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The data-bus network comprises LS0H cable and IP68 connectors and meets the strictest requirements of the RS-485 protocol for EMI protection. This is used to create a robust and reliable single layer, plug-and-play network, providing the vital communications link between the B-ScoutMaster and the B-Scout controllers.
All data-bus cabling is supplied to customer specified lengths and is fully factory prepared and tested to the highest standard. The cables are formed into assemblies including IP68 plugs and sockets which mate directly with the WRTL range of tunnel luminaires.
Used in conjunction with the i-TunneL® lighting control and monitoring system, the RS-485 Bus Cable is specifically designed for the arduous conditions common to the road tunnel environment. The strict specifications on shielding against electromagnetic interference and electrical noise ensure unsurpassed reliability. Coupled with its easy to install plug-and-play connectors, the cable allows the installer to quickly create an uncomplicated single layer communications network without any requirement for specialist engineers.
* - With the use of three repeater units
Standard single layer loop-in-loop-out network topology; Only one communications/hardware protocol throughout the whole installation.
The WRTL RS-485 data bus cable provides high levels of EMI protection, nevertheless separation between power and communications cables is considered good practise and should be achieved wherever possible. It is acceptable to run both the power and bus cables on the same tray work albeit clipped separately. Should the bus cable need to cross the power cable loom this should be done at right angles with spacing between. It is imperative that the bus is not run in close proximity to the radio redistribution cabling and certainly not fixed to the same cable tray.
Polyolefinic based thermoplastic compound containing a fire retardant system that contributes to give the cable self-extinguishing properties without halogenic acids evolution; furthermore, toxic and corrosive gas emissions and smoke generation are particularly reduced. These characteristics make the compound suitable in all applications where the fire behaviour of the cables is of prime importance.
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Conductors
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Flexible tinned copper stranded
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Insulation
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Foam Polyethylene
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Shield
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Aluminium foil 100% + 22AWG TC drain wire + overall TC braid 90%
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Jacket
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Low smoke zero halogen – orange (LS0H)
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Nominal OD
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7.67mm
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Service Temperature
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-5oC to +60oC
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Standards
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IEC60332-1 - Flame resistant for single cables
IEC60332-3 - Flame resistant for bunched cables
IEC61034 - Low smoke generation
IEC60754.1- Negligible halogen gas generation
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Durability
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250 matings & unmatings
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Vibration Resistance
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Per CEI 60512-4
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Thermal Shock
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Per MIL-STD1344 method 1003
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Insulation Resistance
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5000MΩ min
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Test Potential
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2000VAC
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Operating Temperature
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-40oC to +105oC
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Flammability Rating
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UL94V0 and NFF16101 level 2
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Sealing (mated)
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IP68 – per IEC60529
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UV
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Resistant
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Housing material
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Thermoplastic
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Type No.
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Description
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IT-RS485-TSS1CS
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RS-485 Single pair trunk bus cable
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IT-RS485-CA3LD-FITTED
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RS-485 Flying lead terminal socket
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IT-RS485-CA3LS-FITTED
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RS-485 Flying lead terminal plug
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IT-RS485-1CHRE - Single channel RS-485 bus repeater unit
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i-TunneL® deliver complete tunnel lighting and control solutions. When you partner with i-TunneL®, you are choosing the best designed luminaires in the industry.