Rowan Reliable Control 2140-600EAR Totalizing Counter

Rowan Control 2140-600EAR is a totalizing counter designed to accumulate a running total of input pulses within industrial control circuits. The EAR variant operates from 110 VAC and accepts impulses at up to 16 counts per second, making it suitable for modest-speed counting tasks on automation panels. As part of Rowan Control's 2140 family, this device functions as a dedicated totalizer that preserves a cumulative count independent of rate measurements, providing a straightforward metric of production events or process activity in automation schemes. The 2140-600EAR is listed as discontinued by the manufacturer, with current availability typically limited to surplus stock from distributors, though some listings show it still in stock through resellers. A related variant, the 2140-600CJ, uses 24 VDC supply and supports different impulse-rate specifications (noted at 50 impulses per second in some listings) and is also described as a six-digit counter, illustrating the family’s range of input voltages and speeds.