Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | CPU 1215C DC/DC/DC |
| Digital inputs | 14; 24 V DC |
| Digital outputs | 10; 24 V DC; 0.5 A |
| Analog inputs | 2; 0 to +10 V |
| Analog outputs | 2; 0 to 20 mA |
| PROFINET interfaces | 2; RJ 45 Ethernet |
| Supply | DC 20.4 V to 28.8 V DC |
| Work memory | 100 kbyte integrated |
| Load memory | 4 Mbyte integrated |
| Protection | IP20 |
Applications
- High-speed counting: The 6 technological digital inputs support HSC functions, including single phase: 3 at 100 kHz and 3 at 30 kHz, and differential: 3 at 80 kHz and 3 at 30 kHz.
- Pulse output: 4 digital outputs support 100 kHz Pulse Train Output.
- PROFINET communication: The CPU supports PROFINET IO Controller communication through 2 PROFINET interfaces.
- Control and measurement: The CPU provides analog voltage inputs from 0 to +10 V and analog current outputs from 0 to 20 mA.
Key Features
- Compact CPU and power supply: CPU 1215C DC/DC/DC with a 24 V DC rated supply and permissible supply range of 20.4 V to 28.8 V DC.
- Digital I/O: 14 integrated digital inputs and 10 digital outputs; 6 inputs support HSC functions, and 4 outputs provide 100 kHz Pulse Train Output.
- Analog I/O: 2 analog inputs support 0 to +10 V, while 2 analog outputs support 0 to 20 mA.
- PROFINET communication: 2 isolated PROFINET interfaces with RJ 45 Ethernet connectors, PROFINET IO Controller support, autonegotiation and autocrossing.
- Processing and memory: 100 kbyte integrated work memory, 4 Mbyte integrated load memory, and typical processing times of 0.085 μs for bit operations, 1.7 μs for word operations and 2.5 μs for floating point arithmetic per instruction.
- Diagnostics and protection: Diagnostic buffer present, IP20 degree of protection, and digital output short-circuit protection not included; it must be provided externally.
Frequently Asked Questions
1. How many I/O channels does Siemens 6ES7215-1AG31-0XB0 have?
It has 14 digital inputs, 10 digital outputs, 2 analog inputs and 2 analog outputs.
2. Which analog signal ranges does the CPU support?
The analog inputs support 0 to +10 V, and the analog outputs support 0 to 20 mA.
3. Which communication interfaces and protocols are available?
It has 2 isolated PROFINET interfaces with RJ 45 Ethernet connectors and supports PROFINET IO Controller, TCP/IP, ISO-on-TCP (RFC1006), UDP, MODBUS and S7 communication.
4. Is short-circuit protection included for the digital outputs?
No. Digital output short-circuit protection must be provided externally.
