ABB ACH550-UH User Manual

Also see for ACH550-UH HVAC: User manual Installation, operation & maintenance manual User manual User manual User manual

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ABB ACH550-UH User Manual Manual pdf 164 page image

164 ACH550-UH User’s ManualEmbedded FieldbusFeedback from the Drive – EFBPre-defined FeedbackInputs to the controller (drive outputs) have pre-defined meanings established by theprotocol. This feedback does not require drive configuration. The following table listsa sample of feedback data. For a complete listing, see input word/point/objectlistings in the technical data for the appropriate protocol starting on page 169.Note! With Modbus, any parameter can be accessed using the format: 4 followed bythe parameter number.Mailbox Read/WriteThe ACH550 provides a “Mailbox” function to access parameters that have not beenpre-defined by the protocol. Using mailbox, any drive parameter can be identifiedand read. Mailbox can also be used to adjust parameter settings by writing a value toany parameter identified. The following table describes the use of this function.Drive Parameter Protocol ReferenceModbus N2 FLN BACnet0102 SPEED 40102 AI3 5 AV00103 FREQ OUTPUT 40103 AI1 2 AV10104 CURRENT 40104 AI4 6 AV40105 TORQUE 40105 AI5 7 AV50106 POWER 40106 AI6 8 AV60107 DC BUS VOLT 40107 AI11 13 AV20109 OUTPUT VOLTAGE 40109 AI12 14 AV30115 KWH COUNTER 40115 AI8 10 AV80118 DI1-3 STATUS – bit 1 (DI3) 40118 BI12 72 BI6, BI7, BI80122 RO1-3 STATUS 40122 BI4, BI5, BI6 76, 77, 78 BI0, BI1, BI20301 FB STATUS WORD – bit 0 (STOP) 40301 bit 0 BI1 23 BV00301 FB STATUS WORD – bit 2 (REV) 40301 bit 2 BI2 21 BV1Name Description Protocol ReferenceModbus1 N2 FLN BACnetMailboxParameterEnter the number of the drive parameterto access.Does notapply.AO19 95 AV25MailboxDataContains the parameter value after aread, or enter the desired parametervalue for a write.AO20 96 AV26MailboxReadA binary value triggers a read – the valueof the “Mailbox Parameter” appears in“Mailbox data”.BO19 97 BV15MailboxWriteA binary value triggers a write – the drivevalue for the “Mailbox Parameter”changes to the value in “Mailbox data”.BO20 98 BV16