- Phone:513.772.0060
- Address:7205 Edington Dr. Cincinnati, OH 45249
The AC20 controller is designed to control both endothermic generators and atmosphere furnaces. To accomplish both, the AC20 can display and control % Carbon, Dew Point or probe millivolts. In addition, Probe resistance, probe temperature, COF, H2F and probe recovery can be displayed.


| Features: | 
|---|
| Simple to configure, simple to operate | 
| Designed specifically for atmosphere control | 
| Functions well on batch or continuous furnaces and endothermic generators | 
| 1/4 DIN, % Carbon, Dew Point, O2 Millivolts | 
| Internal timers for burnout / probe maintenance | 
| On-board probe diagnostics | 
| Events: 8 IN – 10 OUT | 
| RS485, Modbus Communication protocol | 
| Ships pre-configured per your specifications | 
| Programmable when interfaced with SSi’s eSPP | 
| Power Supply | 100V to 240V AC 50/60Hz or 24V AC/DC | 
| Carbon Range | 0.00 to 2.00% | 
| Dew Point Range | -100 to 100 °F (-75 to 40 °C) | 
| Oxygen Range | 0.0 to 25.0% | 
| Resolution | 0.1 | 
| Product Line | User Manual | Datasheet | Wiring | Other | 
|---|---|---|---|---|
| 9120 Dual Loop Controller | PDF | Online | Model 9120 Datasheet | ||
| 9205 Atmosphere Controller | PDF | Online | 9205 Datasheet | 9205 Basic Wiring Diagram | |
| Model 9205 – 5.7″ Screen, MicroLogix PLC with Compact HMI | ||||
| Model 9205 – 12.1″ Screen, MicroLogix PLC with Compact HMI | ||||
| 9210 Nitriding Control System | PDF | Online | Nitriding/FNC Brochure | ||
| 9215 Nitriding Control System | PDF | Online | Nitriding/FNC Brochure | ||
| AC20 Single Loop Controller | Installation/Reference Manual PDF | Modbus PDF | AC20 Datasheet | AC20 (P/N 31069) Quick Reference Guide | |
| General Info | 9xxx Screen Cutouts | 9000 Series Maintenance – Product Technical Brief | ||
| Compact HMI – Product Technical Brief | ||||
| Furnace Utilization Reporting System (FURS) – Product Technical Brief | ||||
| Configurator – Product Technical Brief | ||||
| Process Automation – Industrial Heating, January 2008 | ||||
| Touchscreen Cleaning Procedure | ||||