1. Introduction
The CERTEON BEM series digital PID temperature controller is designed for precise temperature regulation in various industrial and commercial applications. It features a universal signal input, dual digital display for process value (PV) and set value (SV), and configurable output options. This manual provides essential information for the safe and efficient installation, operation, and maintenance of your temperature controller.
2. Safety Information
WARNING!
- Risk of electric shock: The device operates at hazardous mains voltage. Ensure power is disconnected before installation or servicing.
- Improper wiring may cause fire, electric shock, or equipment damage.
- This controller is not a safety-limiting device. Additional independent safety protection must be installed for critical heating systems.
- Keep out of reach of children.
- Proper disposal: Follow WEEE directives for electronic waste.
Note: The above warning information is for reference only. Final warning language must comply with the official language requirements of the destination EU country.
3. Product Overview
The CERTEON BEM series offers a range of digital PID temperature controllers with clear displays and easy operation, suitable for various industrial and commercial uses.
Figure 1: CERTEON BEM Series Digital PID Temperature Controller
Video 1: Overview of CHIKONG Automation's industrial instruments, including various sensors and control panels, showcasing manufacturing processes and applications in different industries.
Key Features:
- Large LED Display: Clear dual display for Process Value (PV) and Set Value (SV).
- PID Intelligent Control: Advanced self-tuning capabilities for precise temperature management.
- High Precision: Ensures accurate temperature measurement and control.
- Multi Protection: Industrial-grade anti-interference features including surge, radiation, lightning, fast transient burst, and electrostatic discharge protection.
- Multiple Sizes: Available in various panel sizes to suit different installation needs.
- Durable Construction: Front panel made of high-quality organic glass and polymer material for excellent transparency and chemical resistance.
- Stable Power Supply: Features an all-copper transformer for reliable operation and extended lifespan.
- Copper Terminals: More durable, radiation-resistant, and provide tighter contact for wiring.
Figure 2: Key features of the CERTEON BEM Series Temperature Controller
Available Models and Sizes:
Figure 3: CERTEON BEM Series models (M102, M402, M702, M902) with their respective panel dimensions.
- M102: Panel Size 48×48mm
- M402: Panel Size 48×96mm
- M702: Panel Size 72×72mm
- M902: Panel Size 96×96mm
Applications:
Figure 4: Examples of wide application for the temperature controller, including Industrial Equipment, Heating Control, Oven & Furnace, Greenhouse, Aquaculture, and Refrigeration.
- Industrial Control
- Chemical Industry
- Medical Equipment
- Agricultural Greenhouses
- Heating Control
- Oven & Furnace
- Aquaculture
- Refrigeration
4. Specifications
| Parameter | Specification |
|---|---|
| Brand | CERTEON |
| Product Name | Temperature Controller |
| Model | M Series (BEM102, BEM702, BEM402, BEM902) |
| Panel Size & Cutout | C102: Panel 50×50mm | Cutout 45×45mm C702: Panel 72×72mm | Cutout 66×66mm C902: Panel 96×96mm | Cutout 92×92mm C402: Panel 48×96mm | Cutout 45×92mm |
| Rated Voltage | 180V-240VAC 50Hz |
| Power Consumption | ≤5VA |
| Input Type | Universal input, default K-type thermocouple |
| Adjustable Temperature Range | 0-400°C (Max adjustable up to 1370°C depending on sensor type) |
| Measurement Accuracy | ±0.5%FS |
| Resolution | 1°C, 0.1°C (adjustable) |
| Alarm Range | Full range adjustable |
| Control Method | PID control |
| Display | Dual digital LED display for PV and SV |
| Relay Outputs | Two relay outputs |
| Optional Outputs | Relay, SSR, Relay + SSR, 4-20mA, RS485, 0-10V |
| Output Limitation | 0-10V and SSR cannot be used simultaneously |
| Memory Protection | Non-volatile memory for parameter retention |
| Material | Front panel made of organic glass and polymer material |
5. Installation
Preparation:
- Ensure the supply voltage matches 180-240 VAC 50 Hz before installation.
- Install the controller into the panel cutout according to the specified dimensions.
- Connect the power supply terminals, sensor input terminals, and output terminals according to the wiring diagram provided.
- Verify correct wiring of thermocouple polarity or other selected input signals.
Wiring Diagrams:
Figure 5: BEM702 PT1220 Wiring Diagram. Includes power (180-240VAC), universal input (default PT100), and output (Relay+SSR/1 Alarm). Also shows physical dimensions and internal wiring for 220VAC supply, ALM1/OUT2, ALM2, and TC/RTD inputs.
Figure 6: Solid State Relay Wiring Diagram. Shows connections for N (Neutral) and L (Live) power, a warning light, a solid state relay, a heating tube, and a thermocouple/RTD (Resistance Temperature Detector).
Figure 7: M402/702/902 Wiring Diagram. Details connections for 8, 9 (Power supply), 3/4 (Solid-state output), 10, 11 (Alarm point normally open output), 12, 13 (Relay normally open output), 13/14 (Relay normally closed output), 5, 6, 7 (RTD input), and 5, 6 (Thermocouple input). Also includes an AC Contactor Wiring example with N and L power, warning light, AC contactor, heating tube, and thermocouple/RTD.
Figure 8: M102 Wiring Diagram. Details connections for 1, 2 (Power supply), 3, 4 (Solid-state output), 5, 6 (Relay normally open output), 8, 9 (Alarm point normally open output), 10, 11, 12 (RTD input), and 11, 12 (Thermocouple input). Also includes an AC Contactor Wiring example with N and L power, warning light, AC contactor, heating tube, and thermocouple/RTD.
6. Operation
Front Panel Analysis:
Figure 9: Front panel layout of the temperature controller, showing the primary and secondary displays, temperature unit, action indicators, and control keys.
- Primary Display (PV): Displays measured values and various prompts based on the instrument status.
- Secondary Display (SV): Displays set values and various parameter values based on the instrument status.
- Function Key (SET): Main and submenu entry key; parameter modification and confirmation key.
- Increase Key (▲): Adjusts values upward; manual mode entry key; menu and parameter switching key.
- Decrease Key (▼): Adjusts values downward; self-tuning mode entry key; menu and parameter switching key.
- R/S Key: Left/right navigation key.
- Action Indicators: OUT1 (Main Control Output 1); AT (Auto-Tuning); AL1 (Alarm 1); AL2 (Alarm 2); OUT2 (Output 2); A/M (Manual/Automatic).
Basic Operation:
- Power On: Apply power to the controller. The display will show the current process value on the PV display and the set value on the SV display.
- Set Temperature: Use the front panel keys (▲ and ▼) to adjust the desired temperature.
- Configure Parameters: Access the parameter setting menu using the Function Key (SET) to configure input type, control mode, alarm parameters, and output type according to your application requirements.
- PID Parameters: Select PID parameters manually or use the auto-tuning function if available.
Data Reading:
- The upper display indicates the measured temperature value (PV).
- The lower display indicates the configured set temperature (SV).
- Indicator lights show output and alarm status.
7. Maintenance
Precautions:
- Ensure installation is performed by qualified personnel.
- Disconnect power before wiring or maintenance.
- Use appropriate thermocouples or input sensors compatible with the configured input type.
- Do not exceed the specified voltage and temperature range.
- Avoid installation in environments with excessive humidity, corrosive gases, or strong electromagnetic interference.
- Do not operate the device with damaged housing or exposed terminals.
Storage and Cleaning:
- Store the device in a dry, ventilated environment away from direct sunlight.
- Clean the front panel using a soft dry cloth. Do not use aggressive solvents or abrasive materials.
- Periodically inspect wiring terminals to ensure secure connections.
8. Troubleshooting
If you encounter issues with your CERTEON BEM series temperature controller, please review the installation and operation sections to ensure all steps have been followed correctly. Common issues often stem from incorrect wiring, improper parameter settings, or incompatible sensors. Ensure all connections are secure and that the input sensor type matches the controller's configuration.
For complex issues, it is recommended to consult a qualified technician or contact customer support.
9. User Tips
- The clear dual display makes it easy to monitor both the current and set temperatures at a glance, enhancing user experience.
- Utilize the auto-tuning function for optimal PID parameter settings, especially during initial setup or when changing the controlled process.
10. Support and Compliance
User Manual (PDF):
A detailed user manual in PDF format is available for further reference. You can view it here.
Contact Information:
Figure 10: Contact details for CERTEON, including WhatsApp and Email.
- WhatsApp: +86 19542723588
- Email: celiachen008@gmail.com
Compliance Disclaimer:
This document is provided for product instruction purposes only. It does not constitute legal advice. The seller is responsible for ensuring compliance with destination market regulations.