The CPU 1214C (AC/DC/Relay) is a compact PLC from the SIMATIC S7-1200 family by Siemens AG.
Order Number: 6ES7214-1BG40-0XB0
This model features:
120–230 V AC power supply
24 V DC digital inputs
Relay digital outputs
Integrated PROFINET communication
It is ideal for applications where AC supply is available and relay outputs are required for switching higher voltage loads.
Power Supply Voltage: 85 – 264 V AC
Frequency: 47 – 63 Hz
Protection Class: IP20
Mounting: DIN Rail
Operating Temperature: 0°C to +55°C
Work Memory: 100 KB
Load Memory: SIMATIC Memory Card (optional)
Retentive Memory: Yes
Digital Inputs (DI):
14 × 24 V DC
Digital Outputs (DO):
10 × Relay outputs
Output rating: Up to 2 A per output (resistive load)
Analog Inputs (AI):
2 × 0–10 V
1 × PROFINET Port (RJ45)
Supports:
PROFINET IO Controller
TCP/IP
S7 Communication
Programming Software: TIA Portal
Supports:
Signal Modules (SM)
Communication Modules (CM)
Signal Boards (SB)
Expandable up to multiple additional I/O modules depending on system configuration.
Bit processing time: ~0.08 µs
Integrated high-speed counters
PTO / PWM outputs (limited due to relay type)
Built-in Web Server for diagnostics
| Feature | 1AG40-0XB0 | 1BG40-0XB0 |
|---|---|---|
| Power Supply | 24V DC | 120–230V AC |
| Output Type | Transistor | Relay |
| High-Speed Switching | Yes | Limited |
| Suitable for AC Loads | No | Yes |
S7-1200 PLC CPU Model Name, | Description, | Siemens Part Number(Order Code) |
|---|
| CPU 1211C DC/DC/DC | Entry-level compact PLC with integrated I/O | 6ES7211-1AE40-0XB0 |
| CPU 1211C AC/DC/Relay | AC supply, relay outputs variant | 6ES7211-1BE40-0XB0 |
| CPU 1211C DC/DC/Relay | DC power, relay outputs | 6ES7211-1HE40-0XB0 |
| CPU 1212C DC/DC/DC | Standard performance compact PLC | 6ES7212-1AE40-0XB0 |
| CPU 1212C AC/DC/Relay | AC version with relay outputs | 6ES7212-1BE40-0XB0 |
| CPU 1212C DC/DC/Relay | DC power with relay outputs | 6ES7212-1HE40-0XB0 |
| CPU 1214C DC/DC/DC | Mid-range compact CPU | 6ES7214-1AG40-0XB0 |
| CPU 1214C AC/DC/Relay | Mid-range CPU with AC/relay outputs | 6ES7214-1BG40-0XB0 |
| CPU 1214C DC/DC/Relay | Mid-range DC with relay outputs | 6ES7214-1HG40-0XB0 |
| CPU 1215C DC/DC/DC | Higher-performance CPU | 6ES7215-1AG40-0XB0 |
| CPU 1215C AC/DC/Relay | Higher performance with AC/relay | 6ES7215-1BG40-0XB0 |
| CPU 1215C DC/DC/Relay | Higher performance DC with relay | 6ES7215-1HG40-0XB0 |
| CPU 1217C DC/DC/DC | Top performance compact CPU | 6ES7217-1AG40-0XB0 |
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