Frequency Inverter DF51... - Moeller.com.tr

04/07 AWB8230-1541GB The network protocolLoopback [08 hex ]This function tests the transfer between master and slave(response loop).Example:Sending any test data (request) to the frequency inverter withslave address 1 and return of this data (response) for the loopbacktest.Request:No. Name ExamplehexIf the data written to the selected coil contains errors, an exceptionmessage is issued (a page 156).Response:No. Name Examplehex1 Slave address (broadcast disabled) 01 1 Slave address 0A2 Function code 08 2 Function code 053 Test control bit (High byte) 00 3 Test control bit (High byte) 004 Test control bit (Low byte) 00 4 Test control bit (Low byte) 005 Data (High byte) Any 5 Data (High byte) Any6 Data (Low byte) Any 6 Data (Low byte) Any7 CRC-16 (High byte) CRC 7 CRC-16 (High byte) CRC8 CRC-16 (Low byte) CRC 8 CRC-16 (Low byte) CRCThe test control bit (00 hex , 00 hex ) can be used only for echoing. Itis not available for other <strong>com</strong>mands.153