Siemens S7-200 SMART CPU CR40 AC/DC/RLY

The Siemens S7-200 SMART CPU CR40 AC/DC/RLY is a compact and reliable PLC designed for industrial automation, machine control, OEM applications, pump control, water treatment, packaging, textile machinery, and factory automation. It combines 24 digital inputs, 16 relay outputs, built-in Ethernet, RS485 communication, high-speed counters, and flexible expansion capability in a compact PLC platform.

Product Overview

Key Features

• Genuine Siemens S7-200 SMART PLC
• 24 Digital Inputs
• 16 Relay Digital Outputs
• Built-in 10/100 Mbps Ethernet
• Built-in RS485 communication
• High-speed counter functions
• Pulse capture functionality
• Up to 6 expansion modules
• Signal Board support
• Micro SDHC memory card support
• Integrated Real-Time Clock
• HMI and SCADA communication
• STEP 7 Micro/WIN SMART programming
• Compact and cost-effective automation solution

Memory & Performance

The CR40 provides sufficient memory and processing capability for machine automation, motor control, pump systems, conveyor systems, and general industrial control applications.

Digital I/O

Digital Inputs

• 24 × Digital Inputs
• 24 VDC input signal
• Approximately 4 mA input current
• High-speed counter support
• Pulse capture support
• Edge interrupt functionality

Digital Outputs

• 16 × Relay Outputs
• Suitable for AC and DC loads
• Rated output current up to 2 A per output
• Suitable for contactors, solenoid valves, lamps, relays and motor control circuits

Communication

The built-in Ethernet port makes the S7-200 SMART CR40 PLC suitable for HMI, SCADA, PLC-to-PLC and industrial networking applications.

Expansion Capability

The Siemens S7-200 SMART CR40 supports flexible system expansion:

• Up to 6 expansion modules
• 1 Signal Board
• Digital I/O modules
• Analog I/O modules
• Communication modules
• Memory card support

This allows the PLC to be expanded as machine or process requirements increase.

Power Supply

CPU CR40 AC/DC/RLY

• Input Voltage: 85–264 VAC
• Frequency: 47–63 Hz
• Integrated 24 VDC sensor supply
• Suitable for industrial control panels

Applications

The Siemens S7-200 SMART CPU CR40 is widely suitable for:

• Industrial Automation
• Factory Automation
• Machine Control
• OEM Automation
• Textile Machinery
• Packaging Machines
• Conveyor Systems
• Pump Control
• Booster Pump Automation
• ETP Automation
• WTP Automation
• STP Automation
• HVAC Control
• Motor Control
• Solar Automation
• Energy Management
• HMI & SCADA Systems

Package Includes

• Siemens S7-200 SMART CPU CR40
• Factory-standard packaging
• Product documentation

MLFB / Order Number: 6ES7 288-1CR40-0AA0

Why Choose Siemens S7-200 SMART CR40?

The Siemens S7-200 SMART CR40 PLC offers a practical combination of 24 DI and 16 relay outputs, Ethernet communication, RS485 connectivity, high-speed functions and expansion capability. It is an excellent fit for compact industrial automation systems, OEM machines, pump control, process automation and HMI/SCADA applications.

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