Straightpoint SW-SB User Manual Download Page 5

In both cases you need to fit the JP1 power jumper to supply power to the acquisition module.

 

When powered from the external DC source the LED will illuminate.

 

 

If internal batteries are fitted when external power is applied the batteries will be utilized if external power 

is lost.

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Getting Started

 

 

Use the T24 Toolkit to ensure that the repeater radio channel matches the rest of the T24 modules. You will 

then need to decide whether the repeater is battery powered or permanently externally powered and 

whether it should always wake other sleeping modules when it is powered up and awake.

 

 

Considerations

 

 

 

Each repeater can effectively double the amount of traffic transmitted. Be careful not to introduce 

too many repeaters that are within range of each other as there may be un-necessary duplication of 

radio traffic. Carefully plan the layout of radio modules to minimise this.

Using the Data Provider monitor in the T24 Toolkit can show the amount of traffic. The T24 Toolkit on 

a laptop or netbook is ideal for checking installations as it is mobile so traffic can be monitored at 

different points in the installation.

 

A repeater will not repeat a packet that has already been repeated. Hence there is only one 

extra ‘hop’ introduced and a maximum range increase to 2X.

 

When waking remote modules separated by a repeater and that repeater is asleep it may take twice 

as long to wake a module as when no repeater is involved.

 

If the repeater is to be battery powered use the same Sleep Delay as is suitable for the 

acquisition modules in the system.

 

You cannot pair to a module through a repeater. Using the T24 Toolkit it 

may

 be possible to 

configure module through a repeater by connecting 

without

 pairing. The results will vary depending 

on the number of repeaters and amount of radio traffic. In some cases it may be necessary to power 

down repeaters when configuring modules.

 

Most data consumer modules and software issue a broadcast wake when turned on or activated and 

this will also wake a sleeping repeater which will then proceed to wake those modules within its 

range. But some modules only wake specific single target modules such as the T24-HS handheld 

module and the T24-AO1 analog output module. For these modules to wake the repeater they must be 

fitted with at least v2.1 version radio modules. This only affects repeaters with a SleepDelay set.

 
 
 
 
 
 
 
 

 

Straightpoint 

SW-SB U

SER

 

M

ANUAL

 

4

 

Summary of Contents for SW-SB

Page 1: ...SW SB User Manual...

Page 2: ...erations 4 Configuration 5 Installation 5 T24 Toolkit 5 Base Station 5 T24 Toolkit 6 General Pages 6 Setup Base Station Communications 6 Home 7 Analyser 8 Information 9 Channel and Encryption 10 Save...

Page 3: ...itry for an external power supply The batteries can also be used to provide power in case of external supply failure The case is environmentally sealed to IP65 The repeater will allow messages to be r...

Page 4: ...tops receiving Stay Awake messages This will work transparently with most SP wireless instrumentation Please note that a SW C handheld would require radio firmware version 2 01 or above to be able to...

Page 5: ...ints in the installation A repeater will not repeat a packet that has already been repeated Hence there is only one extra hop introduced and a maximum range increase to 2X When waking remote modules s...

Page 6: ...re the devices we must use the T24 Toolkit software application This can be downloaded from our web site or may be shipped with your products Install this on a PC or laptop Run setup exe and follow th...

Page 7: ...user are coloured orange To change a value just click on the relevant orange item You will then be presented with a new dialog window allowing you to change the value This may use a slider text box o...

Page 8: ...ick the Pair button on the toolkit You now have 10 seconds to re apply power to the SW SB module If you connect successfully the toolkit will change to the Information page If the pairing fails try ag...

Page 9: ...radio signal levels detected across all the channels available to the T24 series of devices Using this tool may help in detecting noisy areas and allow you to decide on which channels you may want to...

Page 10: ...ge shows you information about the connected device Items you can change Name You can enter a short descriptive name 11 characters which may help you recognise this device in the future 9 Straightpoin...

Page 11: ...el between 1 and 16 The default is channel 1 You can use the Spectrum Analyser mode to determine a good clean channel to use NOTE Channel 16 is used to negotiate pairing so avoid this channel if possi...

Page 12: ...information including calibration data will be saved to the file The file extension is tcf Restore Click this button to open a file dialog window to allow you to select a filename and location of a pr...

Page 13: ...communications As the level drops towards zero communications may become intermittent but still achievable You can set the level at which the acquisition module reports a low battery If the battery vo...

Page 14: ...ed dB level which will range from about 30 which is a good signal to 90 which is a weak signal CV is the correlation value and indicates how well the signal can be decoded This ranges from 55 which is...

Page 15: ...can employ this delay Once the repeater stops hearing Stay Awake messages from the data consumer PC or handheld etc it will go to sleep after this amount of time The repeater will wake when any other...

Page 16: ...0 85 C Reverse polarity Protection 32 V DC Environmental protection with IP65 suitable cables exiting through cable glands Battery life using Duracell LR20 D 285 Hours cells with the SW SB permanently...

Page 17: ......

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