8 channel analog input module and 4 channel analog output module. Inputs: 14 bit resolution (13 bit plus sign bit), range: -20 to 20mA, 0-20mA, 4-20mA. Outputs: 12 bit resolution, range:4-20mA, sinking or sourcing compatible. (Use with T1K-08B or T1K-08B-1 terminal base.)