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If Safety Switches or opto-electronic protective devices are used for guarding danger zones, as the standard link the MSI-SR4 Safety Relay establishes the connection to the machine control system. The relay acts as an E-STOP relay or protective door monitor in accordance with EN 954-1 up to category 4 and EN 60204-1, STOP-0.
The MSI-SR4 equipment includes the evaluation of input signals using relay or transistor outputs as well as three safety-related switching outputs and a signal output. A wide range of applications can therefore be covered. The short response time of only 10 ms is especially advantageous.
A very compact construction of the machines is therefore possible with hand and finger protection in particular. The MSI-SR4 is easy to connect because of the unambiguous assignment of the functions – this guarantees time-saving mounting.
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