Page 22 - Fireless
P. 22
ELESS PRODUCT GUIDE
3. Q: A field-device has been added to the transponder successfully but is periodically reporting a C2F
fault condition.
A: Check that the field-device received RSSI signal strength is within the recommended limits (see section
6.3). If the levels are too low, try moving the device until the level is acceptable.
A: Remove and temporarily place the field-device close to the transponder. If the signal strength is still too
low, check its batteries and, if the batteries are found to be ok, try replacing the device.
A: There is interference on the operating channel selected. Go to ‘test channel’ menu (see section 6.11),
select and monitor the background RSSI level of the previously chosen operating channel. If noise levels are
too high, re-configure the whole system, selecting a different ‘clear’ operating channel.
4. Q: When I check the event log, field-devices are periodically and chaotically reporting a C1F condition.
A: If the problem involves all devices, check the operating channel for interference (see section 6.11) and
change if necessary.
12.0 Site Survey Procedure, Tools and Documentation
12.1 Introduction
Reference is made throughout this document to the importance of having a thorough, well planned and
tested survey completed prior to installation. This will not only speed up the time taken to complete
installation and commissioning, but will ensure that a reliable, trouble-free system is in place afterwards.
A Fireless survey is carried out using a standard Transponder together with a purpose designed Test-head.
For consistency, the test-head has an identical performance to that of a standard wireless detector base
and is fitted with an 8- way colour coded rotary LED array to indicate the signal strength received at the
Transponder from its current location. Bi-directional received signal strength levels for the end-device and
transponder are also periodically updated and displayed during testing at the Transponder (LCD front panel)
for documentation purposes.
Procedure
For survey purposes, the transponder must be put into ‘factory default’ mode, and can be powered using a
small, portable 9 -38V dc regulated table top power supply or, alternatively, a battery pack of equivalent
voltage, which should be connected to the AUX POWER SUPPLY terminals. Remember to change the two
top L/H PCB headers to the AUX position beforehand.
When ready, place the Transponder at the desired, final location, ensuring that it is in the correct upright
position and then apply power. After initialisation, go into the ‘Engineers’ menu and then navigate to the
‘Service Menu’. Press OK to gain entry then:
• Change the ‘Factory Reset’ mode to YES
• Change the ‘Loop Type’ to CONV
• Scroll down to the bottom of the screen, select OK and press OK.
• Press OK at the following ‘Set WTR Address’ and ‘Date and Time Setup’ menus. The ‘Channel Selection’
screen will now appear. Proceed to 12.2 below.
12.2 Channel selection (see 6.11 for more details)
The first part of a survey requires a clear operating channel to be identified.
• By default, the channel number monitored will now be Channel 27.
• If channel 27 appears to be noise free, monitor this channel for a minimum of 10 minutes, changing to
another channel only if the lower ‘maximum’ bar exceeds the dotted vertical limit line.
• If the limit line is exceeded, immediately select another channel, repeating this process until a suitable
result is obtained. The ‘maximum’ lower bar will always display the highest noise level detected and, if
time allows, it is good practice to continue monitoring the channel for a longer period in case there are
some infrequent sources of interference present.
• Make a note of the chosen channel and then press OK.
• The display will now be in the ‘Conventional’ main screen mode.
Document No.: PEN-FL2-2 Date: 29/06/2016 Page 22 / 30
3. Q: A field-device has been added to the transponder successfully but is periodically reporting a C2F
fault condition.
A: Check that the field-device received RSSI signal strength is within the recommended limits (see section
6.3). If the levels are too low, try moving the device until the level is acceptable.
A: Remove and temporarily place the field-device close to the transponder. If the signal strength is still too
low, check its batteries and, if the batteries are found to be ok, try replacing the device.
A: There is interference on the operating channel selected. Go to ‘test channel’ menu (see section 6.11),
select and monitor the background RSSI level of the previously chosen operating channel. If noise levels are
too high, re-configure the whole system, selecting a different ‘clear’ operating channel.
4. Q: When I check the event log, field-devices are periodically and chaotically reporting a C1F condition.
A: If the problem involves all devices, check the operating channel for interference (see section 6.11) and
change if necessary.
12.0 Site Survey Procedure, Tools and Documentation
12.1 Introduction
Reference is made throughout this document to the importance of having a thorough, well planned and
tested survey completed prior to installation. This will not only speed up the time taken to complete
installation and commissioning, but will ensure that a reliable, trouble-free system is in place afterwards.
A Fireless survey is carried out using a standard Transponder together with a purpose designed Test-head.
For consistency, the test-head has an identical performance to that of a standard wireless detector base
and is fitted with an 8- way colour coded rotary LED array to indicate the signal strength received at the
Transponder from its current location. Bi-directional received signal strength levels for the end-device and
transponder are also periodically updated and displayed during testing at the Transponder (LCD front panel)
for documentation purposes.
Procedure
For survey purposes, the transponder must be put into ‘factory default’ mode, and can be powered using a
small, portable 9 -38V dc regulated table top power supply or, alternatively, a battery pack of equivalent
voltage, which should be connected to the AUX POWER SUPPLY terminals. Remember to change the two
top L/H PCB headers to the AUX position beforehand.
When ready, place the Transponder at the desired, final location, ensuring that it is in the correct upright
position and then apply power. After initialisation, go into the ‘Engineers’ menu and then navigate to the
‘Service Menu’. Press OK to gain entry then:
• Change the ‘Factory Reset’ mode to YES
• Change the ‘Loop Type’ to CONV
• Scroll down to the bottom of the screen, select OK and press OK.
• Press OK at the following ‘Set WTR Address’ and ‘Date and Time Setup’ menus. The ‘Channel Selection’
screen will now appear. Proceed to 12.2 below.
12.2 Channel selection (see 6.11 for more details)
The first part of a survey requires a clear operating channel to be identified.
• By default, the channel number monitored will now be Channel 27.
• If channel 27 appears to be noise free, monitor this channel for a minimum of 10 minutes, changing to
another channel only if the lower ‘maximum’ bar exceeds the dotted vertical limit line.
• If the limit line is exceeded, immediately select another channel, repeating this process until a suitable
result is obtained. The ‘maximum’ lower bar will always display the highest noise level detected and, if
time allows, it is good practice to continue monitoring the channel for a longer period in case there are
some infrequent sources of interference present.
• Make a note of the chosen channel and then press OK.
• The display will now be in the ‘Conventional’ main screen mode.
Document No.: PEN-FL2-2 Date: 29/06/2016 Page 22 / 30
