The LD LD72S-REC timer controller manual provides functional overview, technical specifications, wiring diagram, and operation instructions.
The LD72S-REC timer controller offers multiple timing functions, including signal length measurement, a 4‑digit high‑brightness LED display, and selectable input and timing modes via internal switches and terminal blocks. It uses a dedicated high‑performance microchip oscillator for timing accuracy up to 0.05 %.
Technical specifications cover a wide timing range, DIN‑standard panel size, weight, environmental limits, anti‑interference capability, and durability. The manual also includes wiring diagrams, reset methods, and signal width requirements for proper installation and use. This manual is written in Chinese.
| Rated operating voltage | 85~265 VAC/DC |
|---|---|
| Timing range | 0.01 Sec ~ 99.99 Sec (others available) |
| Panel size | DIN 72 mm × 72 mm |
| Operating temperature | -10 °C ~ +55 °C |
| Relative humidity | 35 % ~ 85 % RH |
| Anti‑interference capability | AC 2 kV (between operation terminals) |
| Mechanical life | 5 million cycles |
| Electrical life | 1 million cycles |
The timer can be reset via the panel button or the bottom terminal block, and the reset signal must be at least 20 ms wide.
The controller achieves timing accuracy up to 0.05 % using a dedicated high‑performance microchip oscillator.