Practical Industrial Data Networks:Design, Installation and ...

166 Practical Industrial Data Networks: Design, Installation and Troubleshootingbetween conductors is 12 pF/Foot and the propagation delay is 1.36 nS /footmaximum• A power pair consisting of one twisted pair (4.8 twists per foot) codedblack/red with a wire size of #22 (19 × 34 AWG) copper and individuallytinnedThis is completed by separate aluminized Mylar shields around each pair and an overallfoil/braided shield with an #22 (19 × 34 AWG) bare drain wire. The power pair has a 3amp power capacity and is PVC insulated.Beldfoil Aluminum/Polyester ShieldVinyl or CPE Jacket.270” O.D.Polypropylene FillersBlue & White Data PairOverall Mylar TapeDatalene Insulation24 AWG.Tinned and StrandedCopper ConductorsThin CableGrey PVCYellow CPE65% CoverageTinned Copper Braid ShieldBelden3084A3085AAB numberYR-29832YR-39660Stranded Drain WireTinned Copper22 AWG.Red & Black DC Power PairPVC/Nylon Insulation22 AWG.Tinned and StrandedCopper ConductorsFigure 12.16DeviceNet thin cable12.6.3 Flat cableDeviceNet flat cable is a highly flexible cable that works with existing devices. It has thefollowing specifications:• 600 V 8 A rating• A physical key• Fitting into 1 inch (25 mm) conduit• The jacket made of TPE/Santoprene+24 VdcCAN_HCAN_H0 VdcDeviceNet Power, 8 Amps Max.Figure 12.17DeviceNet thin cable