Power Supply; Terminal Assignment; Supply Voltage - Endress+Hauser Cerabar PMC11 Technical Information

Terminal assignment

Supply voltage

Current consumption and
alarm signal
18

Power supply

WARNING
L
Limitation of electrical safety due to incorrect connection!
‣
In accordance with IEC/EN61010 a separate circuit breaker must be provided for the device .
‣
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.
‣
All explosion protection data are given in separate documentation which is available upon
request. The Ex documentation is supplied as standard with all devices approved for use in
explosion hazardous areas.
‣
Protective circuits against reverse polarity, HF influences and overvoltage peaks are integrated.
‣
The device must be operated with a 500 mA fine-wire fuse (slow-blow).
4 to 20 mA output
Device M12 plug
PMC11
0.5A
PMP11 L+
2 1
PMC21
PMP21
3
L–
0 to 10 V output
Device M12 plug
PMC11
0.5A
PMP11
2 1
3
Electronic version
4 to 20 mA output
0 to 10 V output
Number of wires
2
3
1) For MAX alarm (factory setting)
Cerabar PMC11, PMC21, PMP11, PMP21
Valve plug
0.5A
L+
1
3
4
2
L–
A0023487
A0022823
Valve plug
1
L+
3
2
L–
A0017576
Device
PMC11
PMP11
PMC21
PMP21
PMC11
PMP11
Device Normal operation
PMC11 ≤ 26 mA
PMP11
PMC21
PMP21
PMC11 < 12 mA
PMP11
Cable
0.5A
1
L+
2
L–
3
(a)
1 brown = L+
2 blue = L-
3 green/yellow = ground connection
(a) reference air hose
4
L–
L+
0.5A
A0022822
Supply voltage
10 to 30 V DC
12 to 30 V DC
Alarm signal
> 21 mA
11 V
Endress+Hauser
A0023783
Cable
-
1)