---
title: "PLC Communication Central"
url: "https://maker.wiznet.io/WIZnet/projects/plc-communication-central/"
markdown_url: "https://maker.wiznet.io/WIZnet/projects/plc-communication-central/md"
type: "UCC: User Created Content"
author: "janvb"
author_url: "https://www.basicpi.org/projects/plc/plc-communication-central/"
editor: "WIZnet"
editor_url: "https://maker.wiznet.io/"
original_author: "janvb"
original_url: "https://www.basicpi.org/projects/plc/plc-communication-central/"
published: "2023-02-01"
language: "en"
hardware: ["WIZnet W5500"]
likes: 3
views: 271
comments: 0
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# PLC Communication Central

> The PLC Communication Central offers GSM, GPS, Ethernet, Wifi, Bluetooth with a powerfully STM32F405 as core. Full annotaded schematics

Original author: janvb (source: https://www.basicpi.org/projects/plc/plc-communication-central/)

## Components

- **WIZnet W5500** x 1 ([docs](https://docs.wiznet.io/Product/Chip/Ethernet/W5500))

WIZnet parts: W5500 ([Datasheet](https://docs.wiznet.io/Product/Chip/Ethernet/W5500/datasheet?utm_source=maker&utm_medium=project&utm_campaign=w5500), [product hub](https://maker.wiznet.io/products/w5500/))

## Article

**DETAILS**

- 4 pin HMI header allowing a display to be connected.

- Super capacitor for RTC.

- BasicPI Standard SWD for programming/debugging.

- W5500 for Ethernet.

- Raspberry PI Zero W mounting holes.

- Ethernet RJ45 connector.

- GPS Antenna

- GSM/GPRS Antenna

- Nano SIM Card holder.

- Standard mounting holes. M2.5 in each corner.

- SIM808 module for GPS/GSM,3G etc.

- Analogue Audio/USB connector.

- 4V PSU (MIC29302BU)

- 2 x MAX3485 for RS485.

- STM32F405RG 32 bit ARM M4 MCU.

- 3.3V PSU (LM1113)

- 40 pin PLC backbone connector

- 40 pin Raspberry PI 2/3/Zero W connector

- Audio/USB available on back side. 5V + VBUS available here.

- Test holes for PCM

- Extra wiring to enable swapping of PCM In/Out

---

Source: https://maker.wiznet.io/WIZnet/projects/plc-communication-central/