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R O L A N D
Rev. 1.0
Cable SM8KRS232D9S:
2
1
3
GND - 1
RXD - 2
TXD - 3
5.2.5 Central connection (central plug)
The supply voltage as well as the PLC inputs / outputs are connected via the central plug.
5.2.5.1 Machine grounding
The control unit must be connected to the central machine grounding by a cable with a cross-section of
at least 1,5mm
2
.
5.2.5.2 Supply voltage
The connecting line for the supply voltage should be kept short. For cable length below 20m (65 ft) a cross-
section of 2x1mm
2
is sufficient, for longer lines the cross-section must be increased accordingly. For power
consumption of the unit please see section „Technical data".
ROLAND ELECTRONIC GMBH · Otto-Maurer-Str. 17 · D-75210 Keltern · Telefon (0049) (07236) 9392-0 · Telefax (0049) (07236) 9392-33
OPERATING INSTRUCTIONS
DOUBLE SHEET DETECTOR R1000 UDK20
cable length 3 m
Page 49
1
6
2
7
3
8
4
9
5
5
3
2
shield connection
at cable receptacle
Abb.: Central plug
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