Cerabar T
16 Endress+Hauser
Switch output: Switch point and hysteresis adjustment
P01-PMP13xxx-05-xx-xx-en-001
Instructions for switch point and hysteresis (the percentage values refer to the URL)
U
a
Output voltage
p Acting pressure
P01-PMx13xxx-19-xx-xx-xx-002
1 Hysteresis adjustment 1.5 to 20 % of URL;
Factory setting 10 % of URL
2 Switch point adjustment 0 to 100 % of URL;
Factory setting 50 % of URL
3 LED color code for checking the switch status:
green = off; red = on
4 Connect voltmeter to test pins:
0 to 1 V corresponds to 0 to 100 % of URL
For the Cerabar T PMP131 and PMP135 with
switch output, both the switch point and hysteresis
can be adjusted.
This can also be carried out at atmospheric pressure
using the enclosed test cable and a voltmeter.
+
–
1
2
3
4
p
Switch point
0...100 %
OFF = green LED
Switch
off
U
out
on
off
Hysteresis
1.5...20 %
ON = red LED
Switch
on
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