Metrohm 875 KF Gas Analyzer - Manual (Page 20)

3.4 Connecting control lines
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3.4 Connecting control lines
WARNING
Always disconnect the instrument from the supply voltage.
Only shielded cables may be used for digital outputs, digital inputs, analog
outputs and analog inputs.
The cable shielding must be connected to the grounding terminal.
The lines are connected directly to the I/O controller (see Chapter 2.3,
page 8).
In order to open the contact springs, insert a 2.5 x 0.4 mm screw driver
vertically into the rectangular actuation opening and press towards the
LED.
A prefabricated cable has to be connected to the computer's network
card directly if the 875 KF Gas Analyzer is being integrated into a LAN.
1 2 3
Figure 3 I/O controller
1 Analog output terminals 2 Digital output terminals
3 Digital input terminals