October 2011Operator Interfaces, Switches & Relays
The new G1502S safety relay from ifm electronic conforms to all the latest safety standards, including SIL3 to IEC 61508, PLe under ISO 13849-1 and EN 574 type IIIC. It fulfils many safety tasks without the need for different types of relay. It works with the entire range of fail-safe inductive sensors from ifm and can be used in a variety of ways.
The G1502S performs monitoring tasks in safety applications using different types of electro-sensitive protective equipment (ESPE), so the user has no need for special relays for light curtains, e-stops or two-hand controls. The latter can meet standard EN 574 type IIIC, employing electronic sensors or mechanical switches. The time delay feature, adjustable between 0,25 and 10 s, can be applied to two safe outputs and cannot be tampered with without tripping the relay. There are also several multifunctional self-detecting and self-monitoring inputs and short-circuit proof outputs.
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