Embedded Data Systems

OW-SERVER-ENET-2 - 1-Wire to Ethernet Server

Art.nr: OW-SERVER-ENET-2
1 155 Kr
Lagerstatus: 2
Leveranstid: 1-3 Vardagar
Ej betygsatt ännu
OW-SERVER-ENET-2 är Embedded data systems senaste nätverksanslutna 1wirebrygga och ersätter den tidigare OW-SERVER-ENET. Nyheter i version 2 är främst:
Varje port är nu en helt egen kanal. Det går att se exakt vad som är anslutet till vilken...
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OW-SERVER-ENET-2 är Embedded data systems senaste nätverksanslutna 1wirebrygga och ersätter den tidigare OW-SERVER-ENET. Nyheter i version 2 är främst:
  • Varje port är nu en helt egen kanal.
  • Det går att se exakt vad som är anslutet till vilken port.
  • Spänningsmatas via micro USB-kontakt.


OW-SERVER-ENET-2 har en inbyggd webbserver där du enkelt kan läsa av aktuella värden. OW-SERVER-ENET-2 har dessutom snmp-stöd. OW-SERVER har inte någon loggningsfunktion, du kan därför inte få fram historiska data.

Glöm inte att köpa till en passande Batterieliminator!

OBS! OW-SERVER-ENET-2 lämnar +5v på pinne 6 i rj12-kontakten mot normala pinne 1. Vill du ansluta ditt befintliga spänningsmatade nät? - Köp till adapterkablage.

Det finns flera stora skillnader och likheter mellan OW-SERVER och HA7NET:
  • OW-SERVER är enklare att läsa av då alla värden från anslutna kompatibla 1wire-enheter finns representerade i en xml-fil.
  • HA7Net stödjer alla förekommande 1wire-enheter.
  • OW-SERVER stödjer ej alla 1wire-enheter.
  • Både OW-SERVER och HA7Net kan användas med Linuxmjukvaran OWFS.
  • OW-SERVER läser av alla anslutna enheter i bakgrunden och det finns därför alltid aktuella värden utan någon fördröjning.
  • Det går att ansluta max 22st enheter till OW-SERVER. HA7NET har inte någon sådan begränsning.


The OW-SERVER is an inexpensive Ethernet to 1-Wire interface that is designed to efficiently monitor and control 1-Wire devices. The OW-SERVER will allow you to use industry standard Ethernet products (switches, hubs, etc.) to build the backbone of your 1-Wire based sensor / control system. This provides several important benefits: First, 1-Wire networks can be easily distributed over great distances without having to deal with the challenges associated with the installation of physically large 1-Wire networks. By distributing the 1-Wire networks, the individual 1-Wire MicroLans can be kept to a smaller physical size, thereby improving responsiveness/reliability and decreasing installation costs. Second, since the OW-SERVER communicates over standard Ethernet, you can take advantage of existing corporate LANs, the Internet, and in-house MIS expertise for building out and maintaining the backbone of your sensor network.


The OW-SERVER has been designed in such a way to minimize the amount of network resources needed to monitor 1-Wire devices. It maintains the latest readings of its 1-Wire devices which are updated every 2 seconds. This enables the OW-SERVER to deliver a current reading without waiting for a time intensive temperature conversion (or other conversion) to be performed. Also, the OW-SERVER is designed to push data when a user defined alarm occurs via SNMP traps. This significantly reduces the necessary polling rate for many applications while still supplying assurance that any problem will be detected in a timely manner.

The OW-SERVER is ideal for many applications which include:
  • Server Room Monitoring
  • SCADA Systems
  • HVAC

A number of Ethernet protocols are used by the OW-Server including HTTP and SNMP. The HTTP interface is a simple webpage which shows the current overview of each connected sensor. By default, this page uses AJAX techniques to automatically update itself, insuring the data being displayed is current. The SNMP interface is divided into 3 sections: edsEnterprise, owTrap and owDevices. The edsEnterprise section presents basic product information, such as name and version. The owTrap section is where you define the IP address the trap should be sent, the high alarm, low alarm, and the hysteresis. The owDevices section data similar to the Overview and Devices webpage.


The OW-SERVER currently supports the following 1-Wire devices:
  • DS18B20 - 12 Bit Temperature Sensor
  • DS18S20 - 9 Bit Temperature Sensor
  • DS2406 - Dual Addressable Switch
  • DS2408 - 8 Channel Addressable Switch
  • DS2423 - 2 Channel Counter
  • DS2438 - Battery Monitor with Temperature and A/D
  • DS2450 - Quad A/D Converter
  • OW-ENV-TH - Temperature / Humidity Sensor with Optional Relay
  • OW-ENV-THPL - Temperature / Humidity / Pressure / Light Sensor with Optional Relay
  • OW-ENV-TL - Temperature / Light Sensor with Optional Relay
  • OW-ENV-TP - Temperature / Pressure Sensor with Optional Relay
  • OW-ENV-TR - Temperature Sensor with Relay
  • OW-RTD4W - 1-Wire Interface for 4-Wire RTD with Optional Relay
  • OW-TEMP-B3-12A - DS18B20 Temperature Probe with Optional RJ12 Plug
  • OW-TEMP-BF-12 - Foil Tape DS18B20 Temperature Sensor with Optional RJ12 Plug
  • OW-TEMP BW-12 - Wall Mount DS18B20 Temperature Sensor with Optional RJ12 Plug
  • OW-TEMP-S3-12 - DS18S20 Temperature Probe with Optional RJ12 Plug
  • OW-TEMP-SF-12 - Foil Tape DS18S20 Temperature with Optional RJ12 Plug
  • OW-TEMP SW-12 - Wall Mount DS18S20 Temperature Sensor with Optional RJ12 Plug
Specifications:
  • Reads all active devices every 2 seconds
  • Firmware can be flash upgraded from remote.
  • Manages concurrent client connections safely and reliably.
  • Debugging functionality helps simplify software integration.
  • 3 convenient 1-Wire ports
  • Automatically provides smart strong-pull-up for 1-Wire sensors.
  • 1-Wire MicroLan capacity of 1000 feet of cable, 24 devices.
  • ESD Protection more than 27kV (IEC801-2 Reference Model.) on the 1-Wire bus.
  • LED indicators for Ethernet link/activity, power, and 1-Wire activity.
  • Easy Installation
  • ABS enclosure.
  • Low Cost.
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