Chapter 7 Operating Instructions
C4000 Palletizer Std./Adv.
C4000 Fusion
80 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 8012249/YT69/2016-02-25
Subject to change without notice
Electrical installation
7.7 Key-operated pushbutton for bypass
The bypass function is only allowed to be activated as follows:
using a key-operated pushbutton with automatic return and two positions
using two independent input signals, e.g. two position switches or two safe PLC signals
The key-operated pushbutton for bypass is connected to the same connections as the
emergency stop instead of the emergency stop. You can design it also as equivalent
(N/C / N/C) or complementary (N/O / N/C). See section 7.6 “Emergency stop” on page 79.
Mount the key-operated pushbutton for bypass in such a way that the hazardous point
is completely visible when the key-operated pushbutton is used.
The key-operated pushbutton for bypass must have volt-free contacts.
If you connect the key-operated pushbutton for bypass to the C4000, then it is not
possible to connect an emergency stop, as it needs the same connections.
You must configure the switching mode of the key-operated pushbutton for bypass to
comply with the selected switch type (N/C / N/O or N/O / N/O) with the aid of the CDS.
7.8 Outputs for the virtual photoelectric switches
Pin 6 and 7 on the extension connection on the receiver are the outputs for the virtual
photoelectric switches. You can use these outputs for a PLC.
If you connect the outputs of the virtual photoelectric switches, then you must configure
them with the aid of the CDS prior to commissioning.
Notes
virtual photoelectric switches
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