Operating Instructions
Non-Contact Safety Switch CES-I-BR-.-C07-…
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(translation of the original operating instructions) 2510145-02-07/18
8.9. Connection of several devices in a switch chain
Important!
Ì A BR switch chain may contain a maximum of 20 safety switches.
Ì The example shows only an excerpt that is relevant for connection of the CES system. The exam-
ple illustrated here does not show complete system planning. The user is responsible for safe inte-
gration into the overall system. Detailed application examples can be found at www.euchner.com.
Simply enter the order number in the search box. You will nd all available connection examples for
the device in Downloads.
The series connection is shown here based on the example of the version with plug connectors M12. The switches are con-
nected one behind the other with the aid of pre-assembled connection cables and Y-distributors. If a safety door is opened or
if a fault occurs on one of the switches, the system shuts down the machine. A higher-level control system cannot, however,
detect which safety door is open or on which switch a fault has occurred with this connection technology.
The series connection can also be realized via additional terminals in a control cabinet.
The safety outputs are permanently assigned to the respective safety inputs of the downstream switch. FO1A must be routed
to FI1A and FO1B to FI1B. If the connections are interchanged (e.g. FO1A to FI1B), the device will switch to the fault state.
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