Chapter 9—C445 Logic Engine and Expansion I/OPower Xpert C445 Global Motor Management Relay MN042003EN—January 2019 www.eaton.com 183CTU—Up CounterThe CTU function block is an up counter that increments the counter value (CV) by one atthe rising edge of the count up (CU) trigger. A rising edge reset (R) trigger will clear thecounter value irrespective of the state of other inputs. The counter value is persistentthrough power cycle of the device.Parameter Data type DescriptionCU BOOL Count up trigger—rising edgeR BOOL Reset counter valuePV INT Preset valueOUT BOOL Count-up complete flagCV INT Counter valuePower Loss
