Siemens 6ES7288-1SR20-0AA1 SIMATIC S7-200 SMART CPU SR20 PLC
$109.20
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Siemens 6ES7288-1SR20-0AA1 SIMATIC S7-200 SMART CPU SR20
The Siemens 6ES7288-1SR20-0AA1 is the enhanced, current-generation SIMATIC S7-200 SMART CPU SR20 Compact Controller (AC/DC/Relay). Engineered for compact industrial control applications, it combines 20 integrated digital I/Os, high-speed processing, and built-in Ethernet functionality in a cost-effective package.
Direct Successor & Replacement Notice
Upgrading from 6ES7288-1SR20-0AA0?
The 6ES7288-1SR20-0AA1 is the official 100% compatible upgraded replacement for the discontinued 6ES7288-1SR20-0AA0 model. It shares identical terminal pinouts, mounting dimensions, and AC power supply specifications. Existing STEP 7-Micro/WIN SMART control logic can be uploaded and executed directly without code modification.
Key Technical Specifications
- Order Number (MPN): 6ES7288-1SR20-0AA1 (6ES72881SR200AA1)
- Product Family: SIMATIC S7-200 SMART CPU SR20
- Supply Voltage: AC 85 V – 264 V AC (47 to 63 Hz)
- Integrated Inputs: 12 Digital Inputs (24 V DC)
- Integrated Outputs: 8 Digital Relay Outputs (2 A)
- Program Memory: 20 KB / Data Memory 12 KB
- Communication Interfaces: 1x RJ45 Industrial Ethernet Port (PROFINET / Modbus TCP / S7 Comm) & 1x RS485 Serial Interface
- Expansion Options: Supports Signal Boards (SB) and Signal Modules (SM)
- Operating Temperature: 0 °C to +55 °C
Features & Benefits of CPU SR20 (-0AA1)
- 100% Drop-In Replacement: Fully backwards-compatible with older -0AA0 hardware setups and control panels.
- Reliable Relay Outputs: Handles AC/DC loads directly with robust 2A rated relay switching.
- Embedded Ethernet: Simplifies programming, firmware updates, and HMI communication over industrial networks.
- Flexible Expansion: Easily scale system capacity using modular SMART I/O modules and signal boards.
Applications
The Siemens S7-200 SMART SR20 PLC is widely used across OEM machinery and light industrial automation, including:
- Small packaging and sealing machines
- Pump and fan station management
- Automated sorting and conveyor systems
- Environmental monitoring and HVAC equipment
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