Comparison of Unipi Neuron and Unipi Axon product lines

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Find out what are the differences between the Unipi Neuron and Unipi Axon product lines.

Unipi Neuron and Unipi Axon product lines represent compact and powerful controllers suitable for a wide range of applications. The Neuron line, based on the Raspberry Pi computer and utilizing an external memory card, is suitable for a wide range of automation projects, from smart home to HVAC (heating, ventilation, air conditioning) control to remote monitoring and management. The Axon line, being powered by an industrial computer with Allwinner-H5 quad-core ARM CPU and an 8GB eMMC onboard memory, is a good choice for industrial automation and other demanding environments (SCADA system control, photovoltaics etc.). On this link, you can also download the comparison in the PDF format.

Note: The number and type of inputs, outputs and communication interfaces available on Neuron and Axon controllers differ depending on the specific model - see the input/output table below.

Comparison
     
Product line  Unipi Neuron Unipi Axon
Computing module
Module type Raspberry Pi 3 Model B
Raspberry Pi 4 Model B
Industrial computer
CPU RPi 3: Quad-core, 1.2 GHz
RPi 4: Quad-core, 1.5 GHz
Quad-core Allwinner-H5 (ARM), 1.2 GHz
RAM  Raspberry Pi 3: 1 GB
Raspberry Pi 4: Selectable capacity (2/4/8 GB)
1 GB
Internal memory microSD memory card Onboard 8GB eMMC memory
Inputs and outputs
Digital inputs Yes Yes
Digital outputs Yes Yes
Relay outputs Yes Yes
Analog inputs Yes Yes
Analog outputs Yes Yes
Communication interface
RS485 Yes Yes
RS232 No Yes
1-Wire Yes Yes
Ethernet Raspberry Pi 3: 100 Mbit
Raspberry Pi 4: 1 Gbit
1 Gbit
USB Raspberry Pi 3: 4× USB 2.0
Raspberry Pi 4: 2× USB 2.0 + 2× USB 3.0
2× USB 2.0
Software
Open-source Yes, powered by Linux OS Yes, powered by Linux OS
Mervis Licence request included in the package Preinstalled, licence request included in the package
API EVOK, Modbus TCP, SysFS EVOK, Modbus TCP, SysFS
Other features
Dimensions Type S: 70×90×60 mm
Type M: 140×90×60 mm
Type L: 210×90×60 mm
Type S: 70×90×60 mm
Type M: 140×90×60 mm
Type L: 210×90×60 mm
DIN rail mount
(35 mm)
Yes Yes
Aluminium chassis
(IP20)
Yes Yes
Warranty duration 2 years 2 years
Special models GPRS/GSM module (S103-G)
IQRF module (S103-IQRF)
IQRF module (S175)
LTE module (M265, M565)
IEC 62386 channels (S605)
Customization options Yes Yes
Recommended use Automation projects, HVAC, control, monitoring, remote management, SCADA, sensorics, smart home... Automation projects, industrial automation, HVAC, control and monitoring, remote management, SCADA, sensorics, smart home...
Display on e-shop Display the Neuron line Display the Axon line

Neuron line overview

Name DI DO RO AI AO RS485
Type S, the size on DIN rail: 4 modules = 7 cm
S103 4 4 - 1 1 1
S103 (Raspberry Pi 4)1 4 4 - 1 1 1
S103-G2 4 4 - 1 1 1
S103-IQRF3 4 4 - 1 1 1
Type M, the size on DIN rail: 8 modules = 14 cm
M103 12 4 8 1 1 1
M203 20 4 14 1 1 1
M303 34 4 - 1 1 1
M523 8 4 5 5 5 2
Type L, the size on DIN rail: 12 modules = 21 cm
L203 36 4 28 1 1 1
L403 4 4 56 1 1 1
L523 24 4 19 5 5 2
L533 12 4 10 9 9 3

1) Powered by Raspberry Pi 4 Model B
2) GSM/GPRS module
3) IQRF wireless network coordinator (learn more)

Axon line model overview

Model DI DO RO AI AO RS485 RS232 1-Wire
Type S, the size on DIN rail: 4 modules (7 cm)
S105 4 4 - 1 1 2 1 1
S115 4 4 - 1 1 4 - 1
S1551 4 4 - 1 1 2 1 1
S1753 4 4 - 1 1 2 1 1
S205 8 - 8 - - 1 - 1
S215 8 - 8 - - 1 1 -
S505 - - - 4 4 1 - 1
S515 - - - 4 4 1 1 -
S6054 - - - - - 1 1 -
Type M, the size on DIN rail: 8 modules (14 cm)
M205 20 4 14 1 1 2 1 1
M2652 20 4 14 1 1 2 - 1
M525 8 4 5 5 5 3 1 1
M535 4 - 5 8 8 2 1 -
M5652 8 4 5 5 5 3 - 1
Type L, the size on DIN rail: 12 modules (21 cm)
L205 36 4 28 1 1 2 1 1
L525 24 4 19 5 5 3 1 1

1) Ethernet (1 Gbit + 10/100 Mbit)
2) wireless LTE module
3) IQRF wireless network coordinator (learn more)
4) IEC 62386 (DALI-compatible)

Further info