ABB Connection Unit Model No :- DSTA 145 Part no :- 57120001-HP/2 Number of chennals :- 31 Input Impedance :- >100M??? Measurement Range :- -100 - +320 deg C, -200 - +640Deg C Attenuation of 20,30,50 or 60 Hz :- >100dB Resolution :- 12/13 bits +sign Max inaccuracy :- 0.15% Max temperature drift, basic board :- 0.1% / 10 deg C Conversion time(50/60Hz) :- <65/55ms Current Consumption 24V :- 100mA Current Consumption5V :- 350mA Process connection terminals :- 64(31*2)+2, 16 returns leads to ground Power Distribution Connection :- 16