9215 FNC & Nitriding

The powerful 9215 multi-loop controller provides comprehensive, intuitive nitriding and ferritic nitrocarburizing gas atmosphere furnace PID control and programming. It includes precision control loops with independent PID control for Temperature, Kn/%DA, and Kc. With cHMI, the 9215 becomes a comprehensive furnace HMI for operators and maintenance personnel.


16 PIDs via program opcode
3 PID sets / loop with defined temperature switch point
T/C comparison with offset available for T/C checks
Multiple alarms assigned to individual relays or a single relay
Band limits for each process variable
Guaranteed soak timer based on auxiliary load thermocouples
Remote setpoint for third input
300 24-Step Recipes


Flow control (N2, NH3, DA, CO2, Endothermic, H2)
Atmosphere measurement (Oxygen, Hydrogen)
Automated Back Pressure Control
Control of KN and % DA
Automatic Single and Two Stage Process
Precise Control of Compound Layer
Automated N2 Purge
Pre/Post Oxidation
Fully programmable
Sophisticated Programming (ramp/soak/guarantee on load temp.)



Control LoopsThree Loop PID controller
Temperature, Atmosphere (Kn, %DA)
Analog InputsThree
Analog OutputsExpandable
Digital InputsFour
Digital OutputsEight relay outputs (Expandable to 16 or 32)
Communication PortsTwo (2) - RS232
Three (3) - RS485
Allen Bradley DF1
Display3.5", 5.7" and 12.1" Color touch screen
Video recorder with "NOTES" capability
Removable storage media (948 months of data)
PC interface with SuperDATA
Programmable 300 24-Step Recipes
Web Browser EnabledRemote PC view with standard Web Browser
MountingDIN rail or sub-panel mounting
Power24 VDC

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    (Q1) I have an Internal Comms Error on my screen.  What do I do?

    This message is generated when the HMI does not have communications to the controller inside the panel.  Possible reasons for this include:


    Loss of 24VDC power to terminals 1 (-) and 2 (+) on the controller.


    A bad communication cable between the HMI and the controller.

    (Check by ringing out the cable end to end, or checking for continuity.)


    Bad connection between the HMI and the controller.

    (Check both ends to make sure they are securely connected and not loose or damaged.)


    Cable connected to wrong port on back of HMI.

    (COM1=232 and COM3=485)

    (Q2) What is the difference between SOAK and G_SOAK opcodes?

    SOAK is simply a specified amount of time.  There are no conditions required for the timer to count down.


    G_SOAK is also a soak timer, but it will only run when pre-set conditions are met and maintained.  If conditions are not met, the timer is placed in hold status.

    (Q4) How do I slave an instrument to my controller?

    Navigate to “Slave Instrument Setup” (This may involve logging in).


    Select an instrument you want to configure and tap “Edit.”  Note that the list of available instruments is color coded:

    White=user-selected instrument


    Configure the instrument, address, and port.  Note the following:

    All devices on the same slave port must utilize the same protocol.
    An address of zero (0) will disable the instrument.
    Controllers that provide dual functions must have the same address assigned for both.
    If your instrument is not shown in the list, use User Instruments 1-16 along with the Generic Instrument Setup menu (see manual for additional details).
    Slave 1 = terminals 5 (-) and 6 (+)
    Slave 2 = terminals 22 (+) and 23 (-)
    RS-232 = 9-pin port on controller’s face