Rotation Speed Monitor Gets a Restart

July 21, 2017
Pepperl + Fuchs' signal conditioners now have a 6 mm installation process.

The SC-System's family of signal conditioners can now be used even more comprehensively: the single rotation speed monitor with just a 6 mm installation width processes digital input signals of all binary sensors currently on the market and is now fitted with a restart inhibit. This feature enables the module to have to be activated via a reset input after limit values have been exceeded for a short period of time so that possible faults are found and rectified before restarting.

 

Signals from NAMUR and SN sensors including line fault detection and short-circuit detection, as well as the measurement data from the 2-wire DC sensors, may be processed in accordance with EN 60947-5-2.

 

Signals can be transferred safely in the control level from S0 sensors for measuring the water volume and from 3-wire sensors with PNP or NPN switching outputs. With its S0 interface, the rotation speed monitor is also ideal for areas outside industrial automation.

 

The module can safely detect any signal up to 30 V with an input frequency up to 50 kHz. The device is set using a DIP switch or PC software. A start-up override is available to restart the system when standstill monitoring.

 

With its space-saving enclosure design that is 6 mm wide and 97 mm high the modules are among the most compact on the market and they can be used at ambient temperatures of up to 70° C. The signal isolators are characterized by 3-way isolation withstanding a working voltage up to 300 V and a test voltage up to 3 KV. Optionally, they are supplied by terminals or a power bus.