
7.EMERGENCY STOP CIRCUIT SPECIFICATION B-63753EN/01
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7 EMERGENCY STOP CIRCUIT
The emergency stop button and the enabling switch on the handy
machine operator’s panel are parts of emergency stop circuit in this
system. CNC and servo amplifier must be connected this emergency
stop circuit. In the case of detachable connection, the emergency line
is bypassed at the connection panel. The total connection diagram is
as follows. Additional contact of the emergency stop button and the
enabling switch are provided. So the function of emergency stop is
not lost if one contact breaks down.
24V
Emergency stop button on
the handy machine
operator’s panel
Enabling switch button on
the handy machine
operator’s panel
Enabling switch ON/OFF circuit,
example opening the protection cover
/ enter in the fence /switch on the
main o
erator’s
anel
Emergency
stop circuit
upper step
Emergency
stop circuit
lower step
To C N C
servo
amplifier
Terminal output of
Interface unit
Bypass with
detachable connection
switch on the
connection
anel
Safety relay for input DI of CNC and
emergency stop of servo amplifier
Interface
unit
Connection panel
Handy machine operator’s
panel
24V
Enabling switch
ON/OFF circuit
Detachable
connection
switch
Emergency stop button
Enabling switch
Emergency stop
circuit lower step
Emergency stop
circuit upper step