Signals from spindle
DB3900 ...
3903
Signals from spindle [r]
NCK -> PLC interface
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
2000 Change
gear stage
Setpoint gear stage
C B A
2001 Actual di‐
rection of
rotation,
clockwise
Speed
monitoring
Spindle in
setpoint
range
Overlay
range limit
violated
Setpoint Speed limit
exceeded
Increased Limited
2002 Active spindle mode Rigid tap‐
ping
GWPS ac‐
tive
Const. Cut‐
ting
velocity
active
Control
mode
Oscillation
mode
Positioning
mode
2003 Spindle in
position
reached
Tool with
dynamic
limiting
Signals from drive
DB3900 ...
3903
Signals from axis/spindle [r]
NCK -> PLC interface
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
4000 Holding
brake
opened
RLI active
4001 Pulse ena‐
bled
Speed con‐
troller inte‐
grator disa‐
bled
Drive ready
4002 nact = n
set
n
act
< n
x
n
act
< n
min
M
d
< M
dx
Ramp-up
completed
4003 Generator
operation,
minimum
speed fal‐
led below
VDClink <
alarm
threshold
Signals from technology functions
DB3900 ...
3903
Signals from axis/spindle [r]
NCK -> PLC interface
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
5000
5001
PLC user interface
6.9 Axis/spindle signals
Parameter Manual
480 Parameter Manual, 08/2015, 6FC5397-8EP40-0BA1