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6.5. Pulse / alarm
Setup → Pulse/Alarm
The galvanically isolated pulse output can be used as a pulse or as an alarm output.
6.5.1. Pulse output
The maximum permissible number of pulses per second is 50. Pulse output is delayed by 1 second.
Pulse factor
[m³/h]
0.1 ltr / pulse
1 ltr / pulse
180
0.1m³ / pulse
18000
1 m³ / pulse
180000
Table 1: Maximum flow volumes for pulse output
NOTICE
Important information
Pulse factors that are unsuitable to represent the measuring range limit value are not permissible. Such
entries are discarded and an error message is displayed.
35
The following units can be selected for the alarm output:
•
kg/min, cfm, l/s, m³/h, m/s, °F, °C, kg/s
Press "Value" to enter the alarm value. Press "Hyst". to enter the desired
hysteresis.
Hi-Lim: upper limit
Lo-Lim: lower limit
The following units can be selected for pulse output:
•
kg, cd, l, m³
Select "Value" to enter the pulse factor (0.1, 1, 10, 100). Select "Polarity" to enter
the switching state (plus = 0 → 1, minus = 1 → 0).
[m³/min]
18
0.3
3
300
3000
[l/min]
300
3000
300000
3000000
Installation and operating manual
METPOINT
SF53
®
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