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 (adjustable frequency drive) 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 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.
default setting ( ) display text
*
246
How to Program
Bit value = 0
Control not ready
Drive not ready
Coasting
No error
No error
Reserved
No error
No warning
Speed ≠ reference
Local operation
Out of frequency limit
No operation
Drive OK
Voltage OK
Torque OK
Timer OK
[ ] value for use in communication via serial communication port
MG.33.B3.22 - 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
Error (no trip)
-
Triplock
Warning
Speed = reference
Bus control
Frequency limit OK
In operation
Stopped, autostart
Voltage exceeded
Torque exceeded
Timer exceeded
..... 10
..... PCD