title

SNS 4084K-A

Zero-speed monitor (Frequency range 0.5 – 99 Hz) with start-up-bridging- function

Description

The SNS 4084K standstill monitor provides for the safe monitoring of the frequency of a signal at inputs I1 to I4 of the device. If the frequency of the impulses is high than the frequency set at the rotary switches then outputs Q1/Q2 will switch off. This monitoring function can be used to detect the standstill or a lower, safer rotational speed of a machine

Specifications

Safety rating: Up to SIL 3 Category 4 PL e

Protection rating: IP 40 for housing, IP 20 for terminals

Compliance

EN ISO 13849-1

EN 62061

Model Product Number Contacts Outputs Operating Voltage Adjustment Range
SNS 4084K-A R1.188.3480.0 4 Inputs 4 Safe OSSD outputs and 2 OSSD outputs 24 VDC 0.5 – 99Hz
SNS 4084K-A R1.188.3660.0 4 Inputs 4 Safe OSSD outputs and 2 OSSD outputs 24 VDC 0.1 – 9.9Hz