Multi-Loop Controller with Multifunction Display Model C7G

Brand: Azbil North America, Inc

For use with semiconductor-manufacturing and food-processing equipment, among others, we have developed new controllers, model C7G/C7S, that maintains a consistent temperature within a loop.

In spite of its compact frame, the C7G/C7S control as many as four systems simultaneously.

For superior usability, the display unit is separable from the main unit and features a touch panel color LCD for ease of use and high visibility.

In addition, we have developed a health index function that uses sensing data and control signal (M.V.) amplitude to quantify changes in control loop behavior.

This provides advance warning of equipment problems, allowing timely preventative maintenance.
  • Excellent usability
    • Excellent usability and readability
      • 3.5-inch full dot matrix LCD offers crystal-clear display of values and graphs during control operation.
      • Touch panel provides user-friendly operability. If lost, just press the home button.
    • Withstands a variety of environments
      • Display unit features an IP67 protection rating. Resistance to dust and water drops allows use in a range of environments.
      • Resistive touch-panel is easy to operate in cleanrooms, etc., where gloves are worn.
    • Selectable home screen
      • One controller handles up to 4 loops. The C7G breaks the single-loop controller mold, allowing user selection of the required number of loops.
      • The loops that are displayed on the screen can also be changed through home screen settings. 
    • Clarity at a glance-set for full name display of C7G alarms and settings
      • Parameter settings and controller alarms can be displayed by name rather than by code number, reducing the need to refer to the manual during setup or alarm handling.
      • Both English and Japanese are available, and can be seamlessly switched during operation. 
    • Easily identify the cause of alarms
      • The hierarchical design of the alarm screen allows easy identification of the location and cause of generated alarms. 
    • Graphs are helpful in trial-run adjustments
      • Control status can be conveniently checked on a graph while making trial-run adjustments.
    • Separable display allows for flexible positioning
      • The display unit and main unit can be installed separately for installation flexibility. 
    • Simplified panel cutout mounting holes
      • Panel mounting requires only round holes. The tools previously required to make panel cutouts are not needed, allowing much simpler mounting. 
    • Conventional panel cutouts also OK
      • As with conventional controllers, integrated mounting of the display unit attached to the main unit is also fine.
    • Additional display unit block
      • Unlike conventional controllers, a second display can be added. 
    • Insert wire
      • Spring-type terminals simplify wiring and improve reliability. They can be connected by simply inserting the bootlace ferrules. The spring clamp method achieves reliable electric contacts.
      • Furthermore, since there are no screws, there is no need for retorquing. 
    • Configuration without a power supply
      • Parameters can be loaded and stored with the Smart Loader Package when the main unit is connected to a PC with a MicroUSB cable. 
  • Value is maximized by seamless coordination with other equipment
    • Comes standard with two communication ports:
      • Both Ethernet and RS-485 support is a standard feature. 
      • With high-speed (Ethernet) communication and serial (RS-485) communication, a high degree of flexibility is ensured for equipment-internal instrumentation networks and controller-controller instrumentation networks.
    • PLC link function
      • The PLC link function utilizes Ethernet to exchange data with a Mitsubishi Electric PLC (MC Protocol / SLMP) or communication converter(gateway)-less/programming-less controller. 
  • Diagnostic and management information for problem-solving
    • Compact data storage (CDS)
      • Compact data storage is Azbil's new technology for effective data recording. 
      • It can record necessary data at fixed intervals and also record just the required pieces of data, thus allowing controllers to achieve data processing and management at FA control layer.
      • Using the data accumulated with CDS, process failures can be predicted and detected.
      • CDS’s function
        • Recording cycle: 10 ms, 50 ms, 100 ms, 1 s, 10 s, 1 min, 10 min
        • Recording data: PV, SP, MV, CT (Effective Current Value), VT (Effective Voltage Value), Resistance etc.
        • Data memory: MicroSD
        • Data format: CSV
      • Select a model with the clock function if recorded data must be backed up at set times using battery power even when the unit is off.
    • Process Diagnosis (Health Index Functions)
      • Control loop characteristics are quantified using the process data used for control. Even if the process value is miniscule, any change in the status of the equipment can be quickly detected.
      • Loop soundness is monitored to detect status changes. 
      • Quantified data is provided for edge computing that in turn contributes to promotion of IoT services.

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