Danfoss MCA 122 Modbus TCP, Руководство по эксплуатации

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Bit 04=‘1’ means that there is a frequency converter error
but no trip.
Bit 05, Reserved
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 occur while the speed is being
ramped up/down during start/stop.
Bit 08=‘1’ means that the present motor 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
3-13 Reference Site is
selected. It is not possible to control the frequency
converter via serial communication.
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
4-11 Motor Speed Low Limit [RPM] or 4-13 Motor Speed High
Limit [RPM] .
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 temperature, but that the unit has not tripped and
resumes operation once the over temperature stops.
Bit 13, Voltage OK/Voltage exceeded
Bit 13=‘0’ means that there are no voltage warnings.
Bit 13=‘1’ means that the DC voltage in the frequency
converter’s intermediate circuit is too low or too high.
Bit 14, Torque OK/Torque limit exceeded
Bit 14=‘0’ means that the motor current is lower than the
torque limit selected in
4-16 Torque Limit Motor Mode and
4-17 Torque Limit Generator Mode Torque limit.
Bit 14=‘1’ means that the torque limit in 4-16 Torque Limit
Motor Mode and 4-17 Torque Limit Generator Mode Torque
limit has been exceeded. The nominal torque can be read
in
16-16 Torque [Nm] .
Bit 15, Thermal OK/limit exceeded
Bit 15=‘0’ means that the timers for both motor thermal
protection and frequency converter thermal protection,
have not exceeded 100%.
Bit 15=‘1’ means that one of the limits has exceeded 100%.
4.5 Reference Handling
4.5.1 Bus Speed Reference Value
0%=0 hex
100%=4000 hex
-100%=C000 hex
Depending of the setting of 3-00 Reference Range , the
reference is scaled from – Max. to + Max. or from Min. to
Max.
Reverse Forward
Par.3-00 set to
(1) -max- +max
Max reference Max reference
Par.3-00 set to
(0) min-max
Max reference
Forward
Min reference
100%
(4000hex)
-100%
(C000hex)
0%
(0hex)
Par.3-03 0 Par.3-03
Par.3-03
(4000hex) (0hex)
0% 100%
Par.3-02
130BA277.10
Illustration 4.4 Scaling of Reference Values
The actual reference [Ref. %] in the frequency converter
depends on the settings in the following parameters:
1-23 Motor Frequency
1-25 Motor Nominal Speed
3-02 Minimum Reference
3-03 Maximum Reference
All references provided to the frequency converter are
added to the total reference value. If a reference is to be
controlled by the fieldbus only, ensure that all other
reference inputs are zero.
This means that digital and analogue input terminals
should not be used for reference signals. The default
setting (0%) should be maintained for preset references in
3-10 Preset Reference .
How to Control MCA 122 Modbus TCP
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