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EUR 140.98 EUR 118.47
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plus EUR 5.95 shipping costsplus EUR 5.00 shipping costs

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5 in stock
updated: 27.11.2019

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dS2824 - 24 x 16A ethernet relay without snubbers

Devantech

Overview

Customise your own module using Devantech's powerful dScript language!
Using Devantech's editor you can now add your own features and controls to your modules:

Create a custom webpage - Add your own logo, buttons and functionality
Add a tcp server - Respond to incoming tcp requests with your own functions
Include a tcp client - Send packets of tcp data to other devices using your own protocol


Technical data

Hardware
Serial ports 2 (1 x TTL serial and 1 x RS485)
Relays 24 with up to 16Amp @24vdc or 250vac, screw Terminals for N/O N/C and Common contacts
Digital I/O / Analogue inputs 8 flexible channels with your choice of 12 bit analogue input or digital i/o
Communication USB for development, RJ45 ethernet for normal access
Power 12V DC jack 2.1mm (adaptor sold separately)


Snubber options

Optional integrated snubbers can be added to the board between the common and normally open poles. When inductive loads are to be used the snubbers suppress the switching spikes and relay arc associated with such loads.

Why might I need RC snubbers across my relay outputs?

Inductive loads generate voltage spikes when switched, the collapsing magnetic field creates high energy voltage spikes that can get coupled into the low voltage areas on circuitry causing erratic behavior or even crashing the CPU. Adding an RC snubber absorbs the energy created when switching the device off. The snubber also has a secondary benefit of prolonging relay life for inductive loads as it arrests the arc that is generated when switching off.

Examples of inductive loads that need an RC snubber

  • Motors
  • Solenoids
  • Relays (where the coil is driven as a load from the first relay)

Why don’t all relays outputs simply have snubbers fitted?

RC snubbers are not ideal for every application as they will leak a small amount of AC current and as an example this wouldn’t be desired for audio signals. Small AC current flows into the load may mean there is power transmission even when the relay is in the power off state. Snubbers should only really be used where the load is inductive.

Wiring best practices

When considering the cabling it is always good practice to keep the high voltage cabling away from the low voltage and signal cables and also to wire load cables away from the board. Load wiring that passes over the module has the potential to disrupt the low voltage areas and really isn’t good practice.

Snubber circuit

DEV-DS2824-12 and DEV-DS2824-24 snubber circuit


Requirements

dScript editor requires one of:

  • Windows 7 or later
  • Linux
  • macOS

YouTube Videos


dScript First Look


dScript quickstart - Running examples


Firmware versions

Devantech regularly updates the firmware for their dScript modules. Possibly modules are not equipped with the most recent version. The modules can be updated easily.


Download

Version 3.01 - 22/03/18
Important changes from V2.20 - Please read!

To provide a consistent interface between all dS series modules, the digitalport addresses of LEDs and I/O have changed.
dS1242 I/O addresses have changed from 9-12 to 41-44
dS3484 I/O addresses have changed from 9-16 to 41-48
Other modules use flexport’s which have not changed.

The digitalports of onboard LEDs on all modules have changed as follows:

Led v2.20 v3.01
Blue 32 33
Green 33 34
Red 34 35

dScript documentation, editor and examples (pdf, Version 3.01)
dScript user manual only (pdf, Version 3.01)

dS2824 manual (pdf, Version 3.01)

Variations available

Snubber
01224
without snubbers12 snubbers24 snubbers

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Product information for: dScript2824 - 24 x 16A ethernet relay without snubbers

Publishing date (date of last technical specification): 2016-09-23
Length: 249 mm
Width: 123 mm
Height: 20 mm
Weight: 550 g
Shipping weight: 800 g
Manufacturer: Devantech
Brand: ROBOT ELECTRONICS
Article number: DEV-DS2824
Manufacturer's part number: DS2824

The article dScript2824 - 24 x 16A ethernet relay without snubbers is listed in the following categories:

Modules > Relay > Ethernet > Programmable

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Order online now

EUR 140.98 EUR 118.47
Price incl. VAT Price excl. VAT
plus EUR 5.95 shipping costsplus EUR 5.00 shipping costs

Immediate delivery

Available for immediate delivery while stock lasts.

5 in stock
updated: 27.11.2019

Information on currency

EUR 140.98 = GBP 120.84 EUR 118.47 = GBP 101.55 (€1=GBP0.85715)
EUR 140.98 = USD 155.36 EUR 118.47 = USD 130.55 (€1=USD1.1020)
EUR 140.98 = CAD 206.72 EUR 118.47 = CAD 173.71 (€1=CAD1.4663)
EUR 140.98 = AUD 229.11 EUR 118.47 = AUD 192.53 (€1=AUD1.6251)

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About ROBOT ELECTRONICS

ROBOT ELECTRONICS is a brand by English manufacturer Devantech Ltd., based in Norfolk. Product range comprises sensors, in particular ultrasonic or compass, servocontrollers as well as small robot drive systems or relay modules with various interfaces. Sensors are produced in England and are of consistently high quality.

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