Danfoss VLT DeviceNet MCA 104 Programming Manual

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Danfoss VLT DeviceNet MCA 104 Programming Manual Manual pdf 13 page image

CTW REFCTW REF PCD 2writePCD 3writeSTW MAVSTW MAV PCD 2readPCD 3readInstance100101150151Originator (PLC) --> Target (Drive)Fixed contents User defined contentsInstanceSTW MAV70STW MAV71CTW REF20CTW REF21Byte # Byte #Word # Word #Target (Drive) --> Originator (PLC)1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 81 2 3 4 1 2 3 4130BE709.10Illustration 4.3 Process Data4.4 ODVA Control Profile4.4.1 Control Word under Instances 20/70and 21/71Set parameter 8-10 Control Word Profile to ODVA and selectthe instance in parameter 10-10 Process Data Type Selection.Illustration 4.4 The Control Word in Instances 20 and 21NOTICEThe bits 00 and 02 in instance 20 are identical with bits00 and 02 in the more extensive instance 21.Bit Instance 20 Instance 21Bit = 0 Bit = 1 Bit = 0 Bit = 100 Stop Run Fwd Stop Run Fwd01 – – Stop Run Rev02 No function Fault reset No function Fault reset03 – – – –04 – – – –05 – – – Net Ctrl06 – – – Net Ref07–15 – – – –Table 4.2 Bits in Instances 20 and 21Explanation of the bits:Bit 0, Run FwdBit 0 = 0: The frequency converter has a stop command.Bit 0 = 1: Leads to a start command, and the frequencyconverter runs the motor clockwise.Bit 1, Run RevBit 1 = 0: Leads to a stop of the motor.Bit 1 = 1: Leads to a start reverse of the motor, and thefrequency converter runs the motor counterclockwise.Bit 2, Fault ResetBit 2 = 0: There is no reset of a trip.Bit 2 = 1: A trip is reset.Bit 3, No functionBit 3: No function.Bit 4, No functionBit 4: No function.Bit 5, Net ControlBit 5 = 0: The frequency converter is controlled via thestandard inputs.Bit 5 = 1: The DeviceNet controls the frequency converter.NOTICEChanges affect parameter 8-50 Coasting Select toparameter 8-56 Preset Reference Select.Bit 6, Net ReferenceBit 6 = 0: Reference is from the standard inputs.Bit 6 = 1: Reference is from DeviceNet.Control Programming GuideMG92F102 Danfoss A/S © 12/2015 All rights reserved. 114 4