RTcom Radio Modemsの取扱説明書

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Summary
  • RTcom Radio Modems - page 1

    User Manual RTcom-Universal, Global Max and Outback Radio Modems Copyright Radio-Tech Limited 1998-2000 ...

  • RTcom Radio Modems - page 2

    2 CONTENTS INTRODCUTION 3 Selecting the frequency of operation 5 R.F Path Surveys 5 INSTALLATION Power Supplies 6 Location 6 Antenna Feeders 7 Lightning Surge Protection 8 Antenna Installation 9 Antenna Options 10 GENERAL ARANGEMENT RTcom-Global and Universal 11 RTcom-Outback 12 RTcom-Max 12 CONNECTIONS Data and Power 13 CONFIGURATION Operating Mod ...

  • RTcom Radio Modems - page 3

    3 INTRODUCTION The RTcom-range of radio modem is intended as a direct replacement for cables over short, medium and long distance, serial data links. They are suitable for part of point-to-point, master to slave or scanning telemetry links, where the modem is either used on its own our in conjunction with existing cables. The modems also operate tr ...

  • RTcom Radio Modems - page 4

    4 In many countries it is quite legal to operate systems without need for operating licences. These countries include the United Kingdom, Australia, New Zealand, Korea, South Africa, Scandinavia and the majority of Europe. However, operation in these countries is normally subject to the equipment first being approved to a defined standard, such as ...

  • RTcom Radio Modems - page 5

    5 Frequency of operation Often there is not a choice over operating frequency. In most countries frequency allocations are very limited, by way of example in Europe there is only 433-435MHz UHF or 868-870MHz SHF. While the UK and many others offer VHF, UHF and SHF allocations. However other frequencies may be used subject to local government licenc ...

  • RTcom Radio Modems - page 6

    6 If there is doubt over the signal reaching the receiver a path survey should be conducted. The outback modem includes a test mode that places the modems transmitter into constant transmit mode. This permits the measurement of signal strength at the receiver. Normally our modems will work satisfactorily with a signal level below 1uV (-107dBm). INS ...

  • RTcom Radio Modems - page 7

    7 For battery powered operation in cold and damp climates the only reliable way to achieve long term operation is to use double IP65/7 enclosures, with both the outer and inner enclosure fitted with silica gel desiccant sachets. Please be aware that solar heating and wind chill can take the modem beyond its designed operating temperature range. Fur ...

  • RTcom Radio Modems - page 8

    8 Lightning Surge Protection: A direct lightning strike can never be totally protected against or predicted. Currents exceeding 10,000A can flow vaporising antenna, feeders, towers and other such structures. Lightning conductors will give a degree of protection to the building but not always to the electronic apparatus within. Generally the probabi ...

  • RTcom Radio Modems - page 9

    9 Antenna Installation The type and location of the antenna used can have a profound effect on your overall system performance and its legality. In point to point links it is good practice to make efficient use of the radio spectrum by selecting an antenna that will project the R.F energy into the direction of desired operation and similarly at the ...

  • RTcom Radio Modems - page 10

    10 Warning : The use of gain antenna in some countries is not permitted. Similarly where ERP (transmitted power limits) are imposed the actual transmitted power must not exceed the limit stated. This means that the transmitter output power, less any coaxial feeder losses, plus the antenna gain must not exceed the specified maximum ERP. Before insta ...

  • RTcom Radio Modems - page 11

    11 Guide to your RTcom-Global & Max Modem Status LED's 12-24V dc supply RS422 & RS485 Interface RS232 interface Links to select 2-4 wire RS485 Mode Switch for Data Rate and data format Channel selection switch (Global Only, See Table) Mode Switch for RS232 / RS485 Modes Carrier Detect LED (Global only) Reset Button ...

  • RTcom Radio Modems - page 12

    12 Guide to your RTcom-Outback Guide to your RTcom-Max (Please take care when opening cover) Optional Location for Battery Solar/12-24V dc supply RS422 & RS485 Interface RS232 interface Links to select 2-4 wire RS485 Configuration Mode Switch Radio Module mounted in cover Connections as per Global Modem ...

  • RTcom Radio Modems - page 13

    13 CONNECTIONS Data connections should always be made using screened cable. This will insure maximum rejection of interference from outside sources. Always use a common ground point. The RTcom Global, Eurpoa, MAX and Outback modems support RS232, RS422 and RS485 communications, both 2 and 4-wire. The RS232 port should be used for short cable runs o ...

  • RTcom Radio Modems - page 14

    14 Pin Number Designation WRT Modem Notes 1 DCD Optional not normally needed 2 RX (data) RS232 input data to modem 3 TX(data) RS232 output data from modem 4 RTS Optional not normally needed 5 GND Ground 6 B RX(-) RS485/RS422 7 A RX(+) " 8 +Vs Supply 7.5 to 15V dc 9 N/C 10 GND Ground 11 Z = TX(-) RS485/RS422 12 Y = TX(+) " 13 +Vs Optional ...

  • RTcom Radio Modems - page 15

    15 On the Global and Max modems two dip switches are provided for the selection of the desired operating mode and two plug links are provided from the selection of 2 or 4 wire RS485 operation. A further DIP switch is provided on the Global modem for frequency Channel selection. Switch Number Function 1 Baud Rate (See Table) 2 Baud Rate (See Table) ...

  • RTcom Radio Modems - page 16

    16 OPERATION The RTcom protocol permits 100% transparent operation and direct cable emulation. Simply what goes in comes out! R.F. packet framing, code balancing, encryption and preambles etc are taken care of automatically within the modem. Standard industrial communications protocols such as Modbus include a secure CRC 16 or 32 error check code o ...

  • RTcom Radio Modems - page 17

    17 COMMISSIONING The data rate, parity and number of data bits are set using the dual in line switch located above. If a scanner is available the chosen channels and the adjacent channels should be scanned for activity. With frequency agile products such as the Max and Global a fee channel should be selected as far away as possible from the channel ...

  • RTcom Radio Modems - page 18

    18 system. This results in the messages becoming fragmented, thus confusing the modem into thinking the end of file has been detected. The other common problem, in particular with WindowsTM Hyper Terminal, is the way in which is deals with errors. Should an error occur it attempts to re-establish the link from both ends simultaneously, something of ...

メーカー RTcom カテゴリー Network Card

RTcom Radio Modemsのメーカーから受け取ることができるドキュメントは、いくつかのグループに分けられます。その一部は次の通りです:
- #BRANDの図面#
- Radio Modemsの取扱説明書
- RTcomの製品カード
- パンフレット
- またはRTcom Radio Modemsの消費電力シール
それらは全部重要ですが、デバイス使用の観点から最も重要な情報は、RTcom Radio Modemsの取扱説明書に含まれています。

取扱説明書と呼ばれる文書のグループは、RTcom Radio Modemsの取り付け説明書、サービスマニュアル、簡易説明書、またはRTcom Radio Modemsのユーザーマニュアル等、より具体的なカテゴリーに分類されます。ご必要に応じてドキュメントを検索しましょう。私たちのウェブサイトでは、RTcom Radio Modemsの製品を使用するにあたって最も人気のある説明書を閲覧できます。

関連する取扱説明書

RTcom Radio Modemsデバイスの取扱説明書はどのようなものですか?
取扱説明書は、ユーザーマニュアル又は単に「マニュアル」とも呼ばれ、ユーザーがRTcom Radio Modemsを使用するのを助ける技術的文書のことです。説明書は通常、全てのRTcom Radio Modemsユーザーが容易に理解できる文章にて書かれており、その作成者はその分野の専門家です。

RTcomの取扱説明書には、基本的な要素が記載されているはずです。その一部は、カバー/タイトルページ、著作権ページ等、比較的重要度の低いものです。ですが、その他の部分には、ユーザーにとって重要な情報が記載されているはずです。

1. RTcom Radio Modemsの説明書の概要と使用方法。説明書にはまず、その閲覧方法に関する手引きが書かれているはずです。そこにははRTcom Radio Modemsの目次に関する情報やよくある質問、最も一般的な問題に関する情報を見つけられるはずです。つまり、それらはユーザーが取扱説明書に最も期待する情報なのです。
2. 目次。RTcom Radio Modemsに関してこのドキュメントで見つけることができる全てのヒントの目次
3. RTcom Radio Modemsデバイスの基本機能を使うにあたってのヒント。 RTcom Radio Modemsのユーザーが使い始めるのを助けてくれるはずです。
4. トラブルシューティング。RTcom Radio Modemsに関する最も重要な問題を診断し、解決するために役立つ体系化された手続き
5. FAQ。よくある質問
6. 連絡先。一人では問題を解決できない場合に、その国におけるRTcom Radio Modemsのメーカー/サービスへの連絡先に関する情報。

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