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1 The difference between the MER and PCR registers [GB]

The protection bits are set in both PCR (0x303) and MER (0x8FC) with the only difference that the bits from PCR are reset as soon as the error condition disappears. The error bits from the MER register are cleared only when the FAULTR instruction is executed…

2 The difference between the motor current and phase current

The "motor current" is the amplitude of the motor phase currents while the "phase current" represents the current measured on each of the motor phases. The picture below shows the motor current and the phase currents in case of a brushless motor, driven in…

3 How to use the Logger from TML

The Logger is an evaluation tool, included in the EasyMotion Studio / Easy SetUp software, that starts automatically, when the "Run" button is pressed or when the "Start Logger" button is manually pressed. Sometimes these two starting modes are not enough…

4 The difference between "Target Reached" (SRH.9) and "Motion is Completed" (SRL.10)

The Target Reached bit (SRH.9) is set when the target position (the position reference generated by the internal reference generator) arrives at the position to reach (i.e. at the commanded position). The Motion is Completed bit (SRL.10) is set when the motion…