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Preventa XY2C - XPS association to XY2CH E.stop rope pull switch to reach PLe category 4

Published date: 16 September 2019

Find attached wiring diagram of the XPSUAF safety relay associated to XY2CH E.stop rope pull switch to reach PLe category 4 (ISO 13849-1 standard) or SIL3 (IEC 62061) solution. If you have 2 switches to monitor in PLe category 4, you have to select the XPSUS unit able to monitor simultaneously 2 units in PLe. XY2CH switch to select needs to have at least 2 NC contacts for the XPS monitoring or 3 contacts 2 NC + 1NO if a pilot light is used : XY2CH139* or XY2CH149* (complete references in the XY2C catalogue)


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