CHAMPION CYHD 490 B is with electronically controlled folding knives with advanced work levels. Four precision parallel buckle folds and two vertical folds can be done on the CYHD 490B. The parallel folds include the concertina fold and the letter fold. It is suitable for 8 page, 16 page and 32 page signatures. The advanced PLC with user-friendly keyboard operates as the machine’s control center, displaying operating speed, digitally set product count, sheet length setting, sheet gap, stacking length counting data, errors indicator and more.