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Hardware reference
Note
Make sure that the address is unique in the MECHATROLINK-II
network. If two or more units have the same MECHATROLINK-II
address, they cannot be initialized properly.
3. Turn the power on.
Note
To make the MECHATROLINK-II address of the unit valid, do one
of these steps:
•
Restart the TJ2-MC__.
•
Execute the command MECHATROLINK(unit,0).
Power supply connector
The GRT1-ML2 has 2 24 VDC power supply terminals:
/i
Label Power supply terminal Description
A
Unit power supply
Power supply to the internal circuits of the GRT1-ML2
terminal
and to the internal circuits of the connected SmartSlice I/
O Units (through the SmartSlice bus)
B
External I/O power
Power supply to the external I/Os connected to the
supply terminal
SmartSlice I/O Units
Note
The unit power supply and the external I/O power supply are not
transferred through the GCN2-100 Turnback cable. The
GRT1-TBR units have the same power supply terminals as the
GRT1-ML2.
Note
The unit power supply is isolated from the external I/O power sup-
ply. Please use 2 separate power-supplies to keep this isolation.
HARDWARE REFERENCE MANUAL
fig. 79
UNIT
+V
A
24 VDC
-V
I/O
+V
B
24 VDC
-V
DC24V
INPUT
155
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