A-B 1756-TBCH
The A-B 1756-TBCH module consists of A variety of safety relays controlled by built-in monitoring functions. It offers single – and dual-channel safety relay options for emergency stop and safety door applications. The modules have single – or dual-channel monitoring capabilities, and the option to do so with or without delay. In addition, all products are equipped with the same safety relays, but with different monitoring and interfaces for specific applications1.
Product parameters:
The safety rating of the A-B 1756-TBCH module varies depending on the application. Single-channel modules comply with EN954-1 Category 2, PLDS comply with EN13849-1 and SIL 2 comply with IEC/EN 61508. All other units comply with EN954-1 category 4, PLe with EN13849-1 and SIL 3 with IEC/EN 61508 standard 1
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