Digital Re-print - May | June 2011
Choosing the right hazard monitoring system
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ATEX, CSA extensive range of CSA / ATEX / IECEx
and IECEx approved sensors that work with these con-
certification trol units, including bearing temperature sen-
The Watchdog sors, speed sensors, misalignment switches,
Elite System level indicators and choke switches. The
A well proven range is constantly evolving to offer custom-
multi-functional ers the best technical standard.
hazard monitor 4B’s technical team can recommend the
for bucket eleva- ideal combination of sensors and
tors and conveyors, monitoring systems to suit their
the Watchdog Elite customers’ requirements and budg-
has recently been et. They can also offer a scalable
relaunched with con- solution starting with carefully cho-
tinuous bearing tem- sen equipment and systems that
perature monitoring. can be expanded at a later date to
The Watchdog encompass other machines in the plant.
Elite allows com- 4B also offers a commissioning service
plete monitoring of as well as competent after-sales technical
multiple hazards in service to help customers overcome any
a bucket elevator or technical problems with their monitoring
Choosing the right
conveyor, including equipment.
belt and pulley align-
ment (top and bot-
tom), bearing tem- More inforMation:
perature, belt speed
and blocked chute Braime Elevator Components Ltd
conditions. Hunslet Road
Compliance: Leeds, LS10 1JZ
The Watchdog Elite system uses a range
Does the system have the necessary haz- of compatible sensors to monitor differ- United Kingdom
by Simone Biock Email: firstname.lastname@example.org
ardous area approvals for the region where ent hazards, such as the belt misalignment
Braime Elevator Components Ltd Website: www.go4b.com
it is to be used: ATEX for Europe, CSA for sensors “Touchswitch”, BAP2” and WDA3”,
North America & Canada and IECEx for the the WDB
rest of the world? bearing tem-
he n 4 B int roduced t he ir Scalability: potential hazards dis- At 4B, 25 years of experience have perature sen-
Wat c hdog E lite bucke t Make sure that the system is able to grow played and identified? Is shown that there is no “one size fits all” sors and the
elevator monitoring system in with your operations. You might just want to there a well-documented hazard monitoring system. The company’s “Binswitch”
the early 1980’s, they were the first on monitor one elevator, for a start, but what instruction manual available? approach to product development is very capacitive
the market to offer a system that could happens if you want to monitor an additional Does the supplier offer a com- much bottom-up through discussions with sensor.
monitor a complete bucket elevator elevator, or if you want to add more sensors missioning service? And what level of support the end-user upwards, rather than sales- An LCD
or conveyor system. No more need to to the monitoring system? can you expect, if there is a problem? driven. And it is this industry driven screen dis-
monitor different hazards separately. approach to product development that has plays elevator
Taking the hassle out of hazard monitoring, Sensor options and Table 1: led the engineering team to develop two status mes-
the Watchdog Elite has quickly established interfaces: T500 Elite Watchdog Elite distinctive multi-function hazard monitor- sages (avail-
itself as the industry reference in hazard What hazards is the sys- ing systems, each of them well researched able in four
monitoring. tem able to monitor? Belt and tested and using the same high quality different lan-
and pulley misalign- Bearing temperature
(continuous) (continuous) components, but different in the variety guages) and
ment? Underspeed & max. 256 sensors* max. 6 sensors of sensor options and the scope of the a super-bright
Overspeed? Belt slip- (continuous) (continuous) applications they can cover. LED screen
“what should customers look page? Blocked chute
max. 256 sensors* max. 1 sensors displays belt
out for when selecting a condition? Bearing max. 4 sensors The T500 Elite Hotbus System speed. RS485
temperature? – And Belt alignment max. 256 sensors* This is 4B’s top of the range system, able communica-
system to monitor their bucket what is the choice of
to monitor entire plants where the bucket tion is also
compatible sensors? elevators and conveyors being monitored available for
elevators and conveyors?” Do you have to use Communication RS485 RS485 are spread out across large distances. A connection to
the supplier’s range of interfaces API API multi-function hazard monitor, it can moni- plant comput-
sensors, and are they Test function tor belt speed/alignment, bearing tempera- ers / PLCs.
Today, there are a number of systems on up for the job? Does it have Alarm & ture, pulley alignment and plug condition. It Calibration
the market, and customers may find it more a communication interface, has been designed as a serial communica- and parame-
difficult to establish which system is best for to be connected to a PLC tion system, to monitor up to 256 sensors, ter adjustment
Logging & trending software are all menu-
them. When you add up all the additional costs or PC? with a scan time of only 4 seconds! With
of adding sensors and servicing the system, Multiple elevators automatic machine shutdown capability driven and
then this decision becomes even more compli- User friendliness Applications
& conveyors; Several elevators and PLC / PC compatibility, this advanced kept simple.
cated. And when you consider the cost of the and support: remote monitoring & conveyors microprocessor based system offers low The sys-
potential downtime and even damage, then it How easy is the system cost installation, versatility and easy system tem is ATEX,
is absolutely crucial to get this decision right! to use for the people who ATEX ATEX expansion. Logging and trending software CSA and
So what should customers look out for have to operate it? Is there Certifications CSA CSA is also available for historic data analysis IECEx certi-
when selecting a system to monitor their an in-built test and diagnos- IECEx IECEx and preventative and predictive machine fied.
bucket elevators and conveyors? tic function? And how are * total number of sensors, all sensors combined maintenance. 4B has an
8 | may - June 2011 Grain &feed millinG technoloGy Grain &feed millinG technoloGy may - June 2011 | 9
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