5.4.2. Status Word according to FC Profile (STW)
(Par. 8-10 = FC profile)
Bit
Bit value = 0
Bit value = 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
Trip lock
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’ means that the frequency converter has tripped.
Bit 00 = ’1’ means that the frequency converter controls are ready, but
that the power component is not necessarily receiving 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 there is
an active coasting command via the digital inputs or via serial communi-
cation.
Bit 02, Coasting stop:
Bit 02 = ’0’. The frequency converter has released the motor.
Bit 02 = ’1’. The frequency converter can start the motor when a start
command is given.
Bit 03, No error/trip:
Bit 03 = ’0’ means that the frequency converter is not in fault mode.
Bit 03 = ’1’ means that the frequency converter is tripped, and that a
reset signal is required to re-establish operation.
Bit 04, No error/error (no trip):
Bit 04 = ’0’ means that the frequency converter is not in fault mode.
Bit 04 = “1” means that there is a frequency converter 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 = ’0’ means that the frequency converter is not in fault mode.
Bit 06 = “1” means that the frequency converter is tripped, and locked.
Bit 07, No warning/warning:
Bit 07 = ’0’ means that there are no warnings.
Bit 07 = ’1’ means that a warning has occurred.
Bit 08, Speed
≠
reference/speed = reference:
Bit 08 = ’0’ means that the motor is running, but that the present speed
is different from the preset speed reference. For example, this might oc-
cur while the speed is being ramped up/down during start/stop.
Bit 08 = ’1’ means that the present motor present speed matches the
preset speed reference.
Bit 09, Local operation/bus control:
Bit 09 = ’0’ means that [STOP/RESET] is activated on the control unit, or
that
Local control
in par. 3-13
Reference site
is selected.
It is not possible to control the frequency converter via serial communi-
cation.
Bit 09 = ’1’ means that it is possible to control the frequency converter
via the fieldbus/ serial communication.
Bit 10, Out of frequency limit:
Bit 10 = ’0’, if the output frequency has reached the value in par. 4-11
Motor Speed Low Limit
or par. 4-13
Motor Speed High Limit
.
Bit 10 = "1" means that the output frequency is within the defined limits.
Bit 11, No operation/in operation:
Bit 11 = ’0’ means that the motor is not running.
Bit 11 = ’1’ means that the frequency converter has a start signal or that
the output frequency is greater than 0 Hz.
Bit 12, Drive OK/stopped, auto start:
Bit 12 = ’0’ means that there is no temporary over temperature on the
inverter.
Bit 12 = ’1’ means that the inverter has stopped because of over tem-
perature, but that the frequency converter has not tripped and will
resume operation once the over temperature stops.
Bit 13, Voltage OK/limit exceeded:
Bit 13 = ’0’ means that there are no voltage warnings.
Bit 13 = ’1’ means that the DC voltage in the frequency converter’s in-
termediate circuit is too low or too high.
Bit 14, Torque OK/limit exceeded:
Bit 14 = ’0’ means that the motor current is lower than the torque limit
selected in par. 4-18
Current Limit
.
Bit 14 = ’1’ means that the torque limit in par. 4-18
Current Limit
has
been exceeded.
5. How to Control the FC 300
FC 300 Interbus Operating Instructions
28
MG.33.H3.02 - VLT is a registered Danfoss trademark
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