46
Instruction and maintenance manual
ENGLISH
6
OPTIONALS
6.1 Starting the ST100 controller
ST100 models can be tted with an optional external
start button, connected with means of a male/female
connector.
When the magnetic chuck is controlled by the ST100
controller, it is magnetized, which means that the
controller enabling contact is closed
The technical specications for the contact are:
•
30V voltage, 1A current
•
110V voltage, 0.3A current
It is generally advisable to use an auxiliary relay.
Before using other models of start systems, contact
TECNOMAGNETE S.p.A. for assistance.
6.2 Push-button panels of models ST100
and ST200
ST100 controllers can be tted with an optional two-
level push-button panel for milling and grinding
chucks.
Model ST200 can instead be tted with an optional
2-level push-button panel for milling and grinding
operations and with a 7-level push-button panel.
It is also possible to remotely connect all models of
push-button panels (basic, 2-level, 7-level).
6.3 QE version
On models QE it is possible to use an optional exter-
nal teleruptor with a power rating compliant to the
one printed on the nameplate of the connected mag-
netic chuck. Said teleruptor must be installed in ac-
cordance with the instructions provided on the elec-
tric wiring diagram supplied with the equipment.
This device ensures a more efcient control of the
electric commands through the machine.
7
PLC
Model ST100 is not tted with a PLC interface that
can be used for control purposes.
Model ST200 has a PLC interface that is constituted
by an external housing that has to be connected to
the controller by means of the DB9 connector. The
interface is constituted by a DB37 pin connector de-
signed to be interfaced with the control system and
used to receive the magnetization/demagnetization
enabling controls, to increase and reduce the mag-
netization levels and to provide indications on the
machine status.
The function of available contacts is described be-
low.
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