Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | CPU 1212C DC/DC/DC |
| Power supply | 24 V DC; permissible range 20.4 V to 28.8 V DC |
| Digital inputs | 8; 6 usable for HSC functions |
| Digital outputs | 6; 4 high-speed outputs, 100 kHz Pulse Train Output |
| Analog inputs | 2; 0 to +10 V |
| PROFINET interfaces | 1; isolated, RJ 45 |
| Transmission rate, max. | 100 Mbit/s |
| Load memory | Integrated, 2 Mbyte |
| Protection | IP20 |
| Operating temperature | -20…+60 °C |
Applications
- Digital signal acquisition: The CPU acquires digital signals through 8 integrated digital inputs, including 6 inputs usable for HSC functions.
- Digital output control: The CPU controls digital loads through 6 integrated digital outputs, including 4 high-speed outputs with 100 kHz Pulse Train Output.
- PROFINET communication: The CPU provides PROFINET IO Controller and PROFINET IO device communication through its integrated PROFINET interface.
- OPC UA data exchange: The CPU provides an OPC UA Server with data access for read, write, and subscribe operations, plus method calls.
Key Features
- Onboard I/O: 8 digital inputs at 24 V DC, 6 digital outputs at 24 V DC, and 2 analog inputs with a 0 to +10 V range.
- PROFINET interface: 1 isolated PROFINET interface with 1 RJ 45 port, automatic transmission-rate detection, autonegotiation, and autocrossing.
- DC supply: Rated supply: 24 V DC; permissible range: 20.4 V to 28.8 V DC. Reverse polarity protection is available.
- High-speed functions: 4 high-speed outputs support 100 kHz Pulse Train Output; 6 digital inputs are usable for HSC functions.
- Communication protocols: Supports PROFINET IO Controller, PROFINET IO device, SIMATIC communication, OPC UA Server, MODBUS, TCP/IP, and PROFIBUS with the required communication module.
- Installation and protection: IP20 protection. Maximum shielded cable length is 500 m, with 50 m for technological functions; unshielded cable is 300 m maximum and is not supported for technological functions.
Frequently Asked Questions
1. What onboard I/O does Siemens 6AG1212-1AE40-4XB0 provide?
It has 8 digital inputs at 24 V DC, 6 digital outputs at 24 V DC, and 2 analog inputs with a 0 to +10 V input range. It has 0 analog outputs.
2. What supply voltage does this CPU use?
The rated supply is 24 V DC, with a permissible range of 20.4 V to 28.8 V DC. Reverse polarity protection is available.
3. Which PROFINET connection is provided?
It has 1 isolated PROFINET interface with 1 RJ 45 port. Automatic transmission-rate detection, autonegotiation, and autocrossing are supported.
4. Does the CPU support OPC UA?
Yes. It provides an OPC UA Server with read, write, subscribe, and method-call functions; a runtime license is required.
