Product category:
Potable water, test and treatment
News Release from: Pacscom | Subject: Small Works System
Edited by the Processingtalk Editorial
Team on 09 May 2005
Low cost telemetry for small water
treatment works
Operators of small water treatment works, particularly those in more remote and isolated locations, can now cost effectively maintain a constant watch on the state of alarms using radio telemetry
Operators of small water treatment works, particularly those in more remote and isolated locations, can now cost effectively maintain a constant watch on the state of alarms using radio telemetry By combining some of its innovative radio data products into a "Small Works System", Pacscom is now providing a simple, low cost radio-base alarm and data collection solution
This article was originally published on Processingtalk on 24 Mar 2005 at 8.00am (UK)
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Far cheaper to buy and install than many traditional products, Pacscom's battery powered outstations collect data from individual sensors and transmit this to a central hub by VHF 173MHz radio from where a GSM Modbus link conveys it directly to the user's SCADA System.
Pacscom "Small Works Systems" are made up from several of the 300T and 200T transmitter products designed to talk to an intelligent hub device.
The hub receives the data from devices around the works and if appropriate, sends it out over GSM to a central location.
Further reading
Miniature GSM radio alarm puts the user in control
An advanced, high performance GSM alarm module that provides users with security and control functions has been introduced by Pacscom, specialists in wireless solutions
New concepts in telemetry reviewed
Mike Knights of Pacscom looks at the changes which are coming and will inevitably effect and benefit the water industry in terms of telemetry systems
The exciting element of the whole system is an alarm logic and analysis function using an IEC 61131 configuration utility.
This ensures only alarms that are really important are transmitted, whereas rogue alarms due to diurnal cycles, rain or other natural phenomena are filtered out.
With the introduction of this new utility, users are now gaining access to advanced, flexible technology that allows them to actually profile the alarm characteristics of each individual plant at a highly affordable price.
The operational scope of this new system includes measuring digital inputs, contacts, alarms, rotation arms, pulses, temperatures, analogues and water quality monitoring devices.
Where alarm switches are located in hazardous areas, Pacscom has is a device suitable for Zone 1 areas.
Such is the power of the hub, up to 16 separate signals can be accommodated.
Each system can be programmed and remotely configured by the user to meet the requirements of each individual site using a simple drop down list of icons relevant to the various functions and alarms needing to be monitored.
Introducing the "Small Works System", Mike Knights of Pacscom says that it is ideally suited to treatment works in remote locations where the costs of frequent inspection are prohibitive or industrial companies that need to operate treatment plants on their sites.
Whilst many such sites are not particularly troublesome, the increasing controls placed on operators by the EA does mean that many more are starting to fail their consents when left unattended for longer time intervals.
All plant mounted components are contained in IP68 enclosures and come with their own power pack and integral antenna.
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