Danfoss VLT AutomationDrive FC 302, Programming Manual, Page: 160 / 346

8-14 Configurable Control Word CTW
This is an array parameter with 16 elements, 1 element for each
bit in range 0–15. Each of the bits can be configured to any of
the following options.
Option: Function:
[18] Virtual Master Starts the virtual master configured in
parameter 3-27 Virtual Master Max Ref .
[19] Enable Master
Offset Activates the master offset selected in
parameter 3-26 Master Offset when
parameter 17-93 Master Offset Selection
has a selection from [1] Absolute to [5]
Relative Touch Sensor .
[20] Control Word
Toggle
Command
[21] Target Inverse Changes the sign of the set target
position. For example, if the set target is
1000, the activation of this option
changes the value to -1000.
[22] Digital Out 27
[23] Digital Out 29
[24] Digital Out
X30/6
[25] Digital Out
X30/7
[26] Home Sensor Home sensor connected via fieldbus
master.
NOTICE
Accuracy of home position
depends on delay in transferring
the signals.
[27] Touch Sensor Touch sensor connected via fieldbus
master.
NOTICE
Accuracy of touch probe
positioning depends on delay in
transferring the signals.
[78] Reset Preventive
Maintenance
Word
[231] Power Limit
Mot.
See parameter group 4-8* Power Limit .
Use this option in the motor mode only.
[232] Power Limit
Gen.
See parameter group 4-8* Power Limit .
Use this option in the generating mode
only.
[233] Power Limit
Both
See parameter group 4-8* Power Limit .
Use this option in both the motor and
the generating modes.
8-14 Configurable Control Word CTW
Option: Function:
Selection of control word bit 10 if it is
active low or active high
NOTICE
Options in this block are only
available for software version 8.XX.
[0] None The frequency converter ignores the
information in this bit.
[1]
*
Profile default The functionality of the bit depends on
the selection in
parameter 8-10 Control
Word Profile .
[2] CTW Valid,
active low If set to 1, the frequency converter
ignores the remaining bits of the control
word.
[3] Safe Option
Reset This function is only available in bits 12–
15 of the control word if a safety option
is mounted in the frequency converter.
The reset is executed on a 0
⇒
1 transition
and resets the safety option as set in
parameter 42-24 Restart Behaviour .
[4] PID error
inverse Inverts the resulting error from the
process PID controller. Available only if
parameter 1-00 Configuration Mode is set
to [6] Surface Winder , [7] Extended PID
Speed OL , or [8] Extended PID Speed CL .
[5] PID reset I part Resets the I-part of the process PID
controller. Equivalent to
parameter 7-40 Process PID I-part Reset .
Available only if parameter 1-00 Configu-
ration Mode is set to [6] Surface Winder ,
[7] Extended PID Speed OL , or [8] Extended
PID Speed CL .
[6] PID enable Enables the extended process PID
controller. Equivalent to
parameter 7-50 Process PID Extended PID .
Available only if parameter 1-00 Configu-
ration Mode is set to [6] Surface Winder ,
[7] Extended PID Speed OL , or [8] Extended
PID Speed CL .
[7] External
Interlock
[10] Bit 10 = 0 >
CTW Timeout
[20] Control Word
Toggle
Command Changes the sign of the set target
position. For example, if the set target is
1000, the activation of this option
changes the value to -1000.
[78] Reset
Preventive
Maintenance
Word
Parameter Descriptions
VLT
®
AutomationDrive FC 301/302
158 Danfoss A/S © 10/2018 All rights reserved. MG33MP02
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