9220 Vacuum Furnace Controller

The 9220 is a robust and easy-to-use vacuum furnace recipe controller designed specifically for heat-treaters. The controller has a large full-color touch screen interface which displays temperature, vacuum data, load thermocouples, current recipe status and remaining time. The 9220 is also a paperless chart recorder, enabling real-time and historical analysis of all process variables.


Programmable Controller; 300 24-Step Recipes
Expandable Load T/C Support
Direct Connection to Vacuum Gauges
Interfaces with most Vacuum Controllers
"Outgas" Hold Alarm
Load T/C Alarms
Recipe Driven
Guarantee Soak on Load and Control T/Cs
Multiple Auto-Switching PIDs
Video Recorder
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
"0.00" setpoint deactivates control output
Band limits for each process variable
Remote setpoint for third input

Control LoopsTemperature and Vacuum (three loops of control)
Analog InputsThree
Analog OutputsTwo (0-20 mA or 4-20mA)
Digital InputsFour
Digital OutputsEight relay outputs (Expandable to 16 or 32)
Communication PortsOne (1) - RS232
Three (3) - RS485
Display 3.5", 5.7", 12.1", 15" and 17" Color touch screen
Video recorder with "NOTES" capability
Removable storage media (948 months of data)
PC interface with SuperDATA
Programmable 300 24-Step Recipes
Vacuum specific "opcodes"
EventsUser Defined
Web Browser Enabled Remote PC view with standard Web Browser
Mounting DIN rail or sub-panel mounting
Power 24 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


Super Systems Inc