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CLS204 Temperature Controller

The Watlow ANAFAZE CLS204 functions as a high – precision temperature controller. It interfaces with a variety of input sensors, including thermocouples and RTDs, to accurately measure the temperature of the process. Once the temperature is sensed, the controller uses its advanced PID (Proportional – Integral – Derivative) control algorithm to calculate the appropriate output. This output can be in the form of relay, solid – state relay (SSR), or solid – state signals, which are then used to adjust the heating or cooling elements in the system.

Model Number CLS204 
Brand Watlow
Type Temperature Controller
Input Voltage 100 – 240 VAC, 50/60Hz
Operating Temp Range – 20 °C to + 70 °C
Mounting Style Panel Mount (compact 96 x 96 mm size)
Dimensions 96 mm x 96 mm x 115 mm
Interface/Bus RS – 485, Modbus RTU
Compliance CE, RoHS (assumed based on similar products)
Supported Protocols Modbus RTU

Description

The Watlow ANAFAZE CLS204 functions as a high – precision temperature controller. It interfaces with a variety of input sensors, including thermocouples and RTDs, to accurately measure the temperature of the process. Once the temperature is sensed, the controller uses its advanced PID (Proportional – Integral – Derivative) control algorithm to calculate the appropriate output. This output can be in the form of relay, solid – state relay (SSR), or solid – state signals, which are then used to adjust the heating or cooling elements in the system.

CLS204

CLS204

In an industrial automation stack, the Watlow ANAFAZE CLS204 sits at the intersection of the sensor layer and the control system. It can communicate with other devices in the system via interfaces like RS – 485 and Modbus RTU. This allows for seamless integration with distributed control systems (DCS), programmable logic controllers (PLCs), or even a simple computer – based monitoring system. With built – in diagnostic capabilities, the controller can detect issues such as sensor failures, short circuits, or open circuits, and report them to the operator or the control system, minimizing downtime and troubleshooting efforts.

CLS204

CLS204

Technical specifications:
Model Number CLS204 
Brand Watlow
Type Temperature Controller
Input Voltage 100 – 240 VAC, 50/60Hz
Operating Temp Range – 20 °C to + 70 °C
Mounting Style Panel Mount (compact 96 x 96 mm size)
Dimensions 96 mm x 96 mm x 115 mm
Interface/Bus RS – 485, Modbus RTU
Compliance CE, RoHS (assumed based on similar products)
Supported Protocols Modbus RTU

 

 

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CLS204

CLS204

Main features and advantages:

Opting for the Watlow ANAFAZE CLS204  brings a host of real – world benefits. Engineered for long – term performance, it can withstand the rigors of harsh industrial environments. Its high – quality construction ensures that it operates reliably for years, reducing the need for frequent replacements and associated downtime. The controller’s advanced PID control algorithm ensures consistent temperature regulation. With an accuracy of ± 0.25% of reading + 1 °C, it minimizes temperature fluctuations, which is crucial for processes that require precise thermal conditions, such as semiconductor manufacturing or pharmaceutical production.
In terms of maintenance efficiency, the Watlow ANAFAZE CLS204  is designed with user – friendly features. The backlit LCD display makes it easy to monitor temperature and configure settings, even in low – light conditions. Built – in diagnostic functions help technicians quickly identify and resolve issues, reducing maintenance time and costs. Its seamless integration with existing control systems means less engineering overhead during installation and setup, allowing teams to focus on optimizing production rather than grappling with complex system integrations.
CLS204

CLS204

Application areas:

The Watlow ANAFAZE CLS204 has a wide range of applications across different industries. In power plants, it can be used to control the temperature of transformers and generators, ensuring optimal performance and preventing overheating. In the food and beverage industry, it plays a vital role in processes like baking, brewing, and pasteurization, where maintaining the right temperature is essential for product quality and safety. In chemical plants, it helps regulate the temperature of reactors, ensuring that chemical reactions occur under the correct thermal conditions. In all these applications, the Watlow ANAFAZE CLS204 ensures critical system uptime, protecting against costly disruptions due to temperature – related issues.

CLS204

CLS204

 

Related products:

Watlow ANAFAZE CLS202 – A more basic version with fewer input and output options, suitable for less complex applications.
Watlow ANAFAZE CLS208 – A model with a higher channel density, designed for systems that require control over multiple temperature zones.
Watlow ANAFAZE CLS104 – An older – generation unit with limited communication capabilities but still suitable for basic temperature control tasks.
Watlow ANAFAZE CLS204 – H – A high – temperature variant, capable of handling even more extreme thermal environments.
Watlow ANAFAZE CLS204 – E – An enhanced version with additional diagnostic features for more in – depth system monitoring.
Watlow ANAFAZE CLS204 – W – A weatherproof enclosure option, ideal for outdoor installations or environments with high humidity.
Watlow ANAFAZE CLS204 – P – A version with a built – in power backup feature, ensuring continuous operation during power outages.
Installation and maintenance:
Before installing the Watlow ANAFAZE CLS204, it’s important to verify a few key things. First, check the power supply compatibility. Ensure that the available 100 – 240 VAC power source is stable and within the specified tolerance. Next, confirm that the input sensors (thermocouples or RTDs) are of the correct type and are properly calibrated. Also, make sure that the communication interfaces (RS – 485, Modbus RTU) are configured correctly in both the controller and the connected devices. Physically, ensure that there is enough space in the control panel for the 96 x 96 mm panel – mount controller, with proper ventilation to prevent overheating.
For ongoing maintenance, regularly check the backlit LCD display for any error messages or abnormal temperature readings. Periodically inspect the connection points of the sensors and output cables for signs of corrosion or loose connections. Every six months, it’s a good idea to perform a calibration check of the controller using a known – accurate temperature source. This will help maintain the high – precision performance of the Watlow ANAFAZECLS204 over its lifespan.

 

 

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