Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | CPU 1211C DC/DC/relay |
| Digital inputs | 6; 24 V DC |
| Relay outputs | 4; 2 A with resistive load, max. |
| Analog inputs | 2; 0 to +10 V |
| PROFINET interface | 1; RJ 45 |
| Supply | DC 20.4 to 28.8 V DC |
| Work memory | 75 kbyte |
| Load memory | 1 Mbyte |
| Resolution | 10 bit; including sign |
| Firmware version | V4.7 |
Applications
- High-speed counting: The 6 digital inputs support HSC (High Speed Counting), with single-phase operation up to 3 @ 100 kHz and differential operation up to 3 @ 80 kHz.
- Controlled positioning: The CPU supports controlled positioning and up to 8 position-controlled positioning axes.
- PROFINET data communication: The CPU supports PROFINET IO Controller and PROFINET IO device communication.
Key Features
- Onboard digital I/O: 6 integrated digital inputs support 24 V DC signals, and 4 relay outputs are provided.
- Analog input channels: 2 analog inputs support the 0 to +10 V range with 10 bit resolution including sign.
- PROFINET communication: 1 isolated PROFINET interface with 1 RJ 45 port supports PROFINET IO Controller and PROFINET IO device operation.
- Supply and memory: Supply is DC 20.4 to 28.8 V DC. Integrated work memory is 75 kbyte and load memory is 1 Mbyte.
- Diagnostics and control: The CPU has a diagnostic buffer, RUN/STOP, ERROR, and MAINT LEDs, 6 counters, and a PID controller.
Frequently Asked Questions
1. How many I/O channels does 6ES7211-1HE40-0XB0 have?
It has 6 digital inputs, 4 relay outputs, 2 analog inputs, and 0 analog outputs.
2. Which analog input range is supported?
The 2 analog inputs support 0 to +10 V, with an input resistance of ≥100k ohms.
3. Which communication interface does the CPU provide?
It provides 1 isolated PROFINET interface with 1 RJ 45 port and supports PROFINET IO Controller and PROFINET IO device operation.
4. What supply voltage does the CPU require?
The supply is DC 20.4 to 28.8 V DC, with a rated value of 24 V DC.
