July 2013 3.27 MB 620 machine operating panel 319
Current carrying capacity of the outputs:Maximum 150 mA per output
X6: PLC inputs Pin layout of MB 620 without FS:
Please note that the outputs of connector X7 are powered internally by +24
V NC, and therefore supply +24 V NC at HIGH level.
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.
Each of the switching outputs at X7 supplies up to 150 mA of output current
and are provided for driving the lamps on the MP 620.
Immediately after the supply voltage has been switched on, all switching
outputs at X7 switch to HIGH level for approx. 100 ms, which is indicated
by short flashing of the connected lamps. Keep this characteristic in mind
if you connect inductive loads or other consumers to the MB 620.
HEIDENHAIN recommends:
Connect inductive loads and other consumers to the PLC outputs of the
PL 6xxx or UxC 11x. The described effect during switch-on does not occur
there. Use the outputs at X7 only for the control of lamps.
Connecting
terminals
Assignment
1I0
2I1
3 I2 (Control Voltage ON, CVO)
a
a. With standard wiring
4I3
5I4
6I5
7I6
8I7
9 Reserved (do not use)
10 Reserved (do not use)
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