SPMD250STP

Multi modules application

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Multi modules application

In complex systems, many motors must be controlled and driven. In such a case more than

one SPMD250STP must be used.

To avoid chopper frequencies noise and beats, all the modules should be synchronized.

If all the motors are relatively small, the fast decay may be used, the chopper frequency

does not need any adjustement and Figure 17 shows how to synchronize several modules.

When at least one motor is relatively large a lower chopper frequency and a slow decay may

be required: In such a case the overall system chopper frequency is determined by the

largest motor in the system as shown in Figure 18.

Figure 17.

Multimotor synchronization, small motor and fast current decay

SPMD250STP

SPMD250STP

SPMD250STP