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Unipi Axon S115

Axon

Unipi Axon S115 is a programmable logic controller (PLC) and gateway designed for automation, control, regulation and monitoring. The S105 is a compact model with a universal architecture combining digital and analog I/Os suitable for simple installations. The S115 has a special feature of four RS485 serial interfaces - this makes the controller for integration into extensive serial buses or as an aggregator for various serial protocols. The controller also features a 1-Wire interface for connection of digital temperature or humidity sensors. 

Features

  • designed for extensive automation networks
  • four RS485 serial lines along with 10 I/Os in a small package
  • durable aluminium chassis (IP20 protection), wider operating temperature range
  • integrated industrial computer (quad-core CPU, 1 GB RAM)
  • onboard 8GB eMMC memory
  • designed for DIN rail mounting
  • software openness (based on Linux OS)
  • preinstalled Mervis software (can be manually reflashed)

Note: Production discontinued. The product is replaced by the Unipi Patron S117.

Discontinued

Product description

Unipi Axon S115 is a programmable logic controller (PLC) and gateway designed for automation, control, regulation and monitoring. The S105 is a compact model with a universal architecture combining digital and analog I/Os suitable for simple installations. The S115 has a special feature of four RS485 serial interfaces - this makes the controller for integration into extensive serial buses or as an aggregator for various serial protocols. The controller also features a 1-Wire interface for connection of digital temperature or humidity sensors.

Basic features

Digital inputs 4 Common features
1.2GHz quad-core ARM CPU, 1GB RAM
8GB eMMC onboard memory
2× USB 2.0
1× 1Gbit Ethernet
Wi-Fi, Bluetooth
Extended operating temperature range
Aluminium chassis (IP20)
Digital outputs 4
Analogue inputs 1
Analogue outputs 1
RS485 serial interface 4
RS232 serial interface -
1-Wire bus 1
Ethernet 1

Inputs & outputs description

Digital inputs (DI) are designed for reading logic states represented by direct voltage levels. That makes DI's suitable for reading data from various two-state (binary) devices and sensors such as switches (on/off), motion sensors (movement/no movement), liquid level sensors (tank empty/tank full) etc. All digital inputs also feature counter functionality by default. 

Digital outputs (DO) are suited for switching various two-state devices such as lighting, door locks, shutter drives etc. DO's also feature power-width modulation (PWM) functionality that allows them to be used for analog control. 

Analog input (AI) is designed to measure voltage, current or resistance to read values from various analogue sensors such as thermometers, pressure meters, tensometers etc.

Analog output (AO) serves for control of multi-state external devices through direct voltage or current and is suitable for control and regulation of devices such as three-way valves, heat exchangers, electric motors etc. 

Computing module

Axon controllers are powered by a quad-core, 1.2GHz Alwinner H5 CPU and feature a 1GB RAM for an excellent performance. The 8GB onboard eMMC memory then offers better reliability compared to systems relying on microSD cards as memory storage. 

Communication interfaces

By default, all Axon controllers feature RS485 serial lines. This type of interface usually uses the Modbus RTU protocol and can be used for communication with various devices such as Extension xS extension modules, energy meters, touchscreen HMI displays, controllers from other vendors, various sensors etc. A single bus can support dozens of devices while its length can reach up to several hundred meters.

Selected models also feature a single RS232 serial line. In the field of automation, this interface is usually used for communication with various converters, closed-in technologies or display devices such as HMI panels. 

A single 1-Wire bus is also available on selected models. This interface uses 2-3 conductors for collecting data from various 1-Wire sensors such as thermometers, humidity meters, light intensity sensors etc.). A single 1-Wire bus supports up to 15 devices, the overall length of the bus can reach up to 200 meters. 

By default, all Axon controllers feature a single 1Gbit Ethernet port for network communication. 

Software options

Thanks to the software openness of Unipi controllers customers can choose from a broad range of software solutions and are not limited to a single platform Among supported solutions are both commercial and open-source systems. Visit the Other software overview for the list of other supported solutions.

The main supported solution is the Mervis control system - a platform developed under the IEC 61131-3 standard for PLC programming, that includes SCADA interface for remote management and monitoring, a comprehensible development environment, a human-machine interface (HMI) editor and an online/on-premise database for storing historical data and retrospective analysis of the controlled technology's operation. 

Aside from commercial platforms you can also choose any from the list of supported open-source solutions, or use the EVOK API (Websocket, REST,...) Modbus TCP, SysFS or other tools for implementing your logic in any programming language. Visit this link for the list of supported software solutions. 

Package contents

  • Axon controller
  • removable screw terminals
  • DIN rail holder (35 mm)
  • 2× DIN rail holder mounting screws
  • 1× grounding screw
  • instruction leaflet
  • lifetime Mervis license code

Other features

All components of the controller are encased within a durable aluminium chassis (IP20 protection). The controller is designed for mounting on a standard DIN rail (35 mm). 

Axon line model overview

Model DI DO RO AI AO RS485 RS232 1-Wire Common features
Type S, the size on DIN rail: 4 modules (7 cm)

1.2GHz quad-core ARM CPU

1GB RAM, 8GB eMMC onboard memory

2× USB 2.0

Wi-Fi, Bluetooth

Aluminium chassis (IP20)

Extended operating temperature range

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

Further information

Documentation

Instruction leaflet
Technical and safety information
download
Modbus register map
Table overview of Modbus registers
download
Product datasheet
Datasheet of the product
download
Certification
Declaration of conformity
download

CPU 4x 1.2 GHz
RAM 1 GB
USB 2.0 2
Ethernet 1 Gbit
Digital inputs 4
Digital outputs 4
Analog inputs 1
Analog outputs 1
RS485 interface 4
Internal memory 8GB eMMC
1-Wire bus Yes (galvanically isolated)
Power 24V DC
Mounting DIN (35 mm)
Dimensions 70 mm x 90 mm x 60 mm
RTC backup max. 7 days
Weigth 450 g
new
Patron

Unipi Patron S117

479,60 €
396,36 € excl. VAT

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