The SIEMENS SIMATIC S7-200 SMART CPU CR40s is a compact, integrated PLC delivering robust control in a space-saving design. This AC/DC/RELAY unit features 24 digital inputs and 16 relay outputs rated at 2A, providing a high-density I/O solution for small to mid-scale automation tasks with reliable Siemens performance. Features and Benefits
- Compact CPU with Integrated I/O (24 DI, 16 DO Relay) - Saves panel space and reduces wiring complexity by combining the processor and a substantial I/O count in one unit.
- Relay Outputs Rated at 2A - Directly controls contactors, solenoid valves, and small motors without requiring additional interposing relays, simplifying design and lowering component costs.
- AC/DC/RELAY Power Supply Configuration - Offers versatile installation compatibility with standard AC line voltage for power, 24V DC for inputs, and relay outputs for flexible load switching.
- SIMATIC S7-200 SMART Platform - Ensures reliable operation, straightforward programming with STEP 7-Micro/WIN SMART, and seamless integration within the Siemens ecosystem for scalable projects.
- Onboard Communication Port (RS485) - Enables easy connection to HMIs, drives, and other devices for system commissioning, data exchange, and network expansion. Applications
- Compact Machine Control - Ideal for standalone machines like packaging units, small conveyors, or test stands requiring a self-contained control solution.
- Building Automation Systems - Perfect for controlling HVAC components, lighting panels, or access control systems where relay outputs are commonly needed.
- Process and Batch Control - Manages sequences for mixing, filling, or batching operations in industrial and manufacturing environments.
- Retrofitting and System Upgrades - Provides a modern, feature-rich replacement for older relay-based panels or legacy PLC systems, enhancing functionality.
Dimensions (W x H x D): 90 x 100 x 81 mm. Power Supply: AC 85-264V. Input Voltage: 24V DC (for onboard digital inputs). CPU Type: CR40s. Program Memory: 12 KB. Data Memory: 8 KB. Backup Memory: Supercapacitor (typical 100 hours at 25 °C). Storage Temperature: -40 °C to 70 °C. Degree of Protection: IP20. Digital Input Type: Sink/Source (24V DC). Digital Output Current Rating: 2 A per point. Digital Output Type: Relay. Ethernet Protocol: PROFINET. Expansion Modules Supported: 6 maximum. Expansion Signal Boards Supported: 1 maximum. High-speed Counters: 4 total (100 kHz single phase, 80 kHz two phase). Integrated Communication Ports: 1 x Ethernet, 1 x RS485. Onboard Digital Inputs: 24. Onboard Digital Outputs: 16. Operating Temperature: 0 °C to 55 °C. Order Number: 6ES7288-1CR40-0AA1. Product Family: SIMATIC S7-200 SMART. Product Name: SIMATIC S7-200 SMART CPU CR40s. Product Type: Compact Programmable Logic Controller (PLC). Pulse Outputs: 2 (20 kHz). Real-time Clock: Yes. Relative Humidity: 95% at 25 °C (non-condensing). RS485 Protocol: PPI, MPI, USS, Modbus RTU Master/Slave. Dimensions (W x H x D): 90 x 100 x 81 mm. Digital Input Voltage: 24V DC (sink/source). Power Supply: AC 85-264V / DC 24V. Digital Output Current Rating: 2A per point. Digital Output Type: Relay. Digital Outputs: 16. High-speed Counters: 4 single-phase (100 kHz) or 2 AB-phase (80 kHz). Pulse Outputs: 2 (20 kHz). Communication Ports: 1 x Ethernet (PROFINET), 1 x RS485 (PPI, MPI, Freeport). Operating Temperature: 0°C to 55°C. Relative Humidity: 95% non-condensing. Storage Temperature: -40°C to 70°C. CPU Series: SIMATIC S7-200 SMART. Data Memory: 8 KB. Digital Inputs: 24. Expansion Capability: Up to 6 signal modules. Model Designation: CPU CR40s. Mounting: Standard DIN rail (35 mm). Onboard I/O Configuration: 24 DI / 16 DO. Order Number: 6ES7288-1CR40-0AA1. Product Type: Compact Programmable Logic Controller (PLC). Program Memory: 12 KB. Protection Class: IP20 (front panel). Real-time Clock: Integrated. Q: What are the exact onboard I/O specifications for the Siemens SIMATIC S7-200 SMART CR40s CPU? A: The Siemens SIMATIC S7-200 SMART CR40s is a compact CPU with onboard I/O consisting of 24 digital inputs (24V DC) and 16 digital outputs (relay type, 2A rating). This integrated configuration is ideal for smaller automation tasks requiring a mix of DC sensing and relay-driven loads.. Q: How durable is the Siemens SIMATIC S7-200 SMART CPU CR40s for industrial environments? A: As a Siemens SIMATIC product, the S7-200 SMART CR40s is engineered for professional industrial use with robust construction and reliable relay outputs rated for 2A. It is designed to withstand the electrical noise and operational demands typical in automation and control panels.. Q: Can the Siemens S7-200 SMART CR40s CPU be used for controlling a small machine or process line? A: Yes, the Siemens S7-200 SMART CR40s is perfectly suited for controlling small machines or compact process lines. With its 24 digital inputs and 16 relay outputs, it can handle tasks like sequencing, interlocking, and controlling motors, solenoids, and indicator lights commonly found in such applications.. Q: What is the warranty for the Siemens SIMATIC S7-200 SMART CPU CR40s? A: Siemens typically provides a standard manufacturer's warranty for its SIMATIC S7-200 SMART series products. For the exact warranty duration and terms specific to the CR40s model (6ES7288-1CR40-0AA1), please verify with your authorized Siemens distributor or retailer at the time of purchase.. Q: Is the Siemens SIMATIC S7-200 SMART CR40s a good value compared to other PLCs with similar I/O? A: Yes, the Siemens S7-200 SMART CR40s offers excellent value, combining the reliability and software ecosystem of the Siemens brand with a cost-effective compact design. It delivers professional-grade performance for its I/O count, making it a smart choice for both entry-level and professional automation projects..