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Kundendienst
SERVICE
MANUAL TNC 151/155
Page
38
Section
3.1.2
3.1.2
Procedure
for
exchanging
the
TNC 151/155
Q/W Control.
1. Gain
access
to the
rear
of the
Control.
2.
Remove
the
ma&
supply.
3. Remove
the
connector
box cover-plate
from
the
rear
of
the
Control.
4. Mark
the
measuring
system
plugs
(X,Y,Z,4
Axes,
S if
present,
3D Touch
Probe)
and remove
them.
5. Disconnect
the
VDU from
the
Control.
6. Disconnect
the
Handwheel
Unit
from
the
Control
(if
present).
7. Disconnect
any external
data
devices.
8. Disconnect
connector
strips
Jl-J3,
using
a screwdriver
to
prise
the
connectors
apart
(Do not
unscrew
individual
wires).
9. Remove
the
connecting
cable
P2 to the
PL 100 B/110
B from
the
Control.
wise
apart
with/
a screwdriver
\
cable
Ii
10.
Remove
the
faulty
Control,
removing
the
fixing
screws
if
not
already
removed
in 1.
11.
Install
the
new Control
- check
the
voltage-selector
posi-
tion.
12.
Check
the
fuse-rating
(see
type-plate).
13.
Reconnect
all
cables
previously
removed.
14.
Obtain
from
the
type-plate
the
Control's
Id.
No.,
NC and
PLC Software
Nos.,
and write
them
in the
machine
handbook.
15.
Refit
the
connector
box
cover-plate.
16.
Turn
on the
mains
voltage.
17.
Reprogram
the
machine
parameters.
18.
TNC is
now ready
to use.
Mains -ion
-
4
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