7.11.2 Status Word According to Adjustable Frequency Profile (STW) (par. 8-10
Control Pro-
file
= Adjustable Frequency profile)
Bit Bit = 0 Bit = 1
00 Control not ready Control ready
01 Drive not ready Drive ready
02 Coasting Enable
03 No error Trip
04 No error Error (no trip)
05 Reserved -
06 No error Triplock
07 No warning Warning
08 Speed ≠ reference Speed = reference
09 Local operation Bus control
10 Out of frequency limit Frequency limit OK
11 No operation In operation
12 Drive OK Stopped, auto start
13 Voltage OK Voltage exceeded
14 Torque OK Torque exceeded
15 Timer OK Timer exceeded
Explanation of the Status Bits
Bit 00, Control not ready/ready:
Bit 00 = ’0’: The adjustable frequency drive trips. Bit 00 = ’1’: The adjustable frequency drive controls are ready but the power component does not
necessarily receive any power supply (in case of external 24 V supply to controls).
Bit 01, Drive ready:
Bit 01 = ’1’: The adjustable frequency drive is ready for operation but the coasting command is active via the digital inputs or via serial communication.
Bit 02, Coasting stop:
Bit 02 = ’0’: The adjustable frequency drive releases the motor. Bit 02 = ’1’: The adjustable frequency drive starts the motor with a start command.
Bit 03, No error/trip:
Bit 03 = ’0’ : The adjustable frequency drive is not in fault mode. Bit 03 = ’1’: The adjustable frequency drive trips. To re-establish operation, enter
[Reset].
Bit 04, No error/error (no trip):
Bit 04 = ’0’: The adjustable frequency drive is not in fault mode. Bit 04 = “1”: The adjustable frequency drive shows an error but does not trip.
7 RS-485 Installation and Set-up VLT
®
AQUA Drive Design Guide
7-28
MG.20.N5.22 - VLT
®
is a registered Danfoss trademark
7
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