SLI1 series of single-bus intelligent temperature data logging devices operating manual, the product adopts American DALLAS linear field bus technology, can achieve practical online instrument monitoring scheme in low temperature conditions, can be widely used in various real-time temperature monitoring of data acquisition applications.
The SLI1 series is a single‑bus intelligent temperature data‑logging device that uses Dallas 1‑Wire technology and supports DS18B20 sensors. It is designed for real‑time temperature monitoring in applications such as industrial plants, cold storage, pharmaceutical GMP, and telecommunications rooms. The device can connect up to 24 sensors on a bus up to 200 m long and offers RS232, optional CAN and RS485 communication ports.
The manual describes hardware connections, power requirements, interface pin definitions, and the user interface with four keys for setting passwords, selecting channels, and configuring alarm limits. It also covers wireless/GPRS extensions, sensor test procedures, and a selection guide for different channel configurations.
| Display temperature range | -55°C~+125°C |
|---|---|
| Display resolution | 0.1°C |
| Temperature measurement accuracy | ±0.5°C |
| Temperature rate | 850 ms per point |
| Number of channels | 1‑24 points |
| Baud rate | 19200 (customizable) |
| Communication ports | RS232 (optional CAN, RS485) |
| Power supply | DC 5 V 2 A |
| Power consumption | 2 W |
| Weight | 270 g |
| Operating temperature range | -40°C~+85°C |
| Storage temperature range | -40°C~+85°C |
| Maximum bus cable length | <200 m |
| Dimensions | 72 mm × 72 mm × 75 mm |
| Hole size | 67 mm × 67 mm |
The device includes an RS232 standard serial port and optional CAN or RS485 ports. It also provides a three‑wire bus interface that can reach up to 200 m and support up to 24 sensors.
Up to 24 sensors can be connected on the single‑bus interface, with a maximum cable length of 200 m.