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How to Control the Frequenc...
5.5.4 Status Word According to DS 402
Profile
Slave-master
STW
Bit
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
no.:
Illustration 5.7 Status Word Profile
Bit
Bit value=0
00
Not ready to switch ON
01
Switched OFF
02
Operation disabled
03
No malfunction
04
Voltage disabled
05
Quick stop
06
Switch on disable
07
No warning
08
Not running
09
Remote disabled
10
Set point not reached
11
Speed limit not active
12
13
14
15
Table 5.13 Definition of Status Bits
Explanation of the status bits
Bit 00, Not ready to switch on/Ready to switch on
Bit 00="0" - state less than "Ready to switch on".
Bit 00="1" - state at least = "Ready to Switch on".
Bit 01, Switch off/Switch on
Bit 00="0" - state less than "Switched on".
Bit 00="1" - state at least = "Switched on".
Bit 02, Operation disable/Operation enable
Bit 00="0" - state less than "Operation enable".
Bit 00="1" - state at least = "Operation enable".
Bit 03, No fault/trip
Bit 03="0" - the frequency converter is not in a fault
condition.
Bit 03="1" - the frequency converter has tripped and needs
a reset signal to run.
Bit 04, Voltage disable/Voltage enable
Bit 04="0" - control word bit 01="1".
Bit 04="1" - control word bit 01="0".
MCA 123 POWERLINK Operating Instructions
Output freq.
Bit value=1
Ready to switch ON
Switched ON
Operation enabled
Malfunction
Voltage enabled
Run
Switch on enable
Warning
Running
Remote enabled
Set point reached
Speed limit active
Reserved
Reserved
Reserved
Reserved
®
MG92C102 - VLT
is a registered Danfoss trademark
Bit 05, Quick stop/Run
Bit 05="0" - control word bit 02="1".
Bit 05="1" - control word bit 02="0".
Bit 06, Start enable/Start disable
Bit 06="0" - state is not "Switch on disable".
Bit 06="1" - state = "Switch on enable".
Bit 07, No warning/Warning
Bit 07="0" - no warning situation.
Bit 07="1" - a warning has occurred.
Bit 08, Danfoss reserved
Bit 09, Remote disable/Remote enable
Bit 09="0" - the frequency converter has been stopped
with the stop key on the LCP, or [Local] has been selected
in 3-13 Reference Site.
Bit 09="1" - it is possible to control the frequency
converter via the serial port.
Bit 10, Set point not reached/Set point reached
Bit 10="0" - the actual motor speed is different from the
speed reference set. This situation can occur while the
speed is ramped up/down during start/stop.
Bit 10="1" - the present motor speed equals the speed
reference set.
Bit 11, Speed limit not active/speed limit active
Bit 11="0" - the output frequency is out of the range set in
parameters 4-11/4-12 Motor Speed low Limit RPM/Hz or
parameters 4-13/4-14 Motor Speed high Limit RPM/Hz.
Bit 11="1" - the output frequency is within the mentioned
range.
Bit 12, DSP 402 reserved
Bit 13, DSP 402 reserved
Bit 14, Running/Not running
Bit 14="0" - the motor is not running.
Bit 14="1" - the frequency converter has a valid start signal
or that the output frequency is greater than 0 Hz.
Bit 15, Danfoss reserved
5
5
23
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