Siemens I/O modules are a modular portfolio designed to interface with almost any sensor or actuator. They are classified based on the signal type they handle:

• Digital Modules: Handle binary signals (ON/OFF, $1/0$). They include Digital Input (DI) modules for sensing switch states and Digital Output (DO) modules for controlling solenoids, relays, and indicators. They support various voltages ($text{DC 24V}, text{AC 120V}, text{AC 230V}$) and output technologies (Transistor, Relay, Triac).
• Analog Modules: Handle continuously variable signals. They include Analog Input (AI) modules for measuring parameters (temperature, pressure) and Analog Output (AO) modules for proportional control of actuators (valves, VFD speed). They support standard current ($text{4-20 mA}$) and voltage ($text{0-10 V}$) ranges, and often specialized signal types (e.g., RTD, Thermocouple).
• Technology Modules: Specialized modules for complex, high-speed tasks such as high-speed counting, position detection, weight measurement, and precise motion control (PTO/PWM).
• Mixed Modules: Combine both Digital Input and Digital Output channels on a single, compact module for cost and space optimization, particularly for lower I/O count applications.

Modules are available for both Centralized I/O (directly next to the CPU) and Distributed I/O (in remote stations networked via PROFINET or PROFIBUS).

Product Parameters

Product Advantages

• Scalability and Modularity: The modular design allows users to precisely match the I/O configuration to the application requirements, minimizing hardware costs and maximizing cabinet space utilization. Modules can be easily added or replaced as plant needs evolve.
• Integrated System Diagnostics: All modules feature built-in diagnostic functions (often channel-specific) that automatically detect and report faults to the PLC, providing immediate transparency into the process state and drastically reducing machine downtime.
• Efficient Engineering (TIA Portal): Seamless integration into the Siemens Totally Integrated Automation (TIA) Portal engineering framework allows for standardized configuration, parameter setting, and diagnostic monitoring across all module types.
• Simple Wiring and Maintenance: Tool-free Push-in terminal technology and the ability to hot-swap modules (replacement without powering down the system) significantly reduce assembly time and simplify field maintenance operations.
• Investment Protection: Siemens offers long-term availability and compatible successor products, ensuring that systems can be maintained and expanded over decades.

Important Notes

• Current Load Management: Always ensure that the specified current limits are not exceeded, both for individual output channels and for the total current capacity of the module and the backplane bus.
• Signal Isolation: Verify the required level of galvanic isolation between the field circuit, the internal PLC logic, and channel-to-channel. This is critical for noise immunity and personnel protection.
• Output Default States: Configure the “substitute values” (safe states) for output modules, defining what action should be taken (e.g., maintain last value or go to $0$) upon a CPU STOP event or module failure to ensure machine safety.
• Environmental Compliance: Use modules with the appropriate protection class (e.g., $text{IP20}$ for cabinet use, $text{IP65/67}$ for field mounting) and ensure ambient temperature limits are respected.

Product Applications

• Automated Manufacturing: Interfacing with proximity switches, light barriers, and motor contactors in assembly lines, material handling, and robotic cells.
• Process Automation: Reading temperature and pressure from transmitters ($text{AI}$) and controlling proportional valves or pump speeds ($text{AO}$) in industries like chemical, water treatment, and food & beverage.
• High-Precision Tasks: Utilizing technology modules for precise registration control in printing and packaging machines, and closed-loop position control.
• Safety Applications: Using dedicated Failsafe I/O modules for emergency stop circuits, safety gate monitoring, and safety-related process shutdown, adhering to international standards (e.g., $text{SIL 3/PL e}$).

Shipping Port: Xiamen, China

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