Siemens SINUMERIK 840C - Manual (Page 759)

09.95 10 Axis and Spindle Installation
10.5.5 PLC intervention in spindle control
10.5.5 PLC intervention in spindle control
The flowchart on the next page shows the effects of the various PLC interface signals on the
spindle. For the sake of clarity, the feedback pulses are not shown.
The "Set direction of rotation clockwise", "Oscillation speed", "Standard speed", "Spindle
positioning", "Resynchronize spindle" and "Acknowledge M19" signals are effective only in
conjunction with the "PLC spindle control" signal.
DRK + 1
0
Servo enable
2 1 Bit
ROD
Timer
1:1
M
DL
K
+ 1/bit 6
8 gears
M3, M4, M5
S value
Delete S value
M19
DL
K + 1
/bit 5 (specify setpoint 0)
DR
K + 2
/bit 5 (basic speed)
Spindle speed
limitation
Setting data (G26 S...)
DR
K
+ 2/bit 6 (oscillation speed)
DR
K + 2
/bit 4 (position spindle)
DW
K + 3
(spindle disable)
n
set
(set spindle speed)
Actuator
Gearing
Spindle
K = Number of the spindle (1 to 6)
S
S
MD 5200 bit 2
MD 5210 bit 7
All signals in DB 31
END OF SECTION
© Siemens AG 1992 All Rights Reserved 6FC5197- AA50 10–69
SINUMERIK 840C (IA)