This is a PDF version of the Delta CTA series timer/counter/tachometer user manual. The manual provides detailed information about the features and characteristics of the Delta CTA series products, and also offers operating instructions.
This user manual describes the features, installation, and operation of the Delta CTA series, a 3‑in‑1 timer, counter and tachometer. It includes basic instructions, function descriptions, and application examples such as on‑cut‑to‑length machines.
The document covers default settings, DIP‑switch configuration, input/output wiring, and technical specifications like power requirements, environmental limits, and counting speeds. It also provides troubleshooting notes and safety precautions for reliable use.
| Power input | AC100 ~ 240V, 50/60Hz |
|---|---|
| Power consumption | Less than 10VA |
| Display | Double‑line, 6‑digit LCD |
| Output 1 relay rating | SPST, max 250Vac, 5A |
| Output 2 relay rating | SPDT, max 250Vac, 5A |
| Dielectric strength | 2000Vac for 1 minute |
| Vibration resistance | 10‑55Hz, 0.75mm amplitude, 3 axes, 2 h |
| Shock resistance | Drop 4 times, 300 m/s² |
| Ambient temperature range | 0 °C to +50 °C |
| Storage temperature range | -20 °C to +65 °C |
| Maximum counting speed | 10 K cps |
| Counting speed options | 1, 30, 200, 1K, 5K, 10K cps |
It requires about 200 ms after the CTA is switched on for internal power activation and default value reset.
The CTA series is offered as two models: CTA4000A and CTA4100A, differing in the type of output.
The default output pulse width is 0.02 second.
The CTA operates from an AC power source of 100 V to 240 V at 50/60 Hz.