TAD131-BS TAD131-BS 1 Analog Input, +/-10 Vdc, 12 bit resolution, Fits inside T1-40. $239.00 | GCF611**S GCF611**S (GCF611--S) Communications Module, 1 ch, RS232C, ASCII. $1,160.00 | EX10-MAO32 (EX10*MAO32) Analog Output, 2 Ch, -10 to + 10 Vdc, 12 Bit. $530.00 |