Electrical connection
Nanomass Gas Density
24
Hauser
7.3
Special connection instructions
7.3.1
Connection examples
Current output 4-20 mA
A0026824
Fig. 8:
Connection example for 4-20 mA current output
1
Automation system with current input (e.g. PLC)
2
Cable shield, comply with connecting cable requirements (
3
Power supply 12-24 V
4
Analog display unit: observe maximum load (
5
Measuring device, current output 1 (pin 1 and 2, protected against reverse polarity)
6
Measuring device, current output 2 (pin 3 and 4, protected against reverse polarity)
7.4
Guaranteeing the degree of protection
The measuring device meets all the requirements of IP65/67 protection.
To guarantee IP65/67 protection, carry out the following steps after the electrical
connection:
For USB port:
1. Check whether the seals of protection caps are clean and inserted correctly.
2. Fit the protection caps and tighten securely.
4...20 mA
4
2
1
+
5
4...20 mA
+
6
4
2
+
+
_
3
+
_
3
_
+_
_
_
Содержание Nanomass Gas Density
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