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C 2.2.15)
Markers
for external
buttons
and switches
Marker
No.
Function
irror
message
Signal direction
2448
2449
2450
2451
2456
2457
2458
2459
2460
2461
2462
2463
NC-Start
NC-Rapid
PLC -NC
Latching
function
for Manual traverse
Feed release
A
E3
C
Manual traverse
X+
Manual traverse
X-
Manual traverse
Y+
Manual traverse
Y-
Manual traverse
Z+
Manual traverse
Z-
Manual traverse
IV+
Manual traverse
IV-
2464
2465
2466
Complemented
NC-Start
Complemented
NC-Rapid
Override
Complement
latching
Function
for manua
traverse
2467
Complemented
feed release
2472
Complemented
manual traverse
X+
2473
Complemented
manual traverse
X-
2474
Complemented
manual traverse
Y+
2475
Complemented
manual traverse
Y-
2476
Complemented
manual traverse
Z+
2477
Complemented
manual traverse
Z-
2478
Complemented
manual traverse
IV+
2479
Complemented
manual traverse
IV-
2488
NC-Stop
("0"
corresponds
to Stop)
2556
Reference
end position
for the X-axis
2557
Reference
end position
for the Y-axis
2558
Reference
end position
for the X-axis
2559
Reference
end position
for the IV-axis
Important
functions
are cortrolled
via marker
and complementary
markers.
The signals from
external
buttons
and switches
must set the corresponding
markers
in the PLC-programme
and
generate the complemented
markers
with
the inverted
information
in the same PLC-cycle.
Should
both
markers
not be correctly
set or reset, then the flashing
message
ERROR
IN PC-PROGRAM
A/B/C
. . .
is displayed.
The displayed
letter A, B, C etc,
Example:
indicates
at which
marker
the i'aul
lies (see list above).
The NC-start
button
is provided
with
two normally
open contacts.
The markers
are then set as follows:
U
El8
(first
contact
of the NC-start-button)
=
M2448
UN
El9
(second contact
of the NC-start-button)
=
M2464
40
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