Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | CPU 1212FC DC/DC/DC |
| Digital inputs | 8; 6 usable for HSC |
| Digital outputs | 6; 4 high-speed outputs |
| Analog inputs | 2; 0 to +10 V |
| PROFINET interface | 1; RJ 45 |
| Supply | 24 V DC; 20.4 V to 28.8 V DC |
| Work memory | 150 kbyte |
| Load memory | 2 Mbyte |
| Processing time | 0.08 μs per instruction; bit operations |
| Protection | IP20 |
| Module capacity | 3 communication modules, 1 signal board, 2 signal modules |
| Firmware version | V4.7 |
Applications
- High-speed counting: Six digital inputs support HSC technological functions, including single-phase frequencies of 3 @ 100 kHz and 3 @ 30 kHz.
- Controlled positioning: The CPU supports controlled positioning and up to 8 position-controlled positioning axes.
- PID control: The CPU provides a PID controller.
Key Features
- I/O channels: The CPU has 8 digital inputs, 6 digital outputs, 2 analog inputs and 0 analog outputs. Six digital inputs support HSC functions, and 4 digital outputs are high-speed outputs.
- Signal ranges: Digital inputs use 24 V DC, with signal 0 at 5 V DC at 1 mA and signal 1 at 15 V DC at 2.5 mA. Analog inputs support 0 to +10 V.
- PROFINET interface: One isolated PROFINET interface provides an RJ 45 connection and supports PROFINET IO Controller, PROFINET IO device, SIMATIC communication and Open IE communication.
- Supply and memory: The rated supply is 24 V DC, with a permissible range of 20.4 V to 28.8 V DC. Integrated memory includes 150 kbyte work memory and 2 Mbyte load memory.
- Diagnostics and timing: The CPU has a diagnostic buffer, RUN/STOP, ERROR and MAINT LEDs, 2 configurable traces, and a typical bit-operation processing time of 0.08 μs per instruction.
- Mounting and protection: The IP degree of protection is IP20. Up to 8 modules are supported in all mounting positions up to 40 °C.
Frequently Asked Questions
1. How many I/O channels does Siemens 6ES7212-1AF40-0XB0 have?
It has 8 digital inputs, 6 digital outputs and 2 analog inputs. It has 0 analog outputs.
2. Which analog signal range does this CPU support?
Its 2 analog inputs support 0 to +10 V, with an input resistance of ≥100k ohms.
3. What supply voltage and mounting protection should be verified?
The rated supply is 24 V DC, with a permissible range of 20.4 V to 28.8 V DC. The protection degree is IP20, and up to 8 modules are supported in all mounting positions up to 40 °C.
