Technical and operation guide for the Keli R30 weighing and dosing controller, covering installation, settings, and maintenance.
About this manual
The Keli R30 is a high‑precision weighing and dosing controller designed for industrial processes. This manual provides safety precautions, functional descriptions, and detailed specifications for the R30 series.
It includes step‑by‑step instructions for installation, wiring, daily operation, recipe programming, weight calibration, communication setup, and troubleshooting, helping users configure and maintain the device safely and efficiently. This manual is written in Chinese.
What's inside
- Precautions
- Features and Characteristics
- Model and Technical Specifications
- Installation and Wiring
- Daily Operation
- Recipe and Parameter Settings
- Weight Calibration
- Serial Communication Parameters
- Dosing Function Parameters
- Maintenance and Care
Specifications
| Dimensions (W×H×D) | 104 mm × 59 mm × 142 mm |
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| Weight | ≈0.5 kg |
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| Power Supply | 20‑28 VDC, <200 mA |
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| Input Signal Range | -20 mV ~ +20 mV |
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| Resolution | 0.3 µV/d (max 20000 d) |
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| Switch Inputs | Up to 4 isolated optocoupler inputs |
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| Switch Outputs | Up to 12 isolated optocoupler relays, 30 VDC/200 mA |
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| Operating Temperature | -10 °C ~ +40 °C |
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| Storage Temperature | -30 °C ~ +60 °C |
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| Humidity (non‑condensing) | 10 % ~ 90 % RH |
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| Sensor Capacity | Up to 6 × 350 Ω sensors (or >58 Ω load) |
Frequently asked questions
What power supply does the R30 controller require?
It operates from a low‑voltage DC supply of 20‑28 VDC with a current consumption of less than 200 mA.
How many sensor inputs can the R30 handle?
The controller can drive up to six 350 Ω weighing sensors, or any load with an equivalent impedance greater than 58 Ω.
What is the maximum resolution of the device?
The maximum resolution is 0.3 µV per division, with a full‑scale division count of up to 20 000 d.