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How to Control the Adjustable Frequency
Drive
Status Word According to FC Profile (STW)
Parameter 8-10 set to [FC profile]
Bit
Bit value=0
00
Control not ready
01
Drive not ready
02
Coasting
03
No error
04
No error
05
Reserved
06
No error
07
No warning
08
Speed # reference
09
Local operation
Out of frequency
10
limit
11
No operation
12
Brake ok
13
Voltage ok
14
Torque ok
15
Timer ok
Explanation of the Status Bits
Bit 00, Control not ready / ready:
Bit 00 set to [0] means that the adjustable frequency
drive has tripped.
Bit 00 set to [1] means that the adjustable frequency
drive controls are ready but that the power compo-
nent is not necessarily receiving any power supply (in
the event of external 24 V supply to controls).
Bit 01, Drive ready:
Bit 01 set to [1] means that the adjustable frequency
drive is ready for operation, but it is receiving an ac-
tive coasting command via the digital inputs or via
serial communication.
Bit 02, Coasting stop:
Bit 02 set to [0] means that the adjustable frequency
drive has released the motor.
Bit 02 set to [1] means that the adjustable frequency
drive can start the motor when a start command is
given.
Bit 03, No error / trip:
Bit 03 set to [0] means that the adjustable frequency
drive is not in fault mode.
Bit 03 set to [1] means that the adjustable frequency
drive is tripped and that a reset signal is required to
re-establish operation.
6-4
Bit value=1
Control ready
Drive ready
Enable
Trip
Error (no trip)
-
Trip lock
Warning
Speed = reference
Bus control
Frequency
limit ok
In operation
Brake warning or
failure
Voltage exceeded
Torque exceeded
Timer exceeded
Bit 04, No error / error (no trip):
Bit 04 set to [0] means that the adjustable frequency
drive is not in fault mode.
Bit 04 set to [1] means that there is an adjustable fre-
quency drive error but no trip.
Bit 05, Not used:
Bit 05 is not used in the status word.
Bit 06, No error / trip lock:
Bit 06 set to [0] means that the adjustable frequency
drive is not in fault mode.
Bit 06 set to [1] means that the adjustable frequency
drive is tripped and locked.
Bit 07, No warning / warning:
Bit 07 set to [0] means that there are no warnings.
Bit 07 set to [1] means that a warning has occurred.
Bit 08, Speed # reference / speed = reference:
Bit 08 set to [0] means that the motor is running but
that the present speed is different from the preset
speed reference. For example, this might occur while
the speed is being ramped up/down during start/stop.
Bit 08 set to [1] means that the present motor speed
matches the preset speed reference.
TR200 LonWorks
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