Hiwin D1-N Series Assembly And Commissioning Instructions page 79

Velocity Mode:
The drive amplifier receives the nominal speed value via I/O interface X6. Here the
nominal value can be supplied via the analogue input or via a digital input using
PWM.
Figure 8.21: "Configuration center" – velocity mode
The "Dead band" is an area around the stationary point in which "small" signals in
the mV range do not trigger movement in order to compensate for any zero point
deviations.
Figure 8.22: Definition of "dead band"
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Assembly and Commissioning Instructions Servo amplifier D1-N  15.10.2015