Fundamentals
15.3 Control- and status-word bits for NCK<->drive communication
CNC Part 1 (NCK, PLC, drive)
Commissioning Manual, 11/2006, 6FC5397-2AP10-2BA0
263
Meaning Bit in
ZSW1
Remarks VDI interface (PLC) Signal processing in the NCK
Control from the PLC 9 Signal is primarily set
by the drive.
No signal The NCK itself then sets the
associated STW1.bit9, if the
drive in the NC is known to be
"operational" and "ready" (e.g.,
bus booted, etc.).
Comparison value reached 10 No signal No evaluation
Reserved 11 No signal No evaluation
Reserved 12 No signal No evaluation
Function generator active 13 DB(AX).DBX61.0 Drive test "travel request"
Only used in "positioning
mode": Open-loop torque-
controlled mode
14 Irrelevant for
SINUMERIK
No signal No evaluation
Only used in "positioning
mode": Spindle positioning ON
15 Irrelevant for
SINUMERIK
No signal No evaluation
PLC interface for ZSW21
Meaning Bit in
ZSW2
1
Remarks VDI interface (PLC) Signal processing in the NCK
0 Bit A DB(AX).DBX93.0
1 Bit B DB(AX).DBX93.1
Parameter set
2 Bit C DB(AX).DBX93.2
active drive parameter set
1. speed-setpoint filter inactive 3 Signal from SINAMICS
not operated
DB(AX).DBX92.3 As signal from SINAMICS not
operated: Signal always "0",
"FALSE"
Ramp-function gen. inactive 4 DB(AX).DBX92.1 Ramp-function-generator
disable active
Holding brake open 5 DB(AX).DBX92.5 Holding brake open
Integrator inhibit, speed
controller
6 DB(AX).DBX93.6 Speed controller integrator
disabled
Status: Parking axis 7 Axis parked via
SINAMICS
No signal NCK cannot respond to the
"axis parked" state => alarm
25000,
An alarm is output if the drive
parks even though parking was
not requested.
Suppress "speed controller at
limit" fault
8 No signal
9 Bit A DB(AX).DBX93.3 Motor data set
10 Bit B DB(AX).DBX93.4
Active motor
Motor being changed over 11 No signal
12
13
Slave sign-of-life
14
No signal Drive sign-of-life
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