Advantech SPC-821-6 Series User Manual page 36

Push Button with Extension Unit(Use All Button), Extension Unit 15" and
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21", base unit operator controls from right to left location design is Emergency
Stop Button, Red Push Button, Black Push Button, Blue Push Button, the other
button color is White and USB
Freely configuration do it by yourself assembly
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Terminal Board PIN Define
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SPC-800 User Manual 26