The new generation of PROTECT SRB 211 safety-monitoring modules offers enhanced features and more comfort at a highly budget-friendly price due to the standardisation.

The PROTECT-SRB 211 safety-monitoring modules have stood the test as universally applicable series for safe signal evaluation in various applications. The Schmersal Group now presents a new generation of this series featuring enhanced functions and more comfort at a highly budget-friendly price; all of these features were made possible by standardisation.

Until now, each time a different safety-monitoring module had to be used for the signal evaluation of convention switchgear, magnetic safety switches and optoelectronic safety devices (AODP´s). With the new SRB 211 series, all three types of safety switchgear can be connected to the same safety-monitoring module.

This means that the diversity of variants to be produced by Schmersal is decreased. It is however the customer, who takes the final advantage: due to the standardisation, the new SRB 211 safety-monitoring modules from Elan - the Centre of Competence of the Schmersal Group for safety-monitoring modules and safety-related control systems - can be manufactured more cost-efficient - and this advantage is passed on the customer.

Standardisation however does not mean that the user no longer has the choice. The safety-monitoring modules are supplied in the variants ST (dual-channel control with two NC contacts), AN (antivalent; for NC/NO combinations) and LT (two NC contacts, with long-term time setting). Three wiring variants - either with plug-in or soldered screw terminals or plug-in cage clamps - are available.

The drop-out delay for the STOP 1 releases can be set within a few seconds through a DIP switch.

The safety functions of the new SRB 211 safety-monitoring modules with 22.5 mm enclosure for control cabinet fitting include a current and voltage limitation for the input circuits as well as a reset function with trailing edge.

The Schmersal Group will present the entire series of new PROTECT SRB 211 safety-monitoring modules at the Hannover Fair: Hall 9, Booth D 35.