Connecting The Measuring Unit - Endress+Hauser Cerabar M PMC51 Operating Instructions Manual

Wiring
20
4.1.3 Devices with 7/8" plug
+ –
+
–
Fig. 16: Left: Electrical connection for devices with 7/8" plug
Right: View of the plug at the device
4.1.4 Devices with valve connector
+ –
+ –
Fig. 17: Left: electrical connection for devices with a valve connector
Right: view of the connector at the device
4.2

Connecting the measuring unit

4.2.1 Supply voltage
Electronic version
4 to 20 mA
Taking 4 to 20 mA test signal
A 4 to 20 mA test signal may be measured via the test terminals without interrupting the
measurement. To keep the corresponding measured error below 0.1 %, the current measuring
device should exhibit an internal resistance of < 0.7 .
4.2.2 Cable specification
• Endress+Hauser recommends using twisted, shielded two-wire cables.
• Terminals for wire cross-sections 0.5 to 2.5 mm
• Cable outer diameter: 5 to 9 mm (0.2 to 0.35 in)
7/8"
11.5 to 45 V DC
(Versions with plug-in connectors: 35 V DC)
2
(20 to 14 AWG)
Cerabar M Analog
–
+
–
Endress+Hauser
P01-xxx7xxxx-04-xx-xx-xx-003
+
P01-xMx5xxxx-04-xx-xx-xx-005