Product category:
PCs, PLCs, HMIs, control systems, products
News Release from: LC Automation | Subject: Westermo GSM and radio modems
Edited by the Manufacturingtalk Editorial
Team on 30 September 2005
Remote PLC connection provides
competitive edge
The ability to create a remote connection to equipment can provide great savings for many businesses, but where the equipment is maintained it can also vastly improve customer service.
The ability to create a remote connection to equipment can provide great savings in terms of both time and money for many businesses, but where the equipment is maintained for a third party it can also vastly improve customer service According to LC Automation, if companies are looking to offer a real difference to their customers, such as real time controlling and monitoring, or the ability to update software and even fault find, irrespective of where the equipment is located, remote monitoring can give them a competitive edge
This article was originally published on Manufacturingtalk on 6 Jul 2004 at 8.00am (UK)
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The Westermo range includes everything from dial up and leased line products, to GSM and radio modems with a high quality unit to suit every different type of application, said the company.
The company added that when looking at specifying industrial equipment for your remote monitoring application, it is important for companies to know which products work best together and are most straightforward to install.
With 29 years' experience in industrial automation and control, LC Automation believes it can advise on the best products for your application and help correct installation.
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Westermo modems can be used with any PLC and LC Automation is the UK's largest supplier of Mitsubishi Electric PLCs, supplying its knowledge about linking Mitsubishi A-Series, FX and Q-Series PLCs to Westermo modems for remote monitoring or alarm reporting.
The company has a range of application notes available to download from its website, giving all the information needed to select and install a Westermo modem with a PLC.
One of the most popular downloads is an application example showing all the connection information for a Mitsubishi Q-Series PLC and a Westermo GD-10 GSM modem.
It is claimed to be cost effective here fixed lined telephone cables are not readily available, but still gives the option of full GX IEC Developer functions to upload, download, monitor or edit the PLC settings as required.
The application notes give all the best methods of connecting a GD-10 modem, using GX IEC Developer, E-Series HMI and RS232 card.
With the ability to call pre-set numbers or send and receive SMS-messages the GSM-modem is said to be ideal for alarm monitoring and remote diagnostics for unmanned stations.
The Westermo GSM-modem can communicate with other GSM-modems, traditional analogue modem and ISDN-adapters.
Wireless data communication over a GSM network can be used instead of normal wirebound communication in several industrial applications.
There are many benefits of wireless applications, such as the reduced cost of installation, but GSM networks also offer other important benefits.
The data transfer service is just one of many that could be used in a lot of different applications.
The Westermo GD-01 modem has been designed for use in industrial applications and has several features that are normally not present on standard GSM modems, providing a reliable data communication link.
The GD-01 is a DIN-rail mounted modem with RS-232 interface in either a 9-pin D-sub or in a 5-pin screw connector.
Features include: dual band GSM 900/1800Mhz, serial interface RS-232, D-sub or screw connection, 160 characters SMS, DTR-dialling, 12V-36V DC Power supply, Din-Rail mountable, LED indicators and communication using GSM modems.
The GD-01 modem provides RS-232/V.24 up to 9 600 bit/s connections over GSM networks.
It can be used instead of serial cable to link PLCs, data loggers, security and surveillance system or for data acquisition.
It is possible to have an external signal (DTR) to trigger the modem to call a pre-set number.
This makes it ideal for alarm monitoring and remote diagnostics from unmanned stations.
It is also possible to send and receive SMS-messages up to 160 characters as well as fax functions.
It can communicate with other GSM-modems but also traditional analogue modem such as TD-32 or ISDN-adapters like ID-90.
All configuration is made by AT-commands similar to standard analogue PSTN modems.
The GS-01 uses the standardised GSM network on 900/1 800 MHz.
This makes it possible for world wide use (not U.S.A.).
The housing is profiled aluminium and has been designed to be easy to use and simple to install. Request a free brochure from LC Automation ...
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