Synchronizing controller
MG.10.N4.02 - VLT is a registered Danfoss trademark
7
This gives a ratio of
3040659
4954950
.
This is an absolute value, as it contains no infinite number sequences and no rounded values.
Hardware
VLT control card terminals
The terminals on the control card are allocated for synchronizing controller functions the following
parameter settings should therefore not be changed in synchronizing mode (set-up 1):
Digital inputs 16, 17, 18, 19, 27, 29, 32 and 33
Parameters 300–303 and 305–307 are set to ”No operation” (default setting), then the inputs are
ignored by the control card but they can still be used as inputs to the synchronizing controller.
Analogue inputs 53, 54 and 60
Parameters 308, 311 and 314 are set to ”No operation”, then the inputs are ignored by the control card
but they can still be used as inputs to the synchronizing controller.
Digital/analogue outputs 42 and 45
Parameters 319 and 321 are set to:
OPTION 0 … 20 mA [91] analogue output
(default
setting)
Technical data
Technical data on the control card terminals can be found in the VLT 5000 design guide.
Option card terminals
There are two encoder interfaces, which are covering the following functions:
•
Feedback encoder input
•
Master encoder input / virtual master output
There are 8 digital inputs, 8 digital output and terminals for 5 V and 24 V supply. The functions and
technical data of the terminals are described in the following.
Terminal A1
A1
B1
B1
Z1
Z1
Incremental input
A in
in
A
B
in
in
B
Z
in
in
Z
Absolute input
Clk out
out
Clk
Data
in
in
Data
Not used
Not used
Virtual master
A out
out
A
B
out
out
B
Z
out
out
Z
Fig. 1
Terminal A2
A2
B2
B1
Z2
Z2
Incremental input
A in
in
A
B
in
in
B
Z
in
in
Z
Absolute input
Clk out
out
Clk
Data
in
in
Data
Not used
Not used
Fig. 2