Multiplexer Units D2011M can be installed in the field, close to input sensors, for data aquisition from Hazardous Area. They are connected to D2010M Units to expand the acquiring capabilities. 
The Units are primarily intended for Hazardous Area acquisition of low level 
signals from Thermocouples, RTDs, mV or mA sources. 
D2011M scans all enabled channels using state of the art solid state isolated 
relays, and stores all data in a memory buffer, where they can be rapidly 
accessed by the Modbus Gateway Unit D2050M. 
Expander Units D2011M are connected to D2010M via 20 pole flat cable (up to 30 cm long). 
All parameters are software configurable by serial commands 
via D2050M Gateway Unit.