Siemens SINUMERIK 840D sl Equipment Manual

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Table 9-46 Electrical specification of the digital outputsDigital outputs min. Standard max. nominalHigh-level voltage (UH) VCC - 3 V 1) VCC 24 VOutput current IOUT - - 250 mA 2) -Voltage with low level (UL) - - - Output openLeakage current at low level - 50 μA 400 μA -Signal delay time TPHL - 0.5 ms - -Maximum switching frequencyResistive load - - 100 Hz -Inductive load - - 2 Hz -Lamp - - 11 Hz -• 1) UH_typical = VCC - IOUT × RONVCC: Current operating voltageIOUT: Output currentMaximum short-circuit current: 4 A (max. 100 μs, VCC = 24 V)RON: Maximum internal resistance = 0.4 Ω• 2) Where demand factor is 100% (all outputs active)• Incorrect connection causes neither high level nor destruction of the outputs.9.3.4.5 Analog X3 inputs/outputsCable specification• Connectors: 12-pin socket/plug combination• Cable: shielded– max. cable length: 30 m– max. connectable core cross-section: 0.5 mm2Wiring analog inputs/outputsNOTICEShield supportIf the analog inputs/outputs are wired, a shielded lead must be used. The shield must besupported.Procedure:1. Strip cable for analog signals.2. Secure the stripped connection piece of the cable with the shield connection clamp.Connectable components9.3 PP 72/48D 2/2A PNNCU 7x0.3B PNEquipment Manual, 10/2020, 6FC5397-1EP40-6BA1 133