Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | CPU 1211C AC/DC/relay |
| Digital inputs | 6; integrated; 24 V DC |
| Digital outputs | 4; relay; 2 A with resistive load, max. |
| Analog inputs | 2; 0 to +10 V |
| Power supply | 85 V AC to 264 V AC; 47 Hz to 63 Hz |
| PROFINET interfaces | 1; RJ 45; 100 Mbit/s, max. |
| Work memory | 75 kbyte; integrated |
| Load memory | 1 Mbyte; integrated |
| Firmware version | V4.7 |
| Resolution with overrange | 10 bit |
| Conversion time | 625 μs per channel |
| Protection | IP20 |
Applications
- Digital signal acquisition: The 6 digital inputs acquire 24 V DC signals, and all 6 inputs can be used for HSC technological functions.
- Relay output control: The 4 relay outputs control loads up to 2 A with resistive load.
- Position control: The CPU supports controlled positioning and up to 8 position-controlled positioning axes.
- Industrial communication: The CPU supports PROFINET IO Controller, PROFINET IO device, SIMATIC communication, OPC UA Server, and MODBUS.
Key Features
- Integrated I/O: 6 integrated digital inputs, 4 relay digital outputs, and 2 analog inputs with a 0 to +10 V input range.
- AC supply: Permissible AC supply range: 85 V to 264 V at 47 Hz to 63 Hz.
- PROFINET interface: 1 isolated PROFINET interface with RJ 45 connection and a maximum transmission rate of 100 Mbit/s.
- Processing and memory: 75 kbyte integrated work memory, 1 Mbyte integrated load memory, and typical bit-operation processing time of 0.08 μs per instruction.
- Diagnostics: Diagnostic buffer, RUN/STOP LED, ERROR LED, MAINT LED, forcing, and 2 configurable traces.
- Mounting and protection: Maximum 6 mounting positions up to 40 °C and IP20 degree of protection.
Frequently Asked Questions
1. How many I/O channels does the Siemens 6ES7211-1BE40-0XB0 have?
It has 6 digital inputs, 4 relay digital outputs, 2 analog inputs, and 0 analog outputs.
2. What signal ranges are supported by the analog inputs?
The 2 analog inputs support 0 to +10 V. Their input resistance is ≥100k ohms.
3. Which communication interface and protocols are available?
It has 1 isolated PROFINET interface with an RJ 45 connection. Supported protocols include PROFINET IO, SIMATIC communication, OPC UA, TCP/IP, and MODBUS.
4. What supply does the CPU require?
The permissible AC supply range is 85 V to 264 V at 47 Hz to 63 Hz. The rated AC values include 120 V AC and 230 V AC.
5. What diagnostic features are included?
The CPU has a diagnostic buffer, forcing, RUN/STOP LED, ERROR LED, MAINT LED, and 2 configurable traces.
