340 HEIDENHAIN Technical Manual iTNC 530 HSCI
The emergency stop inputs (pin 6 and pin 8) are active even if the HR
handwheel has been deactivated via machine parameter MP7640. It is
therefore always necessary to wire the emergency stop inputs correctly.
Emergency stop buttons are to be used exclusively for emergency stop
purposes. Under normal operating conditions, a machine must not be
switched off via the emergency stop buttons. The proper functioning of all
emergency stop buttons is to be tested annually by pressing these buttons.
General:
Key assignment for
machine operating
panel
Please note that the MB 720 is powered by +24 V NC.
For the entire HSCI system, the +24 V NC supply voltage is required to be
safely separated voltage. The +24 V NC supply voltage must not, under any
circumstances, be connected with the +24 V PLC supply voltage, because
this removes the double basic insulation.
Y
Y
S1 S2 S3 S4 S5 S6 S7 S8 S9 S11 S12
S13
NC-Stop
S14 S15 S16 S17 S18 S19 S20 S21 S22 S24 S25 S26
NC-Start
S27 S28 S29 S30 S31 S32 S35 S37 S38
S39
CVO
S33 S34 S36
S10
S23
O1 O2 O3 O4 O5 O6 O7 O8 O9 O10 O11 O12
O14
O15 O16 O17 O18 O19 O20 O21 O22 O23 O24 O25
O27 O28 O29 O30 O31 O32 O33 O34 O35 O36 O37 O38 O39
O26
O13
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