... 2.6 digits counter 3.Four output models. 4.Up and down counter Digital preset counterFeature1. Using SCM function, ... counter3. Relay output have four output models(R,N,C,F).4. Backup data for power fail,the data will be kept ... 10 years after the power fail.5. Two passage output alarm ... 5 class forset)20CPS,200CPS,3000C PS,10000CPS. Digital preset counter