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RASPBERRY PLC 57R CORE

Raspberry Pi PLC for DIN rail with 18 inputs and 33 outputs, 24 of them relays, two Ethernet ports and two RS-485 ports, running Linux for Python and Node-RED.

Ships with 4 GB RAM and Linux preinstalled, no expansion board.

I/O
18 inputs (12 analog 0-10 V), 33 outputs (24 relays, 9 analog/PWM)
Comms
2 x Ethernet, 2 x RS-485, Wi-Fi, Bluetooth LE, I2C, SPI
Built in
UPS for safe shutdown, real-time clock
Power
12 to 24 Vdc, DIN rail, IP20
Specifications, documents and projectsPowered by Raspberry Pi
812.75 € 812.75 €

  • # CPU Type #
  • # Device #
  • # Inputs #
  • # Relay #
  • # Outputs #
  • Ethernet
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Need more RAM, LoRa or 4G? See FLEX
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# CPU Type #: Raspberry Pi
# Device #: PLC
# Inputs #: 11-20
# Relay #: 21-30
# Outputs #: 31-40
Ethernet: Yes



Raspberry PLC 57R: Raspberry Pi PLC with 51 I/O, 24 relays and dual Ethernet

The Raspberry PLC 57R is an industrial PLC from Industrial Shields built around a Raspberry Pi. It has 18 inputs (12 analog 0-10 V) and 33 outputs (24 relays, 9 analog/PWM), two Ethernet ports, two RS-485 ports, Wi-Fi and Bluetooth LE, plus a UPS that shuts Linux down safely on power loss. It runs Debian 64-bit, so you program it in Python, Node-RED, C/C++ or any Linux tool. It suits installations with a high number of relay loads, such as irrigation, HVAC and building automation.

You are viewing the CORE version. Ships with 4 GB RAM and Linux preinstalled, no expansion board.

See FLEX Configure RAM, options and expansion

Documents

Datasheets

Certificates

Brochures

Technical specifications

ComputerRaspberry Pi 4, Broadcom BCM2711 quad core 64-bit, 1.8 GHz
RAMCORE: 4 GB. FLEX: 2, 4 or 8 GB
Operating systemDebian Bookworm 64-bit, preinstalled
Inputs18: 12 analog/digital (0-10 V, 12-bit) and 6 digital optoisolated, 5 to 24 Vdc, 6 with interrupt
Outputs33: 9 analog/digital/PWM (0-10 V, 12-bit), 24 relays (230 Vac 4 A / 24 Vdc 2 A, resistive)
Ethernet1 x Gigabit and 1 x 10/100, RJ45
Serial and buses2 x RS-485 half duplex with 120 Ω termination, TTL serial, I2C, SPI
Wireless and USBWi-Fi, Bluetooth LE, 2 x USB 2.0, 2 x USB 3.0
ReliabilityUPS with supercapacitors for safe shutdown, DS3231 real-time clock with battery, external heatsink
Power supply12 to 24 Vdc with polarity protection
Environment0 to 50 °C operating, 10 to 90 % humidity without condensation
Mounting and protectionDIN rail TS35, IP20, inside a cabinet
ExpansionCORE: none. FLEX: one board, CAN, LoRa (EU, US or Asia band) or 4G (LTE-M/NB-IoT or LTE Cat 4)
AntennaExternal antenna available on request

Projects built with the Raspberry PLC 57R

Field-tested examples with code from the PLC Solution Library.

See all projects in the PLC Solution Library

Before you choose the Raspberry PLC 57R

How much RAM does it have?

The CORE version has 4 GB of RAM. The FLEX version lets you choose 2, 4 or 8 GB.

How do I program it?

It ships with Debian 64-bit. Connect by SSH to 10.10.10.20 (eth0) and use Python, Node-RED, C/C++ or shell scripts. Industrial Shields libraries give direct access to the inputs and outputs.

What can the relay outputs switch?

Each relay switches up to 4 A at 230 Vac or 2 A at 24 Vdc with a resistive load. For inductive loads, add an RC snubber sized for the load.

What happens on a power failure?

The built-in UPS keeps the Raspberry Pi running long enough to shut Linux down cleanly, so the SD card and your data are not corrupted. The real-time clock keeps the time with its own battery.

Can it do CAN, LoRa or 4G?

Not in the CORE version. The FLEX version adds one expansion board: CAN, LoRa or 4G (LTE-M/NB-IoT or LTE Cat 4).