[*8]. Analog pin select
The Pin for PWM (Pulse Width Modulation) Analog lets the user chose between
Y101 and Y317. The default setting is Y317. Please be careful of this 2 way bridge
selection. Make sure that you bridge only one position at a time.
Figure 33, PWM analog output solder bridge
[*9]. Isolated Outputs
Normally, MB3 provides high current transistor outputs. However, these outputs are
slow, yet share common ground with other parts of the circuit board. In some
circumstances, the user may need faster output or perhaps isolated output to
interface with external device such as digital inputs of VFD which high voltage or
noise interference running around them. So, isolated output is the best for
interfacing with this kind of devices.
There are 4 isolated outputs for the user to access them by cutting and rewiring to
free terminal.
Figure 34, Solder bridges for Isolated transistor outputs
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