5 PLC Interface 09.95
5.3.4 Spindle-specific signals (DB31)
5.3.4.3 Signals to spindle
7 6 5 4 3 2 1 0
Bit No.
Byte No.
DL
K+1
Switch
over gain
factor
Controller
enable
Default 0 as
set speed
Spindle com-
pensation
effective
D C B A
DR
K+1
Reset
spindle
Invert
M03/M04
Initiate C
axis
operation C B A
DL
K+2
4)
Feed-
forward
control OFF*
E D C B A
DR
K+2
Set direction
of rotation
clockwise
Recipro-
cation
speed
Basic
speed
Position
spindle
Resynchro-
nize spindle
Acknow-
ledge M19
PLC
spindle
control
DL
K+3
n+7 n+6 n+5 n+4 n+3 n+2 n+1 n+0
DR
K+3
n+15 n+14 n+13 n+12 n+11 n+10 n+9 n+8
Signals to spindle
15 14 13 12 11 10 9 8
S p i n d l e d i s a b l e
S p i n d l e d i s a b l e
Spindle compensation
Actual gear stage
Channel number
3)
5.3.4.4 Spindle-specific GI signals to spindle
5)
7 6 5 4 3 2 1 0
Bit No.
Byte No.
DL
K+26
Activate
ESR
monitoring
Pos.-related
switching
ON
6)
On-the-fly
synchr. ON
LINK_ON
DR
K+26
Disable
ESR
monitoring
LINK_OFF
DL
K+27
DR
K+27
Correct. of
synchronism
difference
Accel. limit.
SYNCHRON.
ESR reaction
enabled
6)
Com-
pensatory
controller ON
FS overlay
enabled
Disable
LINK_OFF
Disable
LINK_ON
Signals to spindle
15 14 13 12 11 10 9 8
Spindle Address K
Message text
address n
PLC MD for
processing
3)
1
2
3
4
5
6
0
4
8
12
16
20
8000
8020
8040
8060
8080
8100
6012.0
.1
.2
.3
.4
.5
_______
3) NC MD 540*.2 must be set for this function.
4) SW 2 and higher
5) SW 3 and higher
6) SW 4 and higher
* Signal is 0 active
5–38 © Siemens AG 1992 All Rights Reserved 6FC5197- AA60
SINUMERIK 840C (IA)