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3.3
Feed rate release
Input
PLC-Allocation
TNC 151 B/TNC 155 B TNC 151 Q/TNC 155 Q
Multipoint
connector
Multipoint
connector
PLC-Power board
"Feed rate release"
El8
J 516
J 515
By opening the input "feed rate release", the speed can be ramped down to zero at (any time, by means of the
"machine
acceleration"
which is entered as a machine parameter during initial dialogue entry.
If the input "feed rate release" has been opened, this is indicated in the status display by the letter F (inverted).
3.4
M-, S- and 'T-functions,
Strobe signals and feedback signal: "Auxiliary
function
completed"
In/Output
Coded outputs
M, S and T
Bit
1 . . . 20
2 . . . 2'
3 . . . 22
Decade 1
4 . . . 23
5 . . . 20
6 . . . 2'
7 . . . 22
8 . . . 23
Decade 2
Decoded outputs
M 03 Spindle cw
M 04 Spindle ccw
M 05 Spindle stop
M 08 Coolant ON
M 09 Coolant OFF
Gating signals
S-Strobe
M-Strobe
T-Strobe
Input: "Auxiliary
function
completed"
PLC-Allocation
A7
A8
A9
Al0
All
Al2
Al3
Al4
Al5
Al6
Al7
Al8
Al9
A20
A21
A22
El7
TNC 151 B/TNC 155 B
Multipoint
connector
J 212
J 213
J
214
J
215
J
216
J
217
J
218
J
219
J
2llO
J2ll-l
J
2112
J
3/l
J
312
J
313
J
314
J
315
J
5l7
TNC 151 Q/TNC 155 Q
Multipoint
connector
PLC-Power board
-
J
II8
J
II9
J
Ill0
J
Ill1
-
J
2/l
J
212
J
213
J
214
-_
J
2l5
J
216
J
217
J
218
J
219
-
J
2110
J
2/l 1
J3ll
-
J
516
-
M-, S- and T-functions
are provided statically
via the same relay outputs of the control.
To differentiate
whether an M-, S- or T-function
is at the output,
pulsed strobe signals "M-Strobe",
'S-Strobe"
and "T-Strobe"
are used.
Via machine parameter MP 214 it can be determined
as to whether a brief axis standstill occurs with a
change of spindle speed during a constant positioning
procedure.
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