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UniPi Extension xS40

Neuron
Axon

UniPi Extension xS40 is an extension module for UniPi Neuron and UniPi Axon programmable logic controllers. The module allows for a quick extension of automation networks by additional I/Os. The xS40 model is a universal module combining digital inputs and relay outputs.

The extension module does not contain a computing module.

 

Neuron
Power Supply

169,00 € - 197,08 €
139,67 € - 162,88 € excl. TAX
More than 20 items in stock

pcs

Description

The UniPi Extension line of extension modules was designed as a quick and inexpensive way to extend the automation network by additional inputs/outputs without the need to purchase another PLC. Modules are not equipped with a computing module, which is replaced by an additional I/O board. Computing module is represented by a master PLC to which the module is connected via RS485 serial interface.

The xS40 module combines digital inputs and relay outputs. Compared to the xS10 module with the same I/O combination the xS40 offers more relay outputs and less digital inputs. The module is thus suitable for switching two-state devices based on data collected by digital inputs.

Inputs & Outputs

8 digital inputs (DI) are designed for reading logical states (true or false), which are represented by levels of DC voltage. That makes them suitable for reading two-state sensors such as switches (on/off), movement sensors (movement/no movement), water level sensors (water present, no water) etc. The software detects logical 1 (true) if the input voltage between given DIx.y and DIGND is between 5-30V. If the voltage is lower than 3.5V, the state is evaluated as 0 (false)

14 relay outputs are used for control or switching of devices with higher current loads. ROs are thus suitable for controlling light bulbs, thermoelectric valve drives, water heaters, pumps etc. Relay outputs on UniPi controllers are rated for 5A max. current at 230V AC/30V DC voltage.

I/O boards of the module feature their own control processor, which retains the basic I/O functionality in the case of PLC downtime or connection failure.

Communication interface

Extension modules communicate through the RS485 interface (Modbus protocol). Connection manual for extension modules can be found on this link

Additional functionality

Along with standard I/O functionality, the module offers several functions to enhance the module's performance and to allow it to react to critical events.

Digital inputs feature Direct Switch functions allowing for connecting digital inputs with relay outputs. Direct Switch can be configured for one of three modes: Copy (switching output by active input), Invert (output is switched by inactive input) and Toggle (output is switched by each input change). Direct Switch is independent of the control software and is thus suitable for applications demanding a lowest possible response time (such as lighting control).

The default setting is a function allowing each processor to save its default configuration. This configuration is loaded after every device reboot triggered either by a manual restart or by a power outage.

MasterWatchdog feature monitors the communication between CPU and I/O board processors. If no exchange occurs within a pre-set timeframe, the MasterWatchdog automatically resets the device and me/O modules back into default settings.

I/O boards of the module feature their control processor, which retains the basic I/O functionality in the case of PLC downtime or connection failure.

Device addressing and the DIP switch settings

Addressing the extension module can be done either via control software running on the remote master control unit or can be set manually via the integrated DIP switch. The DIP switch allows the user to set up to 4 bits of address and is evaluated in preference to software settings. If the address on DIP switch is set to “0000”, all DIP switch settings are ignored and the software settings take priority.

Package contents

  • Unipi Extension xS40 extension module
  • pluggable screw terminals
  • DIN rail holder
  • power supply (optional)

Unipi Extension model overview

Product DI DO RO AI AO RS485 Common features
Extension modules, size on DIN rail: 4 modules = 7 cm
xS10 16   8     1

Extension modules communicate over Modbus. It is possible to connect them to the control unit via an RS485 interface. Extension modules are compatible with any control unit with the RS485 interface and Modbus support.

xS30 24         1
xS40 8   14     1
xS50 6   5 4 4 1

*Has integrated wireless GPRS module.
**Has integrated TR-76D smart IQRF transceiver

Documentation

Datasheet
Datasheet of the product
download
Manual
User manual and technical documentation
download
Certification
Declaration of conformity
download

Digital inputs 8
RS485 interface Yes
Relay outputs 14
Power 24 V DC
Dimensions 90 mm × 70 mm × 60 mm
Weigth 350 g
Mounting DIN (35 mm)
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