Endress+Hauser Cerabar M - Connecting the Measuring Unit

Cerabar M, Deltabar M, Deltapilot M Electrical connection
Endress+Hauser 39
5.1.1 Devices with 7/8" plug
5.2 Connecting the measuring unit
5.2.1 Supply voltage
For further information on the network structure and grounding and for further bus system
components such as bus cables, see the relevant documentation, e.g. Operating Instructions
BA00013S "FOUNDATION Fieldbus Overview" and the FOUNDATION Fieldbus Guideline.
5.2.2 Current consumption
16 mA ±1 mA, switch-on current corresponds to IEC 61158-2, Clause 21.
5.2.3 Terminals
• Supply voltage and internal ground terminal: 0.5 to 2.5 mm
2
(20 to 14 AWG)
• External ground terminal: 0.5 to 4 mm
2
(20 to 12 AWG)
5.2.4 Cable specification
• Endress+Hauser recommends using twisted, shielded two-wire cables.
• Cable outer diameter: 5 to 9 mm (0.2 to 0.35 in)
For further information on the cable specifications, see Operating Instructions BA00013S
"FOUNDATION Fieldbus Overview", FOUNDATION Fieldbus Guideline and IEC 61158-2
(MBP).
PIN assignment for 7/8" connector PIN Meaning
A0011176
1Signal –
2Signal +
3 Not assigned
4Shield
Electronic version
FOUNDATION Fieldbus,
version for non-hazardous areas
9 to 32 V DC
2
1
4
3