Design and manufacturing of electronic devices
 
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RS485 Modules
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RS485 Modules ModBus
  M4E/4SD
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Ethernet Modules
  ETH 8SD
  ETH 8ED
  ETH 8SA
  ETH 8EA
  ETH 4ST
Adapters
  RS232 - RS485/RS422
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  LA RS485 - ETHERNET
Power Supplies
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Ethernet Modules

Modules family that provide access to I/O remotely over Ethernet.

Access can be done two ways, using Ethernet Modbus protocol over port 502 or either using http protocol.

Additional information: 

ETH 8SD 
8 digital relay outputs via Ethernet

This module has 8 digital outputs, implemented as 1-contact relays. The features of this module are:

  • 8 1-contact relay outputs capable of switching up to 5A at 250 VAC. The relays are optocoupled to the electronics and have a varistor that protects their contacts.
  • The relays are arranged similarly to the previous module inputs, namely, two relays have two terminals each and the rest are grouped two by two so that each have one terminal and one in common.

  • The unit has a nonvolatile memory that allows to pre-program the following parameters:

    • Values to be taken by the relays when starting the computer.

    • Values to be taken by the relays when the computer does not detect the presence of the control CPU.
    • The relays can be activated for a time, allowing to give rapid pulses in a controlled manner.

ETH 8ED 
8 digital inputs optocoupled by Ethernet by Ethernet

This module has 8 digital inputs which can be enabled or disabled externally. Each input has associated with it a 32-bit counter and an 8-bit frequency reader.

The module's features are:

  • 8 optocoupled inputs that can be activated with either 24 VDC / VAC or 220 VDC / VAC (properly configuring the card). These inputs are grouped as follows: two inputs have two terminals each, while the rest are grouped in pairs sharing a common line.

  • Ability to configure inputs to act as latches in order not to lose any pulse or edge.

  • Each input can be configured to act as positive or negative logic.

  • Ability to activate an antirebounds filter to correctly read the inputs connected to limit switches, push buttons, relays, ...

  • 32-bit pulse counter associated with each input whose values ​​are maintained during power failure. You can count pulses up to a frequency of 1 kHz. The counter is stored in memory, non-volatile, even during power failure.

ETH 8SA 
8 analog outputs by Ethernet

Module from a compact family, it has 8 8-bit analog outputs of voltage range from 0V to 10V.

The characteristics of these outputs are:

  • 8 analog outputs from 0 to10 V and configurable as 0V to 11V (designed for installations where there is a voltage drop in the cables and want to continue to have a range of 0V to 10V). The resolution of each output is 40mV.

  • These outputs are grouped in the same manner as the three previous modules. Each output has a transistor that is able to supply a current of 100mA and is fully shortcircuitable.

  • The unit includes a nonvolatile memory in which we can pre-program the following parameters:

    • Values to be taken by the analog outputs when starting the module.

    • Values to be taken by the analog outputs when the unit does not detect the presence of the control CPU.
    • The front LEDs can be configured to activate when the output is within or outside a predetermined range.

ETH 8EA 
8 analog inputs by Ethernet

This module includes 8 12-bit analog inputs that can be configured to measure both voltage and current. The defining characteristics are:

  • 8 analog inputs individually configurable as voltage, from 0V to 2.5V or from 0V to 10V or as intensity from 0 to 20 mA. Externally ranges can be extended. The terminal configuration is similar to that of the two previous units.

  • The 12-bit resolution can be expanded by an oversampling internal algorithm with noise removal filter.

  • The front LEDs can be configured to activate when the input is inside or outside a predefined range.

  • In each analog input a window can be defined , which can activate a discreteInput each time the signal is inside or outside it. This allows the use of the analog inputs as digital inputs.

  • The analog inputs also record maximum and minimum achieved values. This is done on a holdingRegister, therefore it is possible to reset the values.​​

ETH 4ST 
4 triac dimmer outputs by Ethernet

This is a module that has 4 independent triac outputs to control small resistive loads up to 4A. It allows to make a regulation by end-of-wave cut, which is ideal for applications requiring the ruling of incandescent lamps.

The triacs in the module are able to rule 16A and inductive loads. The regulation of universal engines is immediate.

In each of the outputs are allowed up to 100 levels of light. This feature makes it ideal for applications in which several light moods are needed.

To facilitate the implementation of the program, the unit is able to generate autonomously luminosity ramps, ie gradually move from light to dark and vice versa.

The device can operate as supplied, but if used in dimming applications of light or of inductive loads, the addition of a filter is needed in order to avoid interferences in the system.

If it's only going to be used to turn on or off lights it is not needed to include any filtering.

NOTE: This unit is not intended as an electronic device, but as a basic component to be integrated in a more complex system.