About the Model 9120:

 

The SSi 9120 is a single or dual loop blind controller/signal conditioning/data concentrating device that can be used in carbon, oxygen, millivolt, SSi redundant probe, simple nitriding and universal dual loop applications.  The 9120 is supplied with Ethernet communications capability and has a limited web server for thin client control and supports ModbusTCP host communications.  Serial I/O includes two (2) RS-232 ports and three (3) RS-485 ports.  As a data concentrator, the 9120 is capable of communication to SSi's analog input modules as well as up to 25 Client serial instruments and supports host communications via Modbus over RS232 or RS485 or ModbusTCP communications.  The 9120 is designed to operate between 32˚F - 132˚F.

 

The SSi 9120 Controller is a single or two loop device that can be configured to be used for control of:

% Carbon

Dew Point

Oxygen

Millivolt

Redundant Probe

Simple Nitrider

Dual Loop

Temperature Mode