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R O L A N D
Rev. 1.0
5. Electrical installation
5.1 General instructions
The control unit is connected to the associated machine via the central connection plug / socket. Thus the
unit can be exchanged without unscrewing the cables.
The central connection provides for supply voltage, inputs / outputs of the PLC and the central grounding
lead of the associated machine.
The cable shieldings of the PLC inputs / outputs are connected to the system grounding of the PLC only
at one side of the cable.
The sensor cables should be kept as short as possible in order to minimize interferences from
electromagnetic fields. Cable shields must be connected according to the connection diagrams only and
must not have any additional connections.
Attention: Damaged cable installations can result in additional (unwanted) electrical
connections. This can distort the measured values.
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
Page 43
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