
14.1a ME Gas sampling and gas conditioning technology 23
On connector X2.1 pin 3+8, 3+9, 3+10, 3+11 respectively, an indicator can be connected that flow
alarm messages are present. Since this is a warning message, the yellow LED on the front of the TCU
lights up.
On X2.1 connector pin 3+4, 3+5, 3+6, 3+7 respectively, an indicator can be connected that liquid
alarm messages are present. Since this is an alarm message, the red LED on the front of the TCU
lights up.
On connector X2.1 pin 1+2, an indicator of cooler temperature can be connected (standard 4-20mA.
0-20mA if ordered).
Route the indicator lines separately from the power supply lines.
Figure 9 Connection examples for alarm outputs
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