Siemens 6ES7288-1CR30-0AA1 16 Channel Relay Output PLC Module

The Siemens 6ES7288-1CR30-0AA1 is a robust and cost-effective CPU module designed for compact automation tasks within the SIMATIC S7-200 SMART family. This module offers integrated Ethernet/PROFINET and RS485 communication capabilities, providing versatile networking options. Its key advantages include reliable performance, easy programming with STEP 7 Micro/WIN SMART, and expandability through signal boards and communication modules to meet specific application needs. The unit features 20 digital inputs and 20 relay outputs, a real-time clock, and 30 KB of program/data memory, all housed within a space-saving form factor.

Product Specifications

| Specification          | Value                                                                  |

| :--------------------- | :--------------------------------------------------------------------- |

| CPU Model              | S7-200 SMART CPU CR30S                                                 |

| Digital Inputs         | 20 x 24V DC                                                            |

| Digital Outputs        | 20 x Relay (2A)                                                        |

| Integrated Port        | Ethernet/PROFINET                                                      |

| Communication Ports    | RS485 (Modbus RTU/USS Master/Slave)                                    |

| Real-Time Clock (RTC)  | Integrated                                                             |

| Memory                 | 30 KB Program/Data Memory                                              |

| Supply Voltage         | AC, 85 - 264V AC at 47 - 63 Hz                                         |

| Power Consumption      | Max. 7W                                                       |

| Dimensions             | Approx. 120x75x40 mm (Net weight: 0.503 Kg)        |

| Operating Temperature  | -25°C to 60°C                                                 |

| Cycle Lifespan         | 1,000,000 cycles                                              |

| Programming Software   | STEP 7 Micro/WIN SMART                                |

Core Features & Market Positioning

The Siemens 6ES7288-1CR30-0AA1 positions itself as a cost-effective yet powerful solution for small to medium-sized automation projects. Its integrated PROFINET and RS485 communication interfaces offer significant flexibility in system design and integration, a key differentiator in its market segment. The module's reliability, a hallmark of Siemens industrial products, ensures dependable operation even in demanding environments. Furthermore, its compatibility with additional modules, such as signal boards (SBs) and communication modules (CMs), allows for tailored functionality expansion, making it a versatile choice for evolving automation needs. This combination of affordability, robust communication, and expandability solidifies its competitive advantage.

Key Application Scenarios

The Siemens 6ES7288-1CR30-0AA1 finds its utility in a variety of industrial applications where precise and reliable control is paramount. It is well-suited for simple machine control, such as those found in packaging or assembly lines, where its 20 digital inputs and 20 relay outputs can efficiently manage operational sequences. Conveyor systems benefit from its robust control capabilities, ensuring smooth material flow. In process automation, it can handle basic tasks in mixing and blending equipment, controlling actuators and monitoring sensor inputs. Additionally, its application extends to door and gate control systems, providing secure and automated access management. The integrated PROFINET capability also enables its use in networked environments for remote monitoring and basic SCADA integration.

Practical System Integration Guidance

Integrating the Siemens 6ES7288-1CR30-0AA1 into an existing or new automation system is streamlined by its user-friendly design and comprehensive communication options. The module supports direct programming via its Ethernet/PROFINET port using the STEP 7 Micro/WIN SMART software. For communication with other devices or supervisory systems, the RS485 port can be configured using protocols like Modbus RTU or USS, facilitating master/slave configurations. Wiring is typically straightforward, connecting DC inputs to 24V DC sources and utilizing the relay outputs to switch AC or DC loads up to 2A. For expanded I/O or specialized communication needs, Siemens offers compatible signal boards and communication modules that can be added to enhance the CPU's functionality. The use of standard DIN rail mounting ensures easy physical integration into control cabinets.

Operation and Risk Mitigation

Operating the Siemens 6ES7288-1CR30-0AA1 requires adherence to standard industrial electrical safety practices. The module is designed for operation within a wide AC voltage range (85-264V AC), and its relay outputs are rated for up to 2A. Users should ensure that all wiring is correctly installed and insulated to prevent short circuits or electrical hazards. Proper grounding is essential for reliable operation and to mitigate potential electromagnetic interference. While the search results do not detail specific error codes, general troubleshooting for PLC systems often involves checking power supply stability, verifying input signal integrity, ensuring correct programming logic, and confirming communication link status. The module's robust industrial design contributes to its operational reliability, minimizing risks associated with hardware failure in typical industrial environments.

Scalability & Long-Term Value

The Siemens 6ES7288-1CR30-0AA1 offers significant long-term value through its inherent scalability and compatibility within the Siemens automation ecosystem. Its expandability via signal boards (SBs) and communication modules (CMs) allows the system to grow with increasing demand or evolving application requirements without necessitating a complete system overhaul. This modular approach ensures that the initial investment can be leveraged for future expansions. Furthermore, its integration with protocols like PROFINET positions it for seamless connectivity with other Siemens products and industrial Internet of Things (IIoT) solutions, facilitating data exchange and advanced analytics for enhanced operational efficiency and predictive maintenance strategies.

Frequently Asked Questions (FAQs)

Q1: What are the primary benefits of using the Siemens 6ES7288-1CR30-0AA1?

The Siemens 6ES7288-1CR30-0AA1 offers cost-effective automation solutions for essential control tasks, making it an economical choice for many industrial applications.

It features integrated communication ports, including Ethernet/PROFINET and RS485, providing versatile networking options for seamless integration into diverse system architectures.

Built with Siemens' renowned quality standards, this module ensures reliable performance and dependable operation in demanding industrial environments, minimizing downtime and maintenance needs.

Q2: How many digital inputs and outputs does the Siemens 6ES7288-1CR30-0AA1 have?

This CPU module is equipped with 20 digital inputs, each rated for 24V DC, allowing for efficient monitoring of external signals.

It also features 20 digital outputs that utilize relay contacts, capable of switching up to 2A, suitable for controlling various loads.

The combination of 20 DI and 20 DO makes the 6ES7288-1CR30-0AA1 a versatile unit for a wide range of control applications requiring a balanced I/O configuration.

Q3: What communication protocols does the Siemens 6ES7288-1CR30-0AA1 support?

The module includes an integrated Ethernet/PROFINET port, enabling high-speed communication and programming capabilities with compatible networks and devices.

For serial communication, it supports RS485, allowing for Modbus RTU or USS master/slave configurations, which are common in industrial automation.

These integrated communication options provide flexibility for networking, data exchange, and integration into both modern PROFINET-based systems and legacy RS485 networks.

Q4: Can the functionality of the Siemens 6ES7288-1CR30-0AA1 be expanded?

Yes, the 6ES7288-1CR30-0AA1 is designed for expandability through the use of signal boards (SBs) and communication modules (CMs).

This allows users to add specialized functions, such as more I/O points, advanced communication interfaces, or specific processing capabilities, tailoring the module to precise application requirements.

This modular expansion capability ensures the long-term value and adaptability of the system, allowing it to grow alongside changing industrial demands.

Q5: What is the power supply requirement for the Siemens 6ES7288-1CR30-0AA1?

The module operates on an AC power supply, with a wide input voltage range from 85V to 264V AC.

It supports a standard line frequency of 47 Hz to 63 Hz, making it compatible with most industrial power grids worldwide.

The power consumption is relatively low, with a maximum of 7W, contributing to its energy efficiency in industrial applications.

Q6: What software is used to program the Siemens 6ES7288-1CR30-0AA1?

The Siemens 6ES7288-1CR30-0AA1 is programmed using the intuitive STEP 7 Micro/WIN SMART engineering software.

This software provides a user-friendly interface for developing, configuring, and troubleshooting PLC programs, simplifying the automation development process.

STEP 7 Micro/WIN SMART supports features like wizard setup, status monitoring, and password protection, enhancing programming efficiency and system security.

Q7: What are the typical applications for the Siemens 6ES7288-1CR30-0AA1?

This PLC module is ideal for simple machine control tasks, such as those found in manufacturing and assembly operations.

It is also effectively used in conveyor systems, mixing and blending equipment, and door and gate control systems, managing automated processes.

Basic process automation and SCADA integration are further application areas where its reliable control and communication capabilities can be leveraged.

Q8: Does the Siemens 6ES7288-1CR30-0AA1 support hot-swapping?

The Siemens SIMATIC ET 200SP system, which often integrates CPUs like the 6ES7288-1CR30-0AA1, generally supports hot-swapping of modules and terminal boxes.

This feature allows for the replacement of components while the system is running, significantly reducing downtime and simplifying maintenance procedures.

However, it's crucial to consult the specific documentation for the 6ES7288-1CR30-0AA1 and its surrounding system configuration to confirm precise hot-swapping capabilities and procedures.

Q9: What are the physical dimensions and weight of the Siemens 6ES7288-1CR30-0AA1?

The module has compact dimensions, approximately 120x75x40 mm, making it suitable for space-constrained control cabinets.

Its net weight is around 0.503 Kg, contributing to its easy handling and installation.

The compact and lightweight design facilitates straightforward mounting on standard DIN rails within industrial control panels.

Q10: What is the memory capacity of the Siemens 6ES7288-1CR30-0AA1?

The Siemens 6ES7288-1CR30-0AA1 features 30 KB of memory for both program storage and data handling.

This memory capacity is suitable for many small to medium-sized automation tasks, allowing for the implementation of control logic and variable storage.

For more complex applications or larger programs, the expandability through communication modules might offer additional memory options or access to external storage solutions.