Euchner CES-I-AR-M-C04 (Multicode) Instrukcja Użytkownika Pobierz pdf (Strona 18)

Operating Instructions Safety Switch CES-I-AR-M-C04

Notes on operation with safe control systems

Please observe the following requirements for connection to safe control systems:

Ì Use a common power supply for the control system and the connected safety

switches.

Ì A pulsed power supply must not be used for UB. Tap the supply voltage direct-

ly from the power supply unit. If the supply voltage is connected to a terminal

of a safe control system, this output must provide sufﬁcient electrical current.

Ì Always connect inputs FI1A and FI1B directly to a power supply unit or to

outputs FO1A and FO1B of another EUCHNER AR device (series connection).

Pulsed signals must not be present at inputs FI1A and FI1B.

Ì Outputs FO1A and FO1B can be connected to the safe inputs of a control sys-

tem. Prerequisite: The input must be suitable for pulsed safety signals (OSSD

signals, e.g. from light curtains). The control system must tolerate clock puls-

es on the input signals. This normally can be set up by parameter assignment

in the control system. Observe the notes of the control system manufacturer.

For the pulse duration of your safety switch, please refer to the section “Typi-

cal system times” on page 23.

A detailed example of connecting and setting the parameters of the control system

is available for many devices at www.euchner.de in the area Download » Applications

» CES. The features of the respective device are dealt with there in greater detail.

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Euchner CES-I-AR-M-C04 (Multicode) Instrukcja Użytkownika Strona 18