Input from Mechanical Contact, 2 or 3 Wire Proximity Switch, or AC Voltage
Timer, Counter, Frequency Meter Configurable
Count Back‑Up on EEPROM at Power Off
Six Time Scales, 1msec Resolution
Five Counter Prescalers
Double Display
Quartz Timer
The model 556 is configurable for many different functions and is designed for reliability in industrial environments. The double display and minimum size make it the ideal choice for every requirement for a timer, counter or frequency meter. The display can be expressed in the engineering units of the count affected using one of the five prescaler ranges. As a timer, it has six scale ranges from hundredths of a second to hours and minutes.