Wiring Deltabar S FOUNDATION Fieldbus
24 Endress+Hauser
5.2.1 Supply voltage
• Version for non-hazardous area: 9 to 32 V DC
Supply voltage might be connected!
Risk of electric shock and/or explosion!
‣ 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.
5.2.2 Current consumption
15.5 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
• Use a twisted, shielded two-wire cable, preferably cable type A.
• Outer cable 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).
5.2.5 Grounding and shielding
Deltabar S must be grounded, for example by means of the external ground terminal.
Different grounding and shielding installation methods are available for FOUNDATION Fieldbus
networks such as:
• Isolated installation (see also IEC 61158-2)
• Installation with multiple grounding
• Capacitive installation
5.3 Overvoltage protection (optional)
See operrating instructions.
5.4 Post-connection check
Perform the following checks after completing electrical installation of the device:
• Does the supply voltage match the specifications on the nameplate?
• Is the device connected as per Section 5.1?
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