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Lists 11/2003 Edition

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<strong>11</strong>.03 3 Variables3.<strong>11</strong> Diagnostic datadpSlotCfgAssignMasterNumber of master to which this slot is assignedSince only one bus is currently supported byProfibus DP and only one Class 1 Master existsper bus, there is only one master to which all slotsare assigned.- 0 0 1 UDoublewordMulti-line: nodpSlotCfgNumSlotsdpSlotCfgAssignSlaveThis data contains the bus address of the slavebelonging to the nth slot.All legal slave addresses can be specified- 0 0 125 UDoublewordMulti-line: nodpSlotCfgNumSlotsdpSlotCfgIoTypeI/O identifier0 = input slot1 = output slot2 = diagnosis slot- 0 0 2 UWordMulti-line: nodpSlotCfgNumSlotsdpSlotCfgLengthLength in number of bytes- 0 0 32 UDoublewordMulti-line: nodpSlotCfgNumSlotsdpSlotCfgLogBaseAddressThe logical basic address of the slot is assignedduring configuration. Although it is not needed on thebus for data transfer purposes, this address is the onlymeans by which a unique link can be created between theNCK and bus nodes.- 0 0 UINT16_MAX UWordMulti-line: nodpSlotCfgNumSlotsdpSlotCfgNumSlotsThe total number of all slots configured in the system isstored in this data.0 (lower limit) up to INT32_MAX(upper limit);Note that a slave cannot support more than256 slots.- 0 0 INT32_MAX UDoublewordMulti-line: no 1dpSlotCfgSlaveAddressThis data contains the bus address of the slave to which this slot is assigned.Several slots may have the same slave address.The number of available addresses on the bus is determinedby the Profibus standard (DIN19245 EN50170).- 0 0 125 UWordMulti-line: nodpSlotCfgNumSlots© Siemens AG, <strong>2003</strong>. All rights reservedSINUMERIK 840D/840Di/810D SIMODRIVE 6<strong>11</strong> digital <strong>Lists</strong> (LIS) – <strong>11</strong>.03 <strong>Edition</strong> 3-601

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