Phonix Contact Safety Relay PSR-ESL4_ B

1. Short Description The PSR-… -24DC/ ESL4/ 3X1/ 1X2/ B safety relay can be used in safety circuits according to DIN EN 60204-1/ VDE 0113 Part 1. Depending on the external circuit, up to Safety Category 4 can be achieved. One or two-channel control is available with manual or automatic activation. Depending on the controller board, a reset button is monitored. The relay has three enable current paths and one signaling current path. The contacts drop without delay according to Stop Category 0 ( DIN EN 60204-1/ VDE 0113 Part 1) . If an auxiliary supply of 24 V AC/ DC is supplied at A1 and A2, the Power LED lights up. The safety relay is prepared by connecting terminal points S11/ S12 and S11/ S22. The module starts when terminal blocks S33/ S34 or S33/ S35 are jumpered. Contacts 13/ 14, 23/ 24, and 33/ 34 close and contact 41/ 42 opens. LEDs " K1" and " K2" light up. External contactors or contact expansions with positively driven contacts are monitored in the S33/ S34 or S33/ S35 circuit by looping the corresponding Form B contact.