Metrohm 875 KF Gas Analyzer - Manual (Page 17)

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2 Overview of the instrument
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Terminal Function Port Port description
KL2424-2-5 A2 DigOut_1_2_2 Valve 2 - sample
KL2424-2-6 GND
KL2424-2-7 GND
KL2424-2-8 A4 DigOut_1_2_4 Valve 4 - measure-
ment
Protective ground
conductor terminal, 4-
pin Earth Terminals 1 - 4 Earth for each of the
4 valves
KL2424-3-1 A1 DigOut_1_3_1 -
KL2424-3-2 GND
KL2424-3-3 GND
KL2424-3-4 A3 DigOut_1_3_3 MFC
KL2424-3-5 A2 DigOut_1_3_2 Heater
KL2424-3-6 GND
KL2424-3-7 GND
KL2424-3-8 A4 DigOut_1_3_4 -
Analog inputs
Table 3 Analog inputs
Terminal Function Port Port description
KL3204-4-1 +I1 AnIn_1_4_1 Oven temperature
KL2424-4-2
KL2424-4-3 +I3 AnIn_1_4_3 -
KL2424-4-4 GND
KL2424-4-5 +I2 AnIn_1_4_2 -
KL2424-4-6 GND
KL2424-4-7 +I4 AnIn_1_4_4 -
KL2424-1-8 GND