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UniPi Axon S115

Axon

UniPi Axon S115 is a programmable logic controller (PLC) designed for control, monitoring and regulation. The S115 features four RS485 lines, being designed primarily for the control of extensive automation networks

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)

Axon
Power supply

399,00 € - 427,09 €
329,75 € - 352,97 € excl. VAT
Less than 20 items in stock

pcs

Product description

UniPi Axon S115 is a specialized variant of the basic S105 model. The I/O configuration remains unchanged with the exception of replacing an RS232 line with three additional RS485 lines. That gives the S115 a total of four RS485 lines. The unit can be utilized in various systems requiring either interconnection between technologies from different vendors, or interconnection of several devices using different communication protocols. 

Basic features

Digital inputs 4 Common features
Industrial computer
(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 to read binary logic states represented by direct voltage levels. That makes them suitable for reading data from various binary sensors and devices such as switches (on/off), motion sensors (movement detected/not detected), liquid level sensors (full tank/empty tank) etc. 

Digital outputs (DI) are intended for switching various binary devices (lighting, smart door locks, drives of shutters and blinds etc.) through direct voltage. DO's also feature a Pulse-Width Modulation (PWM) function allowing to use the output for analogue control. 

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

Analogue 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

As a computing module, the Axon controllers use an industrial computer featuring a quad-core, 1.2GHz Alwinner H5 CPU and 1GB RAM, giving Axons an excellent performance. The 8GB onboard eMMC memory then offers better reliability compared to systems relying on microSD memory cards. 

Communication interfaces

Axon controllers are by default provided with RS485 serial lines. This type of interface usually uses the Modbus RTU protocol and can be used to communicate 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 the bus' 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 featured 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 100 meters. 

All Axon models also 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 proprietary platform. Among supported solutions are both commercial and open-source systems. 

The main supported platform for Unipi controllers is the Mervis control system. This platform is developed under the IEC 61131-3 PLC programming standard and consists of comprehensible and user-friendly Mervis IDE development environment, an HMI editor for creating and editing of user interfaces, SCADA interface and an online/on-premise cloud database for long-term collecting of operational data and their analysis. Axon-line controllers are shipped with the Mervis already installed. 

Aside from commercial platforms (such as CODESYS), customers can also choose from a variety of open-source solutions; for the supported software overview please visit this link.

Alternatively, customers can use the Unipi-developed EVOK open-source API to integrate Unipi controllers into already existing software solutions, use custom code or to develop applications for the controllers.

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 model overview

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

Quad-core ARM CPU (1.2 GHz)
1 GB 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 - - - - -
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
M505 10 4 5 5 5 3 1 1
M515 6 - 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
L505 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

Datasheet
Datasheet of the product
download
Certification
Declaration of conformity
download
Instruction leaflet
Technical and safety information
download

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