Status Word According To Fc Profile (Stw) - Danfoss VLT AutomationDrive FC 300 Design Manual

FC 300 Design Guide

Status Word According to FC Profile (STW)

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The status word informs the master (e.g. a PC) of
the slave (frequency converter) operation mode.
Explanation of the Status Bits
Bit
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
Bit 00, Control not ready/ready:
Bit 00 = '0': The frequency converter trips. Bit 00 = '1': The frequency converter 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 frequency converter 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 frequency converter releases the motor. Bit 02 = '1': The frequency
converter starts the motor with a start command.
Bit 03, No error/trip:
Bit 03 = '0' : The frequency converter is not in fault mode. Bit 03 = '1': The frequency
converter trips. To re-establish operation, enter [Reset].
Bit 04, No error/error (no trip):
Bit 04 = '0': The frequency converter is not in fault mode. Bit 04 = "1": The frequency
converter shows am error but does not trip.
Bit 05, Not used:
Bit 05 is not used in the status word.
default setting ( )
*
246
How to Programme
Bit value = 0
Control not ready
Drive not ready
Coasting
No error
Reserved
Reserved
No error
No warning
Speed ≠ reference
Local operation
Out of frequency limit
No operation
Drive OK
Voltage OK
Torque OK
Timer OK
display text [ ] value for use in communication via serial communication port
MG.33.B4.02 - VLT is a registered Danfoss trademark
Slave => master
1 2 3
STW MAV PCD
PCD read/write
Bit value = 1
Control ready
Drive ready
Enable
Trip
Triplock
Warning
Speed = reference
Bus control
Frequency limit OK
In operation
True if brake Warning/Failure
Voltage exceeded
Torque exceeded
Timer exceeded
..... 10
..... PCD
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