Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | CPU 1212C AC/DC/relay |
| Digital inputs | 8 integrated; 24 V DC |
| Digital outputs | 6 relay outputs; 2 A max. with resistive load |
| Analog inputs | 2; 0 to +10 V |
| Supply | AC 85-264 V AC at 47-63 Hz |
| PROFINET interfaces | 1; 1 RJ 45 port |
| PROFINET transmission rate | 100 Mbit/s max. |
| Load memory | 1 Mbyte integrated |
| Processing time, bit operations | 0.08 μs typical per instruction |
| Hardware clock backup | 480 h typical |
| Protection degree | IP20 |
| Conformal coating | -20…+60 °C |
Applications
- Digital signal acquisition: The integrated digital inputs acquire 24 V DC signals, including high-speed counting functions.
- Relay output control: The relay outputs switch loads up to 2 A with resistive load.
- Analog voltage acquisition: The analog inputs acquire signals in the 0 to +10 V range.
- Industrial communication: The interfaces support PROFINET IO Controller, PROFINET IO device, SIMATIC communication, and Web server functions.
Key Features
- Integrated I/O: 8 digital inputs at 24 V DC, including 6 inputs usable for HSC functions, plus 6 relay digital outputs.
- Analog input channels: 2 analog inputs support the 0 to +10 V range; input resistance is ≥100k ohms.
- AC power supply: Supply range: AC 85-264 V AC at 47-63 Hz; typical power loss is 11 W.
- PROFINET communication: 1 isolated PROFINET interface with 1 RJ 45 port supports PROFINET IO Controller, PROFINET IO device, SIMATIC communication, and Web server.
- Diagnostics and control: The CPU has a diagnostic buffer, RUN/STOP, ERROR and MAINT LEDs, 6 counters, and PID controller functionality.
- Installation and protection: Protection degree: IP20. Shielded cable length is up to 500 m, or 50 m for technological functions.
Frequently Asked Questions
1. What I/O does Siemens 6AG1212-1BE40-4XB0 provide?
It has 8 integrated 24 V DC digital inputs, 6 relay digital outputs, and 2 analog inputs for 0 to +10 V. It has 0 analog outputs.
2. What supply does this CPU require?
The supply range is AC 85-264 V AC at 47-63 Hz. Rated values of 120 V AC and 230 V AC are supported.
3. Which communication interfaces and protocols are available?
It has 1 isolated PROFINET interface with 1 RJ 45 port. Supported functions include PROFINET IO Controller, PROFINET IO device, SIMATIC communication, Open IE communication, Web server, OPC UA, and MODBUS.
4. What is included in the selected configuration?
The product has 1 integrated CPU with the stated onboard I/O. Signal modules, communication modules, and signal boards are not included.
