units example scanmode pwm

[mariomoskis]

hello,i saw the next code in labview to generate a pwm signal in scan mode:

https://decibel.ni.com/content/docs/DOC-11079

i don´t understand the units,for example:

if inputs are mshigh=1 and mslow=1,is it ok?or should i wrote 0,001?because i want ms