3UG4 / 3RR2 monitoring relays
Manual, 05/2016, NEB927043002000/RS-AC/004
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3UG4651 speed monitoring relay
Application areas
Application areas
The speed monitoring relays are used, for example, in the following applications:
Table 12- 1 Application areas of the speed monitoring relays
• Monitoring for overload/underload • Conveyor belt (monitoring transported goods for
completeness, for example)
• Milling machine
• Turning machine
• Slippage or tear of a drive belt
The speed monitoring relays can also be used for all functions where a continuous pulse
signal is to be monitored (e.g. belt travel monitoring, completeness check, pass monitoring,
or cycle time monitoring).
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