Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | CPU 1214C DC/DC/relay |
| Digital inputs | 14; Integrated; 24 V DC |
| Digital outputs | 10; Relays |
| Analog inputs | 2; 0 to +10 V |
| Analog outputs | 0 |
| Supply | 20.4 V to 28.8 V DC |
| PROFINET interfaces | 1; isolated; RJ 45 Ethernet |
| Work memory | 75 kbyte |
| Load memory | 4 Mbyte |
| Conversion time per analog channel | 625 μs |
| Protection | IP20 |
Applications
- Digital signal acquisition: The integrated digital inputs acquire 24 V DC signals, including high-speed counting on 6 inputs.
- Relay output control: The relay outputs control loads with resistive-load switching capacity up to 2 A.
- Analog voltage acquisition: The 2 analog inputs acquire voltage signals from 0 to +10 V.
- PROFINET communication: The PROFINET interface supports PROFINET IO Controller communication.
Key Features
- Compact CPU with onboard I/O: CPU 1214C DC/DC/relay with 14 integrated digital inputs, 10 relay digital outputs, and 2 analog inputs.
- Digital input and relay output channels: Digital inputs: 14 at 24 V DC. Relay outputs: 10, with switching capacity up to 2 A for resistive load.
- Analog input range: 2 analog inputs support 0 to +10 V; input resistance is ≥100k ohms.
- PROFINET communication: 1 isolated PROFINET interface with RJ 45 Ethernet connection and PROFINET IO Controller support.
- Supply and memory: Supply: 20.4 V to 28.8 V DC. Integrated work memory: 75 kbyte; integrated load memory: 4 Mbyte.
- Diagnostics and mounting protection: Diagnostic buffer, forcing, status/control variables, and IP20 degree of protection are supported.
Frequently Asked Questions
1. How many onboard I/O channels does the Siemens 6ES7214-1HG31-0XB0 have?
It has 14 integrated digital inputs, 10 relay digital outputs, 2 analog inputs, and 0 analog outputs.
2. What analog signal range does this CPU support?
Its 2 analog inputs support 0 to +10 V, with ≥100k ohms input resistance.
3. Which communication interface and protocol are supported?
It has 1 isolated PROFINET interface with an RJ 45 Ethernet connection and supports PROFINET IO Controller.
4. What supply voltage does the CPU require?
The permissible DC supply range is 20.4 V to 28.8 V.
