Speed and direction monitor unit NV57H

Functional Description

The NV57H is used to monitor speed and direction of a movable part detected using sensor E57HDV

Application fields

• Speed and direction monitoring of an elevator car during its manual movement or in normal operation in MRL systems
• Measurement of speed and direction of a moving component

Main features

• Power supply: 9-30Vdc
• Inputs for E57HDV sensor
• 3 Open collector transitor outputs for speed monitor
• 1 Relay output for overspeed signaling
• RS485 serial interface for continuous speed monitoring or configuration
• Dip switch to set the maximum allowed speed