Siemens SINUMERIK 828D Function Manual page 1034

P3: Basic PLC Program for SINUMERIK 840D sl
13.13 Block descriptions
Typ
Signal Type
e
AxisNo I INT
Pos I REAL
FRate I REAL
InPos Q BOOL
Error A BOOL
State Q BYTE
FRate
The feed rate in FC 18 can also be specified as:
• Cutting rate with unit m/min or feet/min
• Constant grinding wheel surface speed in m/s or feet/s
These alternative velocity settings can be used only if this function is activated by the NC program. Checkback
signals for successful activation can be found in byte 84 on the axis interface.
Error identifiers
If a function could not be executed, this is indicated by the "Error" status parameter being set to 'logic 1'. The
error cause is coded at block output "State":
State
Errors caused by PLC handling:
1 B#16#1
20 B#16#14
30 B#16#1e
40 B#16#28
50 B#16#32
60 B#16#3C
Errors that occur due to handling of the NCK.
The alarm numbers are described in the Diagnostics Manual SINUMERIK 840D sl/ 840Di
sl:
100 B#16#64
101 B#16#65
102 B#16#66
104 B#16#68
1034
Range of values
1 - 31
∓ 0,1469368 I -38
to
∓ 0,1701412 I +39
∓ 0,1469368 I -38
to
∓ 0,1701412 I +39
0 to 255
Significance
Several axis/spindle functions have been activated
simultaneously
A function has been started without the position being reached
The axis/spindle has been transferred to the NC while still in
motion
The axis is programmed by the NC program, NCK internal error
permanently assigned PLC axis traverses (JOG) or refers
permanently assigned PLC axis Channel status does not permit a
start
False position programmed for axis/spindle
(corresponds to alarm number 16830)
Programmed speed is too high
False value range constant cutting speed
(corresponds to \MMC-Alarm 14840)
Following spindle: illegal programming
(corresponds to alarm number 22030)
Remark
No. of axis/spindle to be traversed
Rotary axis: Degrees
Indexing axis: Indexing position
Linear axis: mm or inches
Rotary axis and spindle: rev/min
See under table containing info about FRate
1 = Position reached,
or function executed
1 = error
Error code
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
Basic Functions