1. Basic Product Information
Model: AS-884A-201 (Omron)
Type: Modular PLC (Programmable Logic Controller)
Applicable Series: Modicon 800 Series (a classic PLC series by Omron/Schneider)
2. Main Technical Specifications
| Parameter | Description |
|---|---|
| Communication Interface | Modbus RTU (RS485 / RS232) |
| Power Supply Input | AC 110/230 V or DC 24 V |
| Operating Temperature Range | 0°C to 60°C (industrial grade) |
| Storage Temperature Range | -40°C to 85°C |
| Power Consumption | Approx. 5.4 W continuous power consumption (at 20°C) |
| Physical Dimensions | Height 77 mm (3.03 in), Width 45 mm (1.8 in), Depth 93 mm (3.7 in) |
| Weight | Approx. 0.58 kg (1.28 lb) |
3. Functional Features
- Logic and Sequential Control: Performs logical operations and sequential control for industrial automation production lines.
- Modular Design: Supports expansion with I/O modules; the number of control points depends on the configured I/O modules.
- Data Acquisition and Monitoring: Built-in program memory with support for equipment monitoring and status indicator displays.
- Communication Capability: Supports the Modbus protocol, enabling easy data exchange with other devices or host systems.
4. Typical Applications
- Industrial automation production lines
- Machinery and equipment control
- Process monitoring systems
- Power management systems
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We professionally sell a wide range of industrial equipment spare parts, including PLC modules, sensors, transmitters, contactors, and other high-quality products. Sourced from original manufacturers, these parts come with assured quality, sufficient inventory, and fast delivery, providing reliable support for your production operations.
What is a DCS?
A Distributed Control System (DCS) is a sophisticated, computer-based control system designed to automate, monitor, and manage complex industrial processes. It is widely used in large-scale industrial facilities such as refineries, power plants, chemical plants, and paper mills, where precision, reliability, and scalability are critical.
How Does a DCS Work?
A DCS is composed of several interconnected components that work seamlessly to ensure efficient process control. Here’s a breakdown of its key elements:
- Controllers:
These are the “brains” of the system. Controllers receive data from sensors, process it using pre-programmed logic, and send output signals to actuators to maintain optimal process conditions. - Sensors:
Sensors act as the “eyes and ears” of the system, measuring critical physical parameters such as temperature, pressure, flow rate, and level. This real-time data is essential for accurate control. - Actuators:
Actuators are the “muscles” of the system. They execute physical actions based on controller commands, such as opening/closing valves, starting/stopping motors, or adjusting dampers. - Operator Stations:
These serve as the human-machine interface (HMI), allowing operators to monitor the process, adjust setpoints, and troubleshoot issues. Modern DCS systems often feature intuitive graphical interfaces for ease of use. - Communication Network:
The backbone of the DCS, this network connects all components, enabling seamless data exchange and coordination. It ensures that every part of the system works in harmony, even across large industrial sites.
Why is a DCS Important?
- Centralized Control with Distributed Execution: A DCS allows for centralized monitoring while distributing control functions across multiple controllers, reducing the risk of system-wide failures.
- Scalability: It can easily expand to accommodate growing operational needs.
- Reliability: Redundant systems and fail-safes ensure continuous operation, even in critical environments.
- Efficiency: Optimizes processes, reduces waste, and improves overall productivity.
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