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Installation and operating manual
35 METPOINT
®
SF53
6.5. Pulse / alarm
Setup
→
Pulse/Alarm
The galvanically isolated pulse output can be used as a pulse or as an alarm output.
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
).
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]
[m³/min]
[l/min]
0.1 ltr / pulse
18
0.3
300
1 ltr / pulse
180
3
3000
0.1m³ / pulse
18000
300
300000
1 m³ / pulse
180000
3000
3000000
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.