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Chapter 9—C445 Logic Engine and Expansion I/O
Power Xpert C445 Global Motor Management Relay
MN042003EN—January 2019
www.eaton.com
183
CTU—Up Counter
The CTU function block is an up counter that increments the counter value (CV) by one at
the rising edge of the count up (CU) trigger. A rising edge reset (R) trigger will clear the
counter value irrespective of the state of other inputs. The counter value is persistent
through power cycle of the device.
Parameter
Data type
Description
CU
BOOL
Count up trigger—rising edge
R
BOOL
Reset counter value
PV
INT
Preset value
OUT
BOOL
Count-up complete flag
CV
INT
Counter value
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