Application guide safety relays - riese electronic - #49

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application guide safety relays from riese electronic page 47 Y1 Y2 A1(+) A2(-) 13 23 24V AC/DC 14 24 Start Not- STOP EHalt/ Y1 Y2 A1(+) A2(-) 13 23 24V AC/DC 14 24 K1 K2 K1 K2 Sext Uext Start Not- STOP EHalt/ d) SAFE 5 / SAFE 5.1 (SAFE 5 : without start control) (SAFE5.1: with start control) Single channel emergency stop By pressing the START button the unit is activated. Contacts 13-14, 23-24, 33-34 close and contact 41-42 opens. Pressing the emergency stop will reset the contacts. Suitable up to category 2; SIL1;PLd reachable Single channel emergency stop with external contact extension (1 contactor) and contact monitoring. This application uses one external positive guided contactor. One normally closed contact of each contactor must be connected in series to the START button. Through the switch S ext. the external contactor can be operated or turned off at any time the SAFE 5.1 is activated . Suitable up to category 2; SIL1;PLd reachable Single channel safety gate monitoring. If switch S1 of the safety gate is closed the output contacts do not change state. Pressing the START button activates the SAFE 5.1. When contacts 13-14, 23-24 and 33-34 close and contact 41-42 opens. Opening S1 of the safety gate the reset immediately . Suitable up to category 2; SIL1;PLd reachable 24V AC/DC Y2 Y1 A1(+) A2(-) START S1 13 23 33 41