Bosch Rexroth IndraDyn S - MKE Project Planning Manual

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104/131 Bosch Rexroth AG | Electric Drivesand ControlsRexroth MKE Synchronous Motors | Project Planning ManualInstallationMKE118Cable fittings(5) EExd cable screwing(6) Encoder cable(7) Power cables(8) Lid screw tighten torque 6.3 Nm(10),(11) Shield connection screw tighten torque 1.3 NmX1Plug-in terminalX2Plug-in terminal brake, temperatureX3Encoder connectorX5Shield connectionFig.11-4: Entry of power and conductor cables MKE 096MKE118/EU motors of Rexroth are to be connected with Ex screwings especiallyadapted to the cable's outer diameter.Observe the notes of the manufacturer:All cable entries of LE... type have to be included into the type test accordingto EN 50018, Section 15.1.3 (overpressure test) according to the group classificationof the respective electrical equipments (group classification I, IIA, IIBor IIC), if the operating pressure exceeds 20 bar.The cable entries must be fastened into the electrical equipment in such a waythat they are secured against twisting and loosening.The cable entry include a multiple-part set of sealing rings per nominal diameterof the cables. The fitting sealing ring has to be selected and the union nut hasto be screwed as far as it will go.When investigating the maximum current-carrying capacity of the connectionwires, assume the self-warming and housing-warming on the mounting placeat maximum permitted ambient temperature.
Project Planning Manual | Rexroth MKE Synchronous Motors Electric Drivesand Controls| Bosch Rexroth AG 105/131InstallationThe explosion protection for the cable entries can only be guaranteed,when they are in their original condition. The explosion protectioncan no longer be guaranteed, if:●●●the isolator is damaged, broken or flaking.the winding of the screw-grommet is damaged.the cleavage face of the assembling bolt was changed, processedod damaged.The servicing and repair of MKE motors must only be carried outby certified Rexroth service employees.Grommets must be used at mounting, which are adjusted with the cable outerdiameter in which the threads must be applied.ScrewingAvailable grommets with nominal diameter Tolerance-0.5 mmLE20/9(Encoder)LE26/15(Power 2.5 mm²)LE26/19(Power 6.0 mm²)8,5 9,0 9,513,5 14,0 14,5 15,0 15,5 16,0 16,517,5 18,0 18,5 19,0 19,5Fig.11-5:Grommets for Ex cable fittingsDANGERDanger of explosion, danger to life, heavy injury and material damage⇒ Only cable fittings mounted according to the rules prevent the penetration ofpotentially explosive gases / dusts.⇒ Make sure that only grommets are used, which are adjusted to the cablediameter.The following steps are necessary:1. Determine the outer diameter of the cable on the clamping of the cablefitting.Fig.11-6: Determine the cable's diameter2. Select the necessary grommet and mount it on the cable fitting.3. Tighten the cable fitting as far as it will go.The cable fittings are mounted according to the Ex regulations.Mount and connect ready-made cablesReady-made cables are mounted according to Fig. 11-7.
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Bosch Rexroth IndraDyn S - MKE Project Planning Manual

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