Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product_type | SIMATIC S7-200 CPU 221 Compact unit |
| Digital_inputs | 6; integrated |
| Digital_outputs | 4; transistor |
| Supply | 24 V DC rated; 20.4 V to 28.8 V permissible range |
| RS_485_interface | Integrated |
| Protocols | MPI, PPI and serial data exchange with ASCII protocol |
| Program_memory | 4 kbyte |
| Data_memory | 2 kbyte |
| High_speed_counters | 4; 30 kHz each |
| Pulse_outputs | 2; 20 kHz |
| Mounting_dimensions | 90 mm × 80 mm × 62 mm |
Applications
- Digital signal acquisition and output control: The unit provides integrated digital inputs for signal acquisition and transistor outputs for output control.
- Serial data exchange: The freely programmable interface supports serial data exchange with third-party devices using ASCII protocol.
- High-speed counting and pulse output: The unit supports high-speed counting and pulse outputs with pulse-width and frequency modulation options.
Key Features
- Digital I/O: 6 integrated digital inputs and 4 transistor digital outputs.
- Supply: Rated supply: 24 V DC; permissible load-voltage range: 20.4 V to 28.8 V.
- Communication interface: Integrated RS 485 interface with MPI, PPI and freely programmable serial data exchange.
- Processing and memory: Bit operation processing time, max.: 0.22 μs; integrated memory: 4 kbyte for program and 2 kbyte for data.
- High-speed functions: 4 high-speed counters with 30 kHz counting frequency and 2 pulse outputs with a 20 kHz limit frequency.
- Dimensions and protection: Dimensions: 90 mm × 80 mm × 62 mm; protection degree: IP20.
Frequently Asked Questions
1. How many digital inputs and outputs does 6ES7211-0AA23-0XB0 have?
It has 6 integrated digital inputs and 4 transistor digital outputs.
2. What supply voltage does the CPU 221 use?
Its rated supply is 24 V DC, with a permissible load-voltage range of 20.4 V to 28.8 V.
3. Which communication interfaces and protocols are supported?
It has an integrated RS 485 interface and supports MPI, PPI and freely programmable serial data exchange with ASCII protocol.
4. What memory is integrated?
It has 4 kbyte of integrated program memory and 2 kbyte of integrated data memory.
