Siemens 6ES72141BG400XB0 CPU 1214C
Key Specifications
| Parameter | Value |
|---|---|
| Power Supply | AC/DC/Relay |
| Digital Inputs | 14 |
| Relay Outputs | 10 |
| Communication | Ethernet, RJ45 |
| Memory | 100 kB |
| Mounting | DIN Rail |
| Ingress Protection | IP20 |
| Operating Temperature | 20°C to 60°C |
| Display | None |
| Expandable | Non-Expandable |
| Approvals | CE, cULus, FM, UL |
Overview
The 6ES72141BG400XB0 is a compact programmable logic controller in Siemens' S7-1200 family. The "B" in the model designation indicates an AC power input with relay outputs, which determines the type of power supply and output stage available for the control cabinet. This unit provides 14 digital inputs and 10 relay-type outputs in a single integrated module, suitable for moderate-scale automation tasks that do not require expansion modules.
The CPU communicates over Ethernet via an integrated RJ45 port, enabling connection to programming stations, HMIs, or higher-level control systems. With no built-in display, configuration and monitoring rely on TIA Portal software or external HMI devices.
Family Context
The 6ES7214x series represents the mid-range compact CPU offering within the S7-1200 platform. The fourth character after "1214" (G in this case) encodes the power supply and output type: G-series units feature AC input power with relay outputs. The trailing "XB0" suffix indicates the standard firmware and bulk packaging variant. The 1214C designation places this in the 14-input class, distinct from the smaller 1211C (6 DI/4 DO) and larger 1215C/1217C variants which offer additional on-board features or faster processing.
Similar Catalog Parts
The table below compares the primary part against in-catalog peers with shared specifications. These rows represent parametric similarity only — they are not approved interchange parts.
| Part Number | Inputs | Outputs | Memory | Temp Range | Similarity |
|---|---|---|---|---|---|
| 6ES72141BG400XB0 | 14 Digital | 10 Relay | 100 kB | 20°C–60°C | — |
| 6ES72141HG400XB0 | 14 Digital | 10 Relay | 100 kB | 20°C–60°C | 0.92 |
| 6ES72141AG400XB0 | 14 Digital | 10 Solid State | 100 kB | 20°C–60°C | 0.92 |
| 6ES72151AF400XB0 | 14 Digital | 10 Digital | 150 kB | 0°C–55°C | 0.84 |
Why they are similar
- 6ES72141HG400XB0 shares the same relay output configuration and memory capacity but uses DC input power instead of AC, making the power supply type the primary selection differentiator.
- 6ES72141AG400XB0 matches the I/O count and memory but substitutes solid-state outputs for the relay type, affecting the switching characteristic and expected load compatibility.
- 6ES72151AF400XB0 is a 1215 FC variant with increased memory and digital-only outputs, suited for applications requiring larger program scope with solid-state switching.
FAQ
What power supply type does the 6ES72141BG400XB0 require? The unit accepts AC input power and provides relay-type outputs, as indicated by the "AC/DC/RELAY" designation in its title.
Can the 6ES72141BG400XB0 be expanded with additional I/O modules? The record lists this CPU as non-expandable; the base unit provides the full 14 digital inputs and 10 relay outputs without module additions.
What communication interface is available on this CPU? The integrated Ethernet port with RJ45 connector supports standard S7 communication, programming, and HMI connectivity.