Key facts
- Brand
- Samwontech
- Model
- TEMI880/TEMI850
- Category
- Other Electronics
- Industry
- Industrial
- Documents
- 3
- Languages
- KO · ZH · EN
- Last added
- 2026-10-20
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Samwontech TEMI880/TEMI850 Temperature and Humidity Programmable Controller User Manual
The manual introduces the Samwontech TEMI880/TEMI850 temperature and humidity programmable controller, covering safety precautions, installation steps, wiring, and basic operation. It emphasizes proper grounding, environmental limits, and warns against improper modifications or use in hazardous locations.
Detailed sections describe product inspection, accessory verification, mounting guidelines, wiring diagrams, setting buttons, various configuration screens (PID, DO CONFIG, communication), and programming examples. Communication options such as RS232C (standard) and optional RS485 are explained, along with battery replacement and maintenance procedures. This manual is written in Chinese.
SAMWONTECH TEMI880/TEMI850 specifications
| Operating Voltage | 100~240 V AC, 50/60 Hz |
|---|---|
| Operating Temperature | 10 °C – 50 °C |
| Operating Humidity | 20 % – 90 % RH |
| Storage Temperature | -25 °C – 70 °C |
| Storage Humidity | 5 % – 95 % RH |
| Panel Thickness | 10.04 mm |
| Standard Communication Interface | RS232C (basic) |
| Optional Communication Interface | RS485 |
Source: Samwontech TEMI880/TEMI850 Temperature and Humidity Programmable Controller User Manual
All SAMWONTECH TEMI880/TEMI850 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the product and what is it used for?
This manual covers the SAMWONTECH TEMI880 and TEMI850, which are programmable controllers for temperature and humidity.
From: SAMWONTECH TEMI880/TEMI850 Programmable Controller User Manual
What are the operating temperature and humidity limits?
The product must be used within a temperature range of 10 to 50 degrees Celsius and a humidity range of 20 to 90 percent RH.
From: SAMWONTECH TEMI880/TEMI850 Programmable Controller User Manual
What safety precautions must be observed before installing the controller?
The manual requires grounding the unit, avoiding installation in environments with vibration, corrosive gases, extreme temperatures, high humidity, dust, or strong UV, and ensuring power is off before wiring.
From: Samwontech TEMI880/TEMI850 Temperature and Humidity Programmable Controller User Manual
Which communication ports are available on the TEMI880/TEMI850?
The controller includes a built‑in RS232C port as standard and an optional RS485 port.
From: Samwontech TEMI880/TEMI850 Temperature and Humidity Programmable Controller User Manual
What is the panel thickness range for the TEMI controllers?
The panel thickness can be from 1 mm (0.04 in) up to 10 mm (0.39 in).
What D‑Register address ranges are defined in the manual?
Two D‑Register ranges are defined: 0000‑0599 and 1800‑2399.