Metrohm 875 KF Gas Analyzer - Manual (Page 16)

2.3 I/O controller
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8 ￭￭￭￭￭￭￭￭
C Sample D Waste gas
E To the coulometer cell
1 Drying cartridge (nitrogen) 2 Stopcock 1 (deaeration)
3 Valve 1 (nitrogen) 4 Check valve
5 Mass flow controller 6 Stopcock 2 (rinsing with solvent)
7 Valve 2 (sample) 8 Valve 4 (measurement)
9 Sample input filter 10 Precision control valve (vaporizer regu-
lator)
11 Vaporizer 12 Valve 3 (waste gas)
13 Oil filter, heated
2.3 I/O controller
Digital inputs
Table 1 Digital inputs
Terminal Function Port Port description
KL1104-1-1 E1 DigIn_1_1_1 QUICKSTOP
KL1104-1-2 +24 V
KL1104-1-3 GND
KL1104-1-4 E3 DigIn_1_1_3
KL1104-1-5 E2 DigIn_1_1_2
KL1104-1-6 +24 V
KL1104-1-7 GND
KL1104-1-8 E4 DigIn_1_1_4
Digital outputs and relay outputs
Table 2 Digital outputs and relay outputs
Terminal Function Port Port description
KL2424-2-1 A1 DigOut_1_2_1 Valve1 - N2
KL2424-2-2 GND
KL2424-2-3 GND
KL2424-2-4 A3 DigOut_1_2_3 Valve 3 - waste gas