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MK LIT (E5) 01/2021 page 76/172
13.1.1 Connections and forwarding of notifications and alarms to customer systems
The following signals are available to the customer for further processing:
Terminal
Signal
1-2 Alarm threshold 1 O
2
sensor (binary output)
3-4 bridged
Analog signal for O
2
sensor (4 - 20 mA) 0 vol.-% - 35 vol.-% (detection limit 2 vol.-
%)
5-6 Alarm threshold 1 H
2
sensor (binary output)
7-8 bridged Analog signal for H
2
sensor (4 - 20 mA) 0 ppm -1000 ppm (detection limit 5 ppm)
9-10 Alarm threshold 1 CO sensor (binary output)
11-12 bridged Analog signal for CO sensor (4 - 20 mA) 0 ppm - 300 ppm (detection limit 3 ppm)
13-14 Fault notification (binary output), e.g., wire break, sensor defect, flow meter, etc.
15-16 Indicator light green (binary output): Normal operation
17-18 Indicator light yellow (binary output): Alarm threshold 1 triggered, or fault notifica-
tion
19-20 Indicator light red (binary output): Alarm threshold 2 triggered, fire suppression de-
vice activated
21-22 Inertization solenoid valve (binary input): Connection of customer-supplied control
system for flushing/inertization control
Figure 23: Terminal assignment
The bridges of the terminals may only be removed if the respective analog signal shall be
used for transmission.
13 14 15 16 17 18 19 20 21 22 23 24
1 2 3 4 5 6 7 8 9 10 11 12
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