text: <s>[INST] Fails to control PF4M by RS485 Summary: RS485 Control PF4MController: CompactLogix L30ER Drive: PowerFlex 4M HMS Anybus communicator 7007 ( EtherNet/IP and Modbus TCP)S Step: Configure Anybus 7007 : 1:Read two register 8448 ( Logistic status ) and 8449 (Fault Code) 2:Write commands words 8192 (2000) /11000100110000 0011 0000 0001 0010 3:Write 8193 (2001) to set the run Frequency Step:Confirgure PF4M P106:5 P108:5 C302,303,304,305,306 As the result: PF4M doesn't run, and the 8448 is : 0000 1101 0000 0110 [/INST] nan \\n </s>