Communication With The Plc; Plc Inputs; Plc Output Signals - Roland udk20 Manual

Communication with the PLC

6 Communication with the PLC
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The UDK20 has 9 potential-free, galvanically insulated (opto coupled) inputs. For the 4 outputs
there are relays or opto couplers available as alternatives.
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6.1

PLC inputs

For external control parallel PLC inputs are available. These inputs can be operated via a PLC. If
several functions are executed at the same time, then the unit issues an fault message. The
following functions are possible:
• Measurement Start / Stop
• System test
• Menu selection
• Teach-In (not active as factory adjustment)
• Zero adjust (not active as factory adjustment)
6.2

PLC output signals

The following signals are available as outputs:
Signal
OUT3
OUT2
OUT1
OUT0
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ROLAND ELECTRONIC GmbH · Otto-Maurer-Str. 17 · DE 75210 Keltern · Phone +49 (0)7236-9392-0 · Fax +49 (0)7236-9392-33
Double Sheet Detector R1000 series UDK20
Meaning Note
0-sheet output Standard 0 V active (selectable in system configuration)
1-sheet output Standard 0 V active (selectable in system configuration)
2-sheet output Standard 0 V active (selectable in system configuration)
ENABLE output Standard 24 V active (not selectable, for safety reasons)
Manual
Opto coupler outputs
B0048991 / Rev. 1.3