About this manual
This manual provides safety warnings, installation instructions, wiring diagrams and operating procedures for the RKC CB400, CB500, CB700 and CB900 digital temperature controllers. It explains required protective measures, mounting methods, and how to connect power and signal cables safely.
The document also describes the controller’s functions, including PID control, alarm settings, auto‑tuning, and data‑lock features. Detailed parameter tables, input‑range charts and troubleshooting guidance are included to help users configure and maintain the device. This manual is written in Chinese.
What's inside
- Safety Precautions
- Installation Guidelines
- Panel Dimensions
- Mounting Method
- Wiring and Connection
- Part Identification
- Parameter Settings
- Operation Steps
- Auto‑tuning Function
- Troubleshooting
Specifications
| Power supply voltage | 90~264 V AC |
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| Maximum power consumption (AC 100 V) | 7 VA |
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| Maximum power consumption (AC 240 V) | 10 VA |
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| Control output rating (relay contact) | AC 250 V, 3 A |
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| Alarm output rating (relay contact) | AC 250 V, 1 A |
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| Current output | DC 4~20 mA |
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| Weight (CB400) | ≈ 230 g |
Frequently asked questions
What safety steps must be taken before powering the controller?
Do not apply power until all wiring is completed, avoid touching high‑voltage terminals, install appropriate protective circuits, and ensure the device is mounted according to IEC 61010‑1 requirements.
What are the power supply requirements for the controller?
The controller can be powered from 90 V to 264 V AC (including variations) or from a 24 V DC source, with the AC supply frequency 50/60 Hz.