FC 300 Design GuideHow to Program" Status Word According to PROFIdriveProfile (STW)The Status word is used to notify a master (e.g.a PC) about the status of a slave.Slave => master1 2 3 ..... 10STW MAV PCD ..... PCDPCD read/writeExplanation of the Status BitsBit Bit value = 0 Bit value = 100 Control not ready Control ready01 Drive not ready Drive ready02 Coasting Enable03 No error Trip04 OFF 2 ON 205 OFF 3 ON 306 Start possible Start not possible07 No warning Warning08 Speed ≠ reference Speed = reference09 Local operation Bus control10 Out of frequency limit Frequency limit11 No operation In operation12 Drive OK Stopped, autostart13 Voltage OK Voltage exceeded14 Torque OK Torque exceeded15 Timer OK Timer exceededBit 00, Control not ready/readyBit 00 = "0": Bit 00, 01, or 02 of the Control word is "0" (OFF 1, OFF 2 or OFF 3) - or the adjustablefrequency drive switches off (trips). Bit 00 = "1": The adjustable frequency drive control is ready but there isnot necessarily a power supply (in the event of external 24 V supply of the control system).Bit 01, VLT not ready/readySame significance as bit 00 but with power unit supply. The adjustable frequency driveis ready when it receives the necessary start signals.Bit 02, Coasting/EnableBit 02 = "0": Bit 00, 01, or 02 of the Control word is "0" (OFF 1, OFF 2, or OFF 3 or coasting)- or the adjustable frequency drive switches off (trips). Bit 02 = "1": Bit 00, 01, or 02 of theControl word is "1" - the adjustable frequency drive does not trip.Bit 03, No error/TripBit 03 = "0": No error in the adjustable frequency drive. Bit 03 = "1": The adjustablefrequency drive trips and requires. Press [Reset] to restart.* default setting ( ) display text [ ] value for use in communication via serial communication port285MG.33.B6.22 - VLT is a registered Danfoss trademark
