If in difficulty by becoming “lost” in program mode, press ▲ and ▼ together for 3 seconds to return to display mode, check the Menu Navigation summary above and try again.

M e n u N a v i g a t i o n

6

MENU NAVIGATION

The facilities of the controller are selected from the multi-level menu using the front panel mounted buttons.

Each level within the multi-level menu offers different functions, see FUNCTIONS MENU page A3. Each function has a range of user selections or options, see FUNCTION LIST pages 16–22

In operating mode, the upper (green) display reads process temperature (PV) and the lower (orange) display reads setpoint temperature (SP).

When in program mode, settings of each function, shown in the upper display, can be made by selecting an appropriate option from the lower display.

USING PROGRAM MODE

Note: The controller will auto-exit program mode after 60 seconds of inactivity.

To enter program mode from normal operating mode

Press and hold both ▲ and ▼ buttons for at least 3 seconds.

Release the buttons together and the controller will

now display the function and option (setting of that TUNE function), e.g.

OFF

To view function on the same level and display current option

Press ▲ or ▼ button once to view the next function.

Press and hold ▲ or ▼ buttons to scroll through functions. The current option or function value is shown in the lower display.

To change an option value or setting

Press and hold the ✱ button, then press ▲ to increase or ▼ to decrease the value or select the next option.

Note: Check the new option value before moving to another function or exiting program mode.

To change levels

Press and hold ▼ to scroll through the functions until LEUL is displayed. Release ▼ to display current level. Press and hold the ✱ button, then press ▲ to increase or ▼ to decrease the level. Release buttons when required level is obtained.

To exit program mode

Press and hold both ▲ and ▼ buttons for at least 3 seconds.

Note: Control commences with any new instructions now entered in the memory.

REMINDER OF INSTRUMENT ADJUSTMENTS

Press ▲ ▼ together for 3 seconds for program entry or exit. Press ▲ or ▼ to scroll through functions.

Press ✱ ▲ together or ✱ ▼ together to change levels or alter options.

Note:

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Omega Engineering CN9400 Menu Navigation, N u N a v i g a t i o n, Using Program Mode, Reminder of Instrument Adjustments
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CN9400 specifications

The Omega Engineering CN9400 is a cutting-edge device designed for precision temperature control and monitoring in industrial and research applications. This versatile instrument is renowned for its high accuracy, stability, and user-friendly interface, making it an essential tool for engineers and technicians alike.

One of the standout features of the CN9400 is its advanced PID control algorithm. This method ensures that temperature fluctuations are minimized, allowing for precise temperature management in processes that require strict adherence to specific thermal conditions. The PID control system continuously calculates the error between a desired setpoint and a measured process variable, adjusting the control output to achieve optimal performance.

The CN9400 is equipped with a large, easy-to-read LCD display that provides real-time data on temperature readings and system status. Users can view both set point and actual temperature simultaneously, enabling quick and informed decisions during critical operations. Additionally, the display features customizable alerts and notifications that inform operators of any deviations or potential issues, ensuring a proactive approach to process control.

In terms of connectivity, the CN9400 offers a variety of options, including RS-232 and RS-485 communication protocols, enabling seamless integration into existing control systems. This connectivity ensures that users can monitor and control the device remotely, enhancing operational efficiency and flexibility.

Another noteworthy characteristic of the CN9400 is its robust construction. Designed for durability, it can withstand harsh industrial environments, including extreme temperatures and vibrations. The device is also compatible with various types of temperature sensors, such as thermocouples and RTDs, providing users with the flexibility to select the most appropriate sensor type for their specific application.

In addition to its technical capabilities, the Omega Engineering CN9400 is designed with user convenience in mind. The intuitive menu-driven interface allows for easy programming and operation. Users can quickly navigate through settings and parameters without extensive training, minimizing downtime and enhancing productivity.

Overall, the Omega Engineering CN9400 is a powerful and reliable temperature controller that combines advanced technology with user-friendly features. Its precision, durability, and connectivity make it an ideal choice for a wide range of industrial and research applications, ensuring accurate temperature management in even the most demanding environments.
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