Product datasheet

Product code: 2020010-1

Unipi Neuron S103 (Raspberry Pi 4)

PRODUCT DESCRIPTION
Unipi Neuron S103 (Raspberry Pi 4) is a programmable logic controller designed for automation, control, regulation
and monitoring. The S103 (Raspberry Pi 4)‘s universal architecture includes digital and analog I/Os, making it
suitable for simple installations. The controller also features a single RS485 serial interface and a 1-Wire interface
for connecting digital humidity or temperature sensors. The S103 (Raspberry Pi 4) is a variant of the basic S103
model, featuring the Raspberry Pi 4 Model B as its computing module.

COMPUTING MODULE FUNCTIONALITY

Raspberry Pi 4 Model B Smart home control (lighting, doors, smart locks,
(quad-core 1.5 GHz CPU, irrigation etc.), automation, remote online supervision,
selectable RAM capacity – 2/4/8 GB) monitoring and regulation, HVAC control, SCADA,
sensors, IoT/IIoT
FEATURES
Inputs/outputs Communication interfaces
4 × digital input incl. counter 1 × RS485
4 × digital output 1 × 1-Wire bus
1 × analog input 1 × 1Gbit Ethernet
1 × analog output 2 × USB 2.0
2 × USB 3.0

Software Other features

 Powered by OS Linux  Built-in webserver
 Mervis – IDE (IEC 61131-3), HMI editor, proxy  Special functions – Direct Switch,
server, cloud database, SCADA, a wide range MasterWatchdog, user LEDs
of supported protocols  Durable aluminium chassis (IP20)
 Commercial solutions– CODESYS, REXYGEN  Available in an OEM variant
 Open-source solutions – Node-RED, openHAB,  Custom development available (IQRF, LoRa,
Homebridge, FHEM, PiDome, DomotiGa, wM-Bus, ZigBee, EnOcean and more)
Domoticz, Pimatic and many others
 Custom SW implementation – EVOK open API,
Modbus TCP interface, SysFS

www.unipi.technology Jarní 44g, 614 00, Brno

+420 533 433 392 Rev 03/2021
info@unipi.technology Czech Republic
 Unipi Neuron S103 (Raspberry Pi 4)

Communication Analog inputs

Ethernet 1 × 1 Gbit Ethernet Nr.of inputs × groups 1×1
Serial/bus channels 1 × RS485, 1 × 1-Wire AGND
Common connector
RS485 transmission speed 134 baud .. 115 200 baud
RS485 galvanic isolation Yes 0–10 V
Available functions
Yes, 560 Ω 0–20 mA
RS485 biasing resistors
Galvanic isolation No
RS485 terminating resistor Builtin attachable, 120 Ω
1-Wire galvanic isolation Yes Resolution 12 bits
1-Wire output voltage Vcc 5V Conversion speed 10 μs
1-Wire max. current Vcc 50 mA 66 kΩ — U
Input resistance
1-Wire connector 3 × pole, max. 1.5 mm2 100 Ω — I
WiFi IEEE 802.11b/g/n Resistance measurement method —
Bluetooth 4.2, Low Energy (BLE)
WiFi/Bluetooth antenna Internal
USB 2 × USB 2.0, 2 × USB 3.0 Analog outputs
Nr. of outputs × groups 1×1

Digital inputs Common connector AGND

Nr. of inputs × groups 4×1 AO 0–10 V / 0–20 mA
Common connector DIGND Available functions Resistance measurement: 0–2 kΩ
Galvanic isolation Yes Pt/Ni1000)
Counter (w/o memory), Galvanic isolation No
Functions of inputs 10 V / 20 mA
signalization, Direct Switch Max. voltage/current
Max. frequency of counter input 10 kHz Resolution 12 bits
signal
Input voltage of log. 0 Max. 3 V DC Conversion speed 1 ms
Input voltage of log. 1 Min. 7 V DC Resistance measurement method 2wire
Max. input voltage 35 V DC
Input resistance 6 200 Ω
Power supply
Delay 0–>1/1–>0 20 μs / 60 μs
Rated voltage - SELV 24 V DC
Typ. 3 W
Digital outputs Power consumption
Max. 12 W
Nr.of outputs × groups 4×1 Reverse polarity protection Yes
Common connector DOGND
Galvanic isolation No Installation and operating conditions
Type of output NPN transistor (open collector)
0 °C .. + 55 °C, relative humidity 10 % .. 95 %,
Optional functions PWM
Operating conditions without aggressive substances, condensing
Switchable voltage 5–50 V DC vapour and fog
Switchable current 750 mA / 1 A - 25 °C .. + 70 °C, relative humidity
continual/pulse Storing conditions 10 % .. 95 %, without aggressive substances,
Max. total current 1A condensing vapour and fog
DO1 – DO4 Degree of protection IP 20
PWM max. frequency 200 kHz IP
PWM max. resolution 16 bits (IEC 529)
On 35mm DIN rail into distribution box (holder
Installation
included)
Connection Pluggable terminal blocks
Wire gauge Max. 2.5 mm2

Dimensions and weight

72 × 90 × 55.5 mm
Dimensions
(without DIN rail)
Weight 191 g

Directive compliance
EMC: 2014/30/EU
RED: 2014/53/EU
RoHS: 2015/863/EU
WEEE: 2012/19/EU

www.unipi.technology Jarní 44g, 614 00, Brno

+420 533 433 392 Rev 03/2021
info@unipi.technology Czech Republic