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Operating Instructions
Safety Systems with Locking ESL-IH-AR
18
(translation of the original operating instructions) 119138-05-10/15
8.10. Information on operation on an AR evaluation unit
The devices can be operated on an AR evaluation unit. Please refer to the operating instructions for the relevant AR evalu-
ation unit for more information.
8.11. 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 devices.
Ì
A pulsed power supply must not be used for U
B
. Tap the supply voltage directly 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
The safety outputs (FO1A and FO1B) can be connected to the safe inputs of a control system. Prerequisite: The input
must be suitable for pulsed safety signals (OSSD signals, e.g. from light curtains). The control system must tolerate test
pulses 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 device, please refer to chapter
11. Technical
data 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 » ESL. The features of the respective device are dealt with there in greater
detail.