11
MG.10.J4.02 – VLT is a registered Danfoss trade mark
VLT
®
5000 SyncPos option
Digital inputs
MK3A is a 10pole terminal block with 8 digital
inputs (I1–I8) and 2 terminals for 24 V supply (See
Supply voltages on page 12).
The digital inputs are used by the SyncPos appli-
cation program and are therefore free progra-
mable. All the inputs can also be assigned func-
tions by the following parameters:
I_BREAK I_BREAK
I_BREAK I_BREAK
I_BREAK (105) interrupt a running
program
I_CONTINUE I_CONTINUE
I_CONTINUE I_CONTINUE
I_CONTINUE (106) restart interrupted
program
I_ERRCLR I_ERRCLR
I_ERRCLR I_ERRCLR
I_ERRCLR (107) reset fault
I_NEGLIMITSWI_NEGLIMITSW
I_NEGLIMITSWI_NEGLIMITSW
I_NEGLIMITSW (47) negative limit switch
I_POSLIMITSW I_POSLIMITSW
I_POSLIMITSW I_POSLIMITSW
I_POSLIMITSW (46) positive limit switch
I_PRGCHOICE I_PRGCHOICE
I_PRGCHOICE I_PRGCHOICE
I_PRGCHOICE (104) selection of SyncPos
program
I_PRGSTI_PRGST
I_PRGSTI_PRGST
I_PRGST
ARAR
ARAR
AR
T T
T T
T (103) start of SyncPos program
I_REFSWITCH I_REFSWITCH
I_REFSWITCH I_REFSWITCH
I_REFSWITCH (45) home switch
Only two of the inputs are assigned a specific
function by parameter:
••
••
•
I5I5
I5I5
I5 is used as marker input for the Master
when “External marker signal” is selected in
parameter
SYNCMTYPM SYNCMTYPM
SYNCMTYPM SYNCMTYPM
SYNCMTYPM (60).
••
••
•
I6I6
I6I6
I6 is used as marker input for the Slave when
“External marker signal” is selected in param-
eter
SYNCMTYPS SYNCMTYPS
SYNCMTYPS SYNCMTYPS
SYNCMTYPS (61).
Digital outputs
MK3C is a 10pole terminal block with 8 digital out-
puts and 2 terminals for 24 V supply (See Supply
voltages on page 12).
The digital outputs are controlled by the SyncPos
application program and are thus free
programable.
All the outputs can also be assigned functions by
the following parameters:
O_AXMOVEO_AXMOVE
O_AXMOVEO_AXMOVE
O_AXMOVE (64) axe is moving
O_BRAKE O_BRAKE
O_BRAKE O_BRAKE
O_BRAKE (48) activation of mechanical
brake
O_ERRORO_ERROR
O_ERRORO_ERROR
O_ERROR (108) fault indication
Encoder interface 1
MK3B is a 8pole terminal block with 6 terminals
for the encoder signals and 2 terminals with 5 V
supply.
(See Supply voltages on page 12).
Encoder interface 1 can be used for one of the
following 2 functions:
••
••
• Master encoder input (incremental or abso-
lute) for synchronizing.
••
••
• Virtual master encoder output (incremental).
The table below shows the function of each termi-
nal in the 3 possible modes. (See fig. 1)
NB!
When using the virtual master function termi-
nation must be switched off (sw 1.2-1.4) in all
options except on the first and the last station
connected in the network. See also connection
example on page 16 and 17.
Encoder interface 2
MK3D is a 8pole terminal block with 6 terminals
for the encoder signals and 2 terminals with 5 V
supply
(See Supply voltages on page 12).
Encoder interface 2 can be used for one of the
following 2 functions:
••
••
• Slave encoder input (incremental or absolute)
for synchronizing.
••
••
• Feedback encoder input (incremental or ab-
solute) for positioning.
The table below shows the function of each
terminal in the 2 possible modes. (See fig. 2, next
page)
Terminal A1 A1 B1 B1 Z1 Z1
Incremental input A in A in B in B in Z in Z in
Absolute input Clk out Clk out Data in Data in Not used Not used
Virtual master A out A out B out B out Z out Z out
Fig. 1
Input/Output terminals
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