Cerabar M
18 Endress+Hauser
Power supply
Electrical connection Note!
• When using the measuring device in hazardous areas, installation must comply with the corresponding
national standards and regulations and the Safety Instructions or Installation or Control Drawings.
→ See also Page 82, "Safety conventions and icons" and "Installation/Control Drawings" sections.
• Protective circuits against reverse polarity, HF influences and overvoltage peaks are integrated.
• The shield or grounding (if present) must always be connected to the internal ground terminal in the
housing.
P01-PMx4xxxx-04-xx-xx-xx-000
Analog electronic insert
➀ Devices with an ATEX II 1/3 D certificate
(non-Ex-powered) must be protected with a
50 mA fuse (slow-blow).
➁ 4 to 20 mA test signal: you can take
a 4 to 20 mA test signal via the terminal lugs
without interrupting the measurement.
P01-PMx4xxxx-04-xx-xx-xx-001
4 to 20 mA HART electronic insert
➀ 4 to 20 mA test signal: you can take a
4 to 20 mA test signal via the terminal lugs
without interrupting the measurement.
P01-PMx4xxxx-04-xx-xx-xx-002
PROFIBUS PA electronic insert
1
2
3
Display
Zero
Span
fine
coarse
+
–
➀
➁
+
–
12
+
–
3
Zero
Damping
on off
Span
Display
➀
+–
on
off
Zero Span
Display
1
23
address
+
–