Product Description
Key Features
- Controller identity: SIMATIC S7-200 CPU 221 compact unit with DC power supply.
- Digital I/O: 6 integrated digital inputs and 4 transistor digital outputs.
- Memory: 4 kbyte integrated work memory for the program and 2 kbyte for data.
- Interfaces and protocols: Integrated RS 485 interface with MPI, PPI and freely programmable serial data exchange using ASCII protocol.
- Installation and protection: 90 mm wide, 80 mm high and 62 mm deep; IP20 degree of protection.
- Lifecycle: Start of final year of support.
Applications
- Program functions: Supports program functions through the PPI protocol.
- HMI functions: Supports HMI functions through the PPI protocol, including TD 200 and OP.
- Serial data exchange: Supports serial data exchange with third-party devices through a freely programmable interface with ASCII protocol.
Technical Summary
| Order number | 6ES7211-0AA23-0XB0 |
|---|---|
| CPU family | SIMATIC S7-200 CPU 221 |
| Supply | 24 V DC; permissible range 20.4 V to 28.8 V |
| Digital inputs | 6; integrated |
| Digital outputs | 4; transistor |
| Program memory | 4 kbyte |
| Data memory | 2 kbyte |
| RS 485 interface | Integrated; MPI and PPI |
| Pulse outputs | 2; 20 kHz |
| Protection | IP20 |
| Lifecycle | Start of final year of support |
Frequently Asked Questions
How can I verify the exact CPU 221 model?
Confirm the nameplate order number 6ES7211-0AA23-0XB0 and the SIMATIC S7-200 CPU 221 designation.
What supply does this CPU use?
The rated supply is 24 V DC, with a permissible range of 20.4 V to 28.8 V.
What I/O configuration does it have?
It has 6 integrated digital inputs and 4 transistor digital outputs.
Are plug-in I/O terminals included?
It is without plug-in I/O terminals.
Is a battery module included?
The battery module is optional and is not included in the stated configuration.
