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PR100, PR200, PR205 PR102, PR103, PRM
MINI‑PLC Programmable relays

Product Line

Programmable Relays. Overview

The PR range from akYtec is a free-programmable mini‑PLC designed for small systems, automating processes with up to 150 input/output points

Programming is done using the free ALP software, which allows you to create your own algorithms using FBDs or function blocks in ST

Main features of the PR series

  • Version with analog
    outputs on board
  • A variety of digital and analog I/O on board
  • Version with Ethernet and support for up to 2×RS-485
  • Simple setup straight
    out of the box
  • Absolutely free
    software
  • Voltage and current AI, configurable
    via ALP with one click

General Information

Design features

  • Removable terminal blocks for easy installation
  • Possibility of quick battery replacement
  • Compact dispenser housing for 5 or 7 dispensers
  • Quick connection of PRM modules AND USB port for programming
Design features Design features

Programming in ALP

Programming in ALP

The akYtec ALP software required for programming is free of charge. It features programming with Function Block Diagrams (FBD) with support of blocks within ST programs

Free software for programming and customization
  • Programming in ALP Screenshot
  • Availability of an online library with a large number of free macros for your applications.
  • Programming the PR does not require special skills, as it is done using ALP's simple, built-in programming environment
  • The environment supports the FBD function block language, which complies with IEC 61131-3. It also allows writing functions in the ST text-based language
  • Programming via USB: All PR series devices can be programmed via USB or through integrated interfaces

Affordable controller — PR100

PR100 is a compact industrial controller designed to solve basic automation tasks

The control algorithm is uploaded to the device via a micro USB cable

  • The largest number of inputs and outputs for this price on the market
  • Temperature -40°C ... +55°C - Ability to operate in harsh climatic conditions
  • V, mA analog inputs for all kinds of devices, which you can change via ALP with one click
  • 20 I/O channels on board
  • Modification with 8DI + 8DO + 4AI
  • Working out of the box! Simply connect the device via USB and get to work!
PR100 PR100 Price PR100 Features PR100 Features
*The device price starts at €89.99

PR100 Applications

Control of fire extinguishing pumps

  • Universal inputs: operation with relays (DI) or pressure transmitters (AI)
  • Data transmission to the operator's workstation (RS-485 on board)
  • Versatility: selection of delay time, any logic of pump operation
  • Operation in unheated rooms (-40 °C)
  • Possibility to add a jockey pump or other additional signals: up to 20 I/O channels on board
PR100 Control of fire extinguishing pumps

Scissor lift control

  • Modifications with 12/8 DI/DO
  • Installation on mobile platforms: power supply = (9..30) V
  • Operation in unheated rooms (-40°) and greenhouses (+55°)
  • Programmed in 1 day - simple environment with ready-made function blocks
  • Possibility to add additional modules via RS-485.
PR100 Scissor lift control

Lighting control

  • Control of up to 8 lighting groups
  • Operation via multiple light sensors for different lighting groups
  • Compact ‘automatic’ housing with a width of 5 modules
  • Easy integration into a control system or dispatching system - RS-485 interface on board
  • Ability to expand the system. Use of built-in DI or connection of additional modules via RS-485
PR100 Lighting control

PR100 Characteristics

Retain memory capacity 1024 bytes
Network variable memory capacity (Slave mode) 128 bytes
Storage capacity of fieldbus variables (Master mode) 128 bytes
Power supply = 24 V
DI 8
FDI
AI 4
DO 8 (R)
AO
Interface 1×RS-485
Protocol Modbus RTU/ASCII
Mode Master/Slave
Connection of PRM expansion modules
Built-in power supply
Operating temperature from - 40 to + 55 ºС
Screen
Overall dimensions 55x108x58 (with terminal blocks)

Controller with the I/O — PR102

PR102 is a controller equipped with a total of 40 built‑in inputs and outputs

Ideal for system controlling lighting, pumps, ventilation, heating, etc

  • 40 I/O channels on board
  • Temperature -40°C ... +55°C - Ability to operate in harsh climatic conditions
  • V, mA analog inputs for all kinds of devices, which you can change via ALP with one click
  • Modification with 16DI + 14DO + 8AI + 2AO
  • Working out of the box! Simply connect the device via USB and get to work!
  • Built-in Real Time Clock (RTC) with 5-year battery backup
PR102 PR102 Features PR102 Features
*The device price starts at €266.50

PR102 Applications

Maintaining the microclimate in the vegetable storehouse

  • Operation with temperature and humidity sensors: support 4...20 mA/0...10 V signals
  • Savings on cabling: distributed system via RS-485 interface
  • Control of ventilation, heating and dehumidification for winter storage
  • The availability of 2 RS-485 ports allows the connection of external modules as well as, for example, the transfer of information about the system to SCADA or the Cloud solutions
  • Up to 4 vegetable stores can be automated with 1 device! Using 4DI, 4DO and 2 AI for each vegetable storehouse
PR102 Maintaining the microclimate in the vegetable storehouse

Ventilation control

  • Possibility to connect a wide range of ventilation units
  • The availability of universal analog inputs allows you to connect all kinds of sensors
  • An analog output in the device allows you to control an electric heater
  • The availability of 2 RS-485 ports allows the connection of external modules as well as, for example, the transfer of information about the system to SCADA or the Cloud solutions
  • The ability to connect up to 2 PRM modules allows you to expand the system's capabilities without sacrificing performance or network variable memory.
PR102 Ventilation control

PR102 Characteristics

Retain memory capacity 1016 bytes
Network variable memory capacity (Slave mode) 128 bytes
Storage capacity of fieldbus variables (Master mode) 128 bytes
Power supply = 24 V
DI 16
FDI
AI 8
DO 14 (R)
AO 2
Interface 2×RS-485
Protocol Modbus RTU/ASCII
Mode Master/Slave
Connection of PRM expansion modules up to 2 pcs.
Built-in power supply
Operating temperature from - 40 to + 55 ºС
Screen
Overall dimensions 123x108x58 (with terminal blocks)

Controller with Ethernet — PR103

PR103 is the first akYtec programmable relay with Ethernet on board

Ability to connect directly to akYtec Cloud via Ethernet

  • Ethernet interface on the board with Modbus TCP
  • Ability to connect directly to akYtec Cloud via Ethernet
  • V, mA analog inputs for all kinds of devices, which you can change via ALP with one click
  • Up to 26 I/O channels on board
  • 4 of 10 digital inputs can be used as pulse counters processing signals from 100-kHz encoders
  • Working out of the box! Simply connect the device via USB and get to work!
PR103 PR103 Features PR103 Features
*The device price starts at €242.00

PR103 Applications

Filtration station

  • Possibility to connect 2 PRM modules to expand the number of I/O points in the system
  • The availability of universal analog inputs allows you to connect all kinds of sensors
  • Availability of a wide range of I/O types in the device for working with sensors and actuators, namely: DI, FDI, DO, AI, AO
  • The presence of 2 RS-485 ports allows you to connect external modules or output the necessary information to the HMI panel
  • The Ethernet interface allows you to output data from the system directly to akYtec
PR103 Filtration station

Automation of the emergency fire system in the factory

  • The Ethernet protocol allows data to be transferred directly to Cloud and SCADA
  • In case of an emergency, the Ethernet is used to signal SCADA to switch the ventilation into emergency mode
  • The presence of 2 RS-485 ports allows you to connect external modules or output the necessary information on the additional HMI panel
  • Can be installed in outdoor control cabinets (-40°...+55°)
  • Possibility to connect 2 PRM modules to expand the number of I/O points in the system
PR103 Automation of the emergency fire system in the factory

PR103 Characteristics

Retain memory capacity 2040 bytes
Network variable memory capacity (Slave mode) 2040 bytes
Storage capacity of fieldbus variables (Master mode) 128 bytes
Power supply = 24 V
DI 6
FDI 4
AI 6
DO up to 10 (R)
AO up to 2
Interface 1×Ethernet;
2×RS-485
Protocol Modbus TCP for Ethernet;
Modbus RTU / ASCII for RS-485
Mode Master/Slave
Connection of PRM expansion modules up to 2 pcs.
Built-in power supply
Operating temperature from - 40 to + 55 ºС
Screen
Overall dimensions 123x108x58 (with terminal blocks)

Controller with screen — PR200

PR200 is a compact PLC with a 2-line 32-character LCD screen

Possibility to connect a wide range of sensors and mechanisms to the device!

  • Up to 24 I/O channels on board
  • Two-line LCD display in all versions
  • Availability of modifications supporting up to 8DI + 8DO + 4AI + 2AO
  • V, mA analog inputs for all kinds of devices
  • Working out of the box! Simply connect the device via USB and get to work!
  • Availability of 2 RS-485 interfaces in the device
PR200 PR200 Features PR200 Features
*The device price starts at €123.50

PR200 Applications

Control of water filtration systems

  • Possibility to display the current filtration status directly on the cabinet wall on the device display
  • Possibility to connect 2 PRM modules to expand the number of points in the system
  • The availability of universal analog inputs allows you to connect all kinds of sensors
  • The availability of 2 RS-485 ports allows the connection of external modules as well as, for example, the transfer of information about the system to SCADA or the Cloud
  • Possibility to automate up to 4 filter tanks in 1 device
PR200 Control of water filtration systems

Automation of sewage pumping station

  • Ability to change filtering parameters directly during operation from the screen of the device
  • Possibility to connect 2 PRM modules to expand the number of points in the system
  • The availability of 2 RS-485 ports allows the connection of external modules as well as, for example, the transfer of information about the system to SCADA or the Cloud
  • Possibility to connect to akYtec cloud via gateway
  • Universal analog inputs allow connection of a wide range of sensors
PR200 Automation of sewage pumping station

PR200 Characteristics

Retain memory capacity 1016 bytes
Network variable memory capacity (Slave mode) 128 bytes
Storage capacity of fieldbus variables (Master mode) 128 bytes
Power supply = 24 V or ~230 V
DI up to 8
FDI
AI up to 4
DO up to 8 (R/T)
AO up to 2
Interface 2×RS-485
Protocol Modbus RTU/ASCII for RS-485
Mode Master/Slave
Connection of PRM expansion modules up to 2 pcs.
Built-in power supply 24 V (in 230 V AC versions)
Operating temperature from - 20 to + 55 ºС
Screen +
Type Symbolic
Size 16x2
Color Monochrome
Overall dimensions 123x108x58 (with terminal blocks)

Controller with graphic screen — PR205

PR205 is an affordable equivalent for PLCs with a 2.4-inch graphic screen

IPS LCD graphics screen with custom image download and support for 65535 colors

  • Availability of graphic display 2.4 inches, 320x240 px
  • Ethernet interface on the board with Modbus TCP
  • Up to 30 I/O channels on board
  • 4 of 8 digital inputs can be used as pulse counters processing signals from 100-kHz encoders
  • V, mA analog inputs for all kinds of devices, which you can change via ALP with one click
  • Power supply 24 VDC
PR205 PR205 Features PR205 Features
*The device price starts at €280.00

PR205 Applications

Autoclave control on PR205

  • The availability of universal analog inputs allows you to connect all kinds of sensors
  • Ability to work with all types of inputs and outputs in one device
  • Availability of DI, FDI, DO, AI and AO allows working with a wide range of sensors and actuators without connecting additional modules.
  • The Ethernet interface allows you to output data from the system directly to Cloud and SCADA
  • The display makes it easy to monitor not only the values of the parameters themselves, but also the status of the current recipe and the remaining time of the step
PR205 Autoclave control on PR205

Control of microclimate in poultry farms

  • The presence of 2 RS-485 ports allows you to connect external modules or output the necessary information to the panel
  • Possibility to connect 2 PRM modules to expand the number of points in the system
  • All types of inputs and outputs in PR205 allow controlling air supply and exhaust, different types of heaters (boilers, heat guns) without connecting additional modules
  • The graphic display allows you to easily monitor and change the parameters of your system depending on the needs of your poultry farm
PR205 Control of microclimate in poultry farms

PR205 Characteristics

Retain memory capacity 2040 bytes
Network variable memory capacity (Slave mode) 2040 bytes
Storage capacity of fieldbus variables (Master mode) 128 bytes
Power supply = 24 V
DI 8
FDI 4
AI 4
DO 8 (R/T)
AO 2
Interface 1×Ethernet;
2×RS-485
Protocol Modbus RTU/ASCII Modbus ТСP
Mode Master/Slave
Connection of PRM expansion modules up to 2 pcs.
Built-in power supply
Operating temperature from - 20 to + 55 ºС
Screen +
Type Screen diagonal 2.4
Size 320×240
Color Graphic color
Overall dimensions 123x108x58 (with terminal blocks)

Ø22.5mm cutout controller - SMI200

SMI200 — Easy-to-mount programmable compact controller with LCD screen

Serves as a standalone controller as well as a screen for other PRs without a screen

  • Freely programmable device
  • 2-line 32-character LCD display
  • Master / Slave in a Modbus network over RS-485
  • Ability to adjust user program parameters and device parameters using 6 mechanical buttons
  • Removable terminal block for easy installation
  • Easy mounting in a ø 22.5 mm borehole
  • Programming free software akYtec ALP via USB (does not require power for programming)
  • Real-time clock
  • Access to making changes by password
  • Harsh environments: IP65, -20 ... +55 °C
SMI200 SMI200 SMI200 Features SMI200 Features
*The device price starts at €89.99

SMI200 Applications

Cascade control of three pumps

  • Very simple cascade control variant for a group of pumps via RS-485
  • Simple mounting in the 22.5mm hole saves a lot of time for installation. Ideal for simple localized systems
  • Screen and function buttons allow you to monitor and adjust system parameters during operation
SMI200 Cascade control of three pumps

Light automation on PR100 and SMI200

  • Operation of SMI200 as a screen for PR100 device
  • Ability to monitor the lighting status from the SMI200 screen and change parameters via function buttons
  • Ability to change lighting parameters directly during operation from the screen of the device
SMI200 Light automation on PR100 and SMI200

SMI200 Characteristics

Retain memory capacity 1016 bytes
Network variable memory capacity (Slave mode) 512 bytes
Storage capacity of fieldbus variables (Master mode) 128 bytes
Power supply = 24 V
DI
FDI
AI
DO
AO
Interface 1×RS-485
Protocol Modbus RTU/ASCII for RS-485
Mode Master/Slave
Connection of PRM expansion modules
Built-in power supply
Operating temperature from -20 to +55 ºС
Screen +
Type Symbolic
Size 16x2
Color Monochrome
Overall dimensions Easy mounting in a ø 22.5 mm borehole 100×60×60 mm

Modules for our controllers — PRM

PRM — expansion modules for PR102, PR103, PR200, PR205

It is possible to expand the number of inputs and outputs of PR series controllers

  • The width of the case is 5 modules
  • Module inputs are galvanically isolated from the power supply
  • The I/O polling rate is equal to the PR I/O polling rate
  • Two modifications of modules for different power supplies: 230 V and 24 V
  • It is possible to use head PR and modules with different types of power supply
  • Display of additional inputs and outputs as in the controller itself
  • Possibility to set the emergency position of PRM module outputs, which increases system reliability
  • Adding a module to a project via one click in ALP
  • Own independent power supply, which increases system reliability
  • Conveniently connect, remove and replace modules in limited cabinet space
PRM PRM

The PRM expansion modules are connected to the PRs with a special connector via the internal bus, which is included in the package. The following PRs are currently supported for operation with PRMs: PR102, PR103, PR200, PR205.

PRM PRM
Modifications Power supply Digital inputs Analog inputs Digital outputs Analog outputs
PRM.24.1 = 24 V 8 8
PRM.230.1 ~230 V 8 8
PRM.24.2 = 24 V 4 4
PRM.230.2 ~230 V 4 4
PRM.24.3 = 24 V 4 2
PRM.230.3 ~230 V 4 2
*The device price starts at €85.00

General PR comparison table

Model/ Characteristic PR100 PR102 PR103 PR200 PR205
Device PR100 PR102 PR103 PR200 PR205
Retain memory capacity 1024 bytes 1016 bytes 2040 bytes 1016 bytes 1016 bytes
Network variable memory capacity (Slave mode) 128 bytes 128 bytes 2040 bytes 128 bytes 2040 bytes
Storage capacity of fieldbus variables (Master mode) 128 bytes 128 bytes 128 bytes 128 bytes 128 bytes
Power supply = 24 V = 24 V = 24 V = 24 V or ~230 V = 24 V
DI 8 16 6 up to 8 8
FDI 4 2
AI 4 8 6 up to 4 4
DO 8 (R) 14 (R) up to 10 (R) up to 8 (R/T) 8 (R/T)
AO 2 up to 2 up to 2 3
Interface 1×RS-485 2×RS-485 2×RS-485
1×Ethernet
up to 2×RS-485 2×RS-485
1×Ethernet
Protocol Modbus RTU/
ASCII
Modbus RTU/
ASCII
Modbus RTU
ASCII Modbus
ТСP
Modbus RTU/
ASCII
Modbus RTU
ASCII Modbus
ТСP
Mode Master/
Slave
Master/
Slave
Master/
Slave
Master/
Slave
Master/
Slave
Connection of PRM expansion modules up to 2 pcs. up to 2 pcs. up to 2 pcs. up to 2 pcs.
Built-in power supply In devices with 230 V
Operating temperature -40...+55 ºС -40...+55 ºС -40...+55 ºС -20...+55 ºС -20...+55 ºС
Screen + +
Type Symbolic Screen diagonal 2.4
Size 16x2 320×240
Color Monochrome Graphic color
Overall dimensions 5din88× 90×58 mm 7din123× 90×58 mm 7din123× 90×58 mm 7din123× 90×58 mm 7din123× 90×58 mm
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