Accessories
Marathon MM Rev. D7 Jul 2017 63
9.10 Low Temp Cable
The 12-wire low temp cable (XXX2CLTCB…) is used for wiring the sensor with the 24 VDC power
supply, all outputs, and the RS485 interface. The cable is PUR (Polyurethane) coated and withstands
ambient temperatures form -40 to 105°C (-40°F to 221°F). PUR coated cables are flexible and have good
to excellent resistance to against oil, bases, and acids.
Temperature: -40 to 105°C (-40°F to 221°F)
Cable material PUR- 11Y (Polyurethane), Halogen free, Silicone free
Cable diameter: 7.2 mm (0.283 in) nominal
Conductors:
Power supply 2 wires (black/red)
Conductor: 0.2 mm² (AWG 24), 7x32 tinned copper
Isolation: PE- 2YI1
Shield: none
RS485 interface 2 twisted pairs (black/white and purple/gray)
Conductor: 0,2 mm² (AWG 24), 7x32 tinned copper
Isolation: PE- 2YI1
Shield: CDV-15, 85% covered
Outputs and Ground 6 wires (green/brown/blue/orange/yellow/clear)
Conductor: 0,2 mm² (AWG 24), 7x32 tinned copper
Isolation: PE- 2YI1
Shield: none
Further information for wiring the cable can be found in section 6.2 Electrical Installation, page 28.
The low temp cable can be purchased from the manufacturer in the following lengths:
4 m, 8 m, 15 m, 30 m, 60 m (13 ft., 26 ft., 49 ft., 98 ft., 197 ft.)
If you cut the cable to shorten it, notice that both sets of twisted-pair wires have drain wires inside their
insulation. These drain wires (and the white wire that is not part of the twisted pair) must be connected
to the terminal labeled CLEAR.
If you purchase your own RS485 cable, use wire with the same specifications as those listed above.
Maximum RS485 cable length is 1.200 meters (4000 ft).
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