Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | CPU 1212FC DC/DC/relay |
| Digital inputs | 8; 24 V DC; 6 usable for HSC |
| Digital outputs | 6; relay; 2 A maximum resistive load |
| Analog inputs | 2; 0 to +10 V |
| Supply voltage | DC 20.4-28.8 V DC |
| PROFINET interface | 1; 100 Mbit/s maximum |
| Work memory | 150 kbyte |
| Load memory | 2 Mbyte |
| Processing time, bit operations | 0.08 μs typical per instruction |
| Diagnostics | Diagnostic buffer; RUN/STOP, ERROR, and MAINT LEDs |
| Potential separation | Digital inputs: 500 V AC for 1 minute |
| Protection degree | IP20 |
Applications
- PROFINET IO control: Supports PROFINET IO Controller and PROFINET IO device communication.
- Open communication: Supports TCP/IP, ISO-on-TCP (RFC1006), UDP, OPC UA Server, MODBUS, and S7 communication.
- Web-based access: Provides a web server with user-defined websites.
Key Features
- Digital I/O: Has 8 integrated digital inputs, including 6 usable for HSC, and 6 relay outputs with a maximum resistive load of 2 A.
- Analog inputs: Has 2 analog inputs for 0 to +10 V signals with ≥100k ohms input resistance.
- PROFINET communication: Has 1 PROFINET interface supporting PROFINET IO Controller, PROFINET IO device, and a maximum transmission rate of 100 Mbit/s.
- Supply and memory: Uses DC 20.4-28.8 V DC supply, with 150 kbyte integrated work memory and 2 Mbyte integrated load memory.
- Diagnostics and timing: Includes a diagnostic buffer, RUN/STOP, ERROR, and MAINT LEDs, 2 configurable traces, and a 0.08 μs typical bit-operation processing time.
- Isolation and installation: Digital inputs provide 500 V AC potential separation for 1 minute; the protection degree is IP20.
Frequently Asked Questions
1. How many digital and analog channels does the CPU 1212FC have?
It has 8 integrated digital inputs, 6 relay outputs, and 2 analog inputs.
2. Which analog signal range is supported?
The 2 analog inputs support 0 to +10 V signals.
3. What PROFINET functions are supported?
It supports PROFINET IO Controller and PROFINET IO device communication through 1 PROFINET interface, with a maximum transmission rate of 100 Mbit/s.
4. What supply voltage does the CPU require?
The supply voltage is DC 20.4-28.8 V DC.
5. What protection and isolation details should be verified before inquiry?
The protection degree is IP20. Digital inputs have 500 V AC potential separation for 1 minute; relay outputs have no separation between channels.
