(ii) Unlike Simulink signals, which are essentially unitless, Physical Signals can have
units associated with them. Simscape block dialogs let you specify the units along
with the parameter values, where appropriate. Use the converter blocks to associ-
ate units with an input signal and to specify the desired output signal units.
(iii) You can connect Physical Signal ports to Simulink ports through special converter
blocks. Use the Simulink-PS Converter block to connect Simulink outports to
Physical Signal inports. Use the PS-Simulink Converter block to connect Physical
Signal outports to Simulink inports. ...
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