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Specifies ambient/storage temperature, humidity, pollution degree, and height limits.
Details supply voltage, power consumption, wiring, data retention, EMC, and safety requirements.
Describes contact or logic inputs for UP and DOWN functions.
Details 0-10V and 0-20mA output specifications including accuracy and rise time.
Covers housing type, dimensions, weight, material, and cleaning instructions.
Provides the required panel cutout dimensions for flush mounting.
Emphasizes qualified staff, electrical safety, and environmental protection during installation.
Explains setting up multiple potentiometers in master-slave configurations for synchronized control.
Differentiates between the operational states of running and programming modes.
Details the procedure for adjusting parameters using the keypad and external buttons.
Visual representations of output behavior based on parameter settings.
Lists parameters, their addresses, data types, and read/write permissions.
Details memory maps for coils and discrete inputs with parameter names.
Explains Modbus error types, codes, meanings, and provides message examples.
Specifies ambient/storage temperature, humidity, pollution degree, and height limits.
Details supply voltage, power consumption, wiring, data retention, EMC, and safety requirements.
Describes contact or logic inputs for UP and DOWN functions.
Details 0-10V and 0-20mA output specifications including accuracy and rise time.
Covers housing type, dimensions, weight, material, and cleaning instructions.
Provides the required panel cutout dimensions for flush mounting.
Emphasizes qualified staff, electrical safety, and environmental protection during installation.
Explains setting up multiple potentiometers in master-slave configurations for synchronized control.
Differentiates between the operational states of running and programming modes.
Details the procedure for adjusting parameters using the keypad and external buttons.
Visual representations of output behavior based on parameter settings.
Lists parameters, their addresses, data types, and read/write permissions.
Details memory maps for coils and discrete inputs with parameter names.
Explains Modbus error types, codes, meanings, and provides message examples.
The ENDA EDP2041 Digital Potentiometer is a versatile and user-friendly device designed for precise control and adjustment in various industrial applications. This potentiometer offers a range of functions and features that make it an essential component for systems requiring accurate output control and communication capabilities.
The core function of the EDP2041 is to provide a digitally adjustable potentiometer output, allowing users to set and control values with high precision. It features a 4-digit display that shows the adjusted potentiometer value in "Running Mode" and can also display parameter names, values, or units in "Programming Mode." The device supports various output types, including 0-10V, 0-20mA, and 4-20mA, with adjustable minimum and maximum values. This flexibility allows it to integrate seamlessly into diverse control systems.
One of the key functionalities is its ability to operate in a synchronized manner with multiple potentiometers. Through the RS-485 Modbus protocol, the EDP2041 can act as a master potentiometer, controlling up to 127 slave potentiometers. In this setup, the output settings of slave potentiometers change proportionally to the master's settings, ensuring coordinated control across a network of devices. This feature is particularly useful in applications requiring distributed control or synchronized adjustments.
The device also incorporates "soft on" and "soft off" properties, which allow for gradual increases or decreases in output voltage or current. This smooth transition helps prevent sudden changes that could impact system stability or damage sensitive equipment. Users can configure the increasing and decreasing times for the output, providing fine-tuned control over the ramp-up and ramp-down processes.
Parameter access protection is a crucial security feature, offering three levels of protection for the device's settings. This ensures that only authorized personnel can modify critical parameters, preventing accidental or unauthorized changes that could compromise system operation.
The EDP2041 is designed for ease of use, featuring a front panel keypad for intuitive operation. The keypad includes increment and decrement keys, which are used for adjusting values in "Running Mode" and for parameter selection and value modification in "Programming Mode." A dedicated SET key facilitates entering and exiting different modes, as well as confirming parameter changes.
The digital display is a clear, 12.5 mm, 4-digit, 7-segment red LED display, ensuring excellent visibility of values and parameters. Users can adjust the display scale between -1999 and 9999, and the decimal point can be set between 1 and 3 digits, providing flexibility for various measurement ranges and precision requirements.
Preset value adjustment is a significant feature, allowing users to quickly set a desired output value. In "Running Mode," pressing a key enters the preset setup mode, where the preset value can be adjusted using the increment and decrement keys. This can also be done via external buttons, which are disabled in "Programming Mode" to maintain control integrity.
The device's communication capabilities via RS-485 Modbus protocol enable remote control and monitoring. This is particularly beneficial for systems where the potentiometer needs to be integrated into a larger control network or managed from a central location. The baud rate for RS-485 connection is adjustable, supporting various communication speeds.
The EDP2041 is suitable for flush-panel mounting according to DIN 43 700, making it easy to integrate into control panels. The compact dimensions and robust enclosure material, made of self-extinguishing plastics, ensure durability and safety in industrial environments.
While the document does not explicitly detail maintenance features, several aspects of the EDP2041's design contribute to its reliability and ease of upkeep. The EEPROM memory ensures data retention for a minimum of 10 years, meaning that configured parameters are preserved even in the event of power loss, reducing the need for frequent re-configuration.
The device's compliance with European Norms, including CE marking and adherence to EMC and safety requirements (EN 61326-1: 2013 and EN 61010-1: 2012), indicates a high standard of quality and reliability. These certifications suggest that the device is built to withstand typical industrial conditions and operate safely.
Installation instructions emphasize the importance of proper electrical connections by qualified staff and protection against humidity, vibrations, and severe soiling. These guidelines, if followed, contribute significantly to the device's longevity and stable operation, minimizing potential issues that would require maintenance. The warning to avoid corrosive, volatile, and flammable gases or liquids, and not to use abrasive cleaning agents, highlights the need for appropriate environmental conditions and cleaning practices to preserve the device's integrity.
In case of errors, the Modbus protocol includes error messages for communication and operating errors. These messages, such as "ILLEGAL FUNCTION," "ILLEGAL DATA ADDRESS," and "ILLEGAL DATA VALUE," help in diagnosing issues within the Modbus network, facilitating quicker troubleshooting and resolution.
Overall, the ENDA EDP2041 Digital Potentiometer is designed for reliable, precise, and secure operation, with features that support both standalone and networked control applications, while also considering practical aspects of installation and long-term use.
General| Frequency | 50/60Hz |
|---|---|
| Operating Temperature | 0 to 50°C |
| Input Type | Thermocouple, Resistance Thermometer |
| Mounting | Panel Mount |
| Supply Voltage | 230V AC |
| Display | LED |
| Thermocouple Input | J, K, T, R, S, B, N |
| Resistance Thermometer Input | Pt100 |
| Control Output | Relay or SSR driver |
| Relay Output | 250V AC |
| Protection Class | IP65 |
| Measurement Range | Depends on sensor type |
| Resolution | 1 °C |
| Operating Humidity | Max. 90% RH (non-condensing) |
| Power Supply | 230V AC |
