Product Overview
Technical Summary
| Product designation | SIMATIC S7-200 CPU 221 compact unit |
|---|---|
| Digital inputs | 6; integrated |
| Digital outputs | 4; relays |
| Program memory | 4 kbyte |
| Data memory | 2 kbyte |
| Supply voltage | 120 V AC; 230 V AC |
| Communication interface | Integrated RS 485 |
| Protocols | MPI; PPI; ASCII serial data exchange |
| High-speed counters | 4; 30 kHz each |
| Protection | IP20 |
| Product lifecycle | Start of final year of support |
Key Features
- SIMATIC S7-200 CPU 221: Compact unit with AC power supply, 6 integrated digital inputs, and 4 relay outputs.
- Memory capacity: Integrated work memory: 4 kbyte for programs and 2 kbyte for data.
- Supply voltage: Rated AC supply values: 120 V AC and 230 V AC. Load voltage L+ is 24 V DC, with a permissible range of 5 V to 30 V.
- Communication interfaces: Integrated RS 485 interface supports MPI, PPI, and freely programmable serial data exchange with ASCII protocol.
- High-speed counting: 4 high-speed counters support a maximum counting frequency of 30 kHz each.
- Protection and installation: IP20 degree of protection; dimensions are 90 mm wide, 80 mm high, and 62 mm deep.
Applications
- Program functions: Supports program functions through the PPI protocol.
- Serial data exchange: Supports serial data exchange with third-party devices through a freely programmable interface with ASCII protocol.
Frequently Asked Questions
What identifies Siemens order number 6ES7211-0BA23-0XB0?
It identifies a SIMATIC S7-200 CPU 221 compact unit with an AC power supply, 6 digital inputs, and 4 relay outputs.
Which specifications should be checked for this MLFB?
Check the 4 kbyte program memory, 2 kbyte data memory, integrated RS 485 interface, MPI and PPI support, and 4 high-speed counters with a maximum counting frequency of 30 kHz each.
What code and nameplate details should be verified before inquiry?
Verify the complete order number 6ES7211-0BA23-0XB0 and the CPU 221 designation, including the 6 digital inputs and 4 relay outputs.
What information is needed for a quotation?
Provide the required quantity and destination together with the complete order number 6ES7211-0BA23-0XB0.
