pipt_scale

This function retrieves the zero and span used for scaling Archive values. The top of range = zero + span.

C format

int32 pipt_scale(

int32 pt,

float PIPTR * zero,

float PIPTR * span );

Returns

>0

System error

0

Success

-1

Point does not exist

Arguments

pt (passed)

Point number

zero (returned)

Engineering unit zero

span (returned)

Engineering unit span

Usage Notes

This call is invalid for digital tags.

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