Eaton Power Xpert C445 User Manual page 193

Global motor management relay

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Chapter 9—C445 Logic Engine and Expansion I/O

REFSCALE—Range Scaler

The REFSCALE function block scales INPUT within the input range specified by IN_MIN

and IN_MAX to one of the output ranges specified by OUT_MIN_1 and OUT_MAX_1 or

OUT_MIN_2 and OUT_MAX_2.

When OUT_MIN_2 and OUT_MAX_2 are both set to zero, OUT_MIN_1 and OUT_MAX_1

is considered as the active output range. If either OUT_MIN_2 or OUT_MAX_2 has a

non-zero value, then OUT_MIN_2 and OUT_MAX_2 will be considered as the active

output range.

The output range can be flipped over the horizontal axis using by setting INV to TRUE.

Internal implementation of the REFSCALE block,

Power Xpert C445 Global Motor Management Relay MN042003EN—January 2019 www.eaton.com