Keterangan :

Monitors are versatile and fast-responding units for control and monitoring of overspeed, underspeed ( with start-up delay) . standstill and direction of rotation. It can take impulse inputs for use with single channel-signals ( A only) or quadrature signals ( A, B, 2x90° ) or TTL- and RS422-signals with differential format A, / A, B, / B. It is having wide operating range from 0.1 Hz to 1 MHz.