SMS1209 is a LCD display module with numeric pen segment type LCD. It can display 12 digits and 9 segments of prompt and 11 decimal points. It is low power consumption and widely used in telephone meters and intelligent displays.
This manual explains how to install the area type light curtain, including safety distance calculations (D = K×T + C) and mounting precautions. It describes the meaning of the LED indicators on both the transmitter and receiver, and details the self‑test procedure.
The document also covers the alarm mode settings, showing how to select three different flashing patterns by wiring the red and brown wires within five seconds after power‑on. Technical specifications such as supply voltage, power consumption, detection distance, and environmental limits are listed. This manual is written in Chinese.
| Supply voltage | 24VDC |
|---|---|
| Reaction time | <0.5×光轴数+5 ms |
| Detection distance | 0.5‑5 m / 10 m |
| Operating temperature | -10 °C to +55 °C |
| Operating humidity | 15 %‑85 % |
| Light source intensity | 10000 LX |
| Vibration frequency | 10‑55 Hz |
| Vibration amplitude | 0.75 mm |
After powering the unit, connect the red and brown wires within five seconds to select one of three flashing alarm modes as described in the manual.