Deltabar S FMD77, FMD78, PMD75 with FOUNDATION Fieldbus
Wiring
Hauser
33
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)
NOTICE
Device could be destroyed!
Devices with integrated overvoltage protection must be earthed.
Devices showing version "M" in feature 100 "Additional options 1" or feature 110 "Additional
options 2" in the order code are equipped with overvoltage protection (
see also Technical
Information TI00382P "Ordering information").
• Overvoltage protection:
– Nominal functioning DC voltage: 600 V
– Nominal discharge current: 10 kA
• Surge current check î = 20 kA as per DIN EN 60079-14: 8/20
s satisfied
• Arrester AC current check I = 10 A satisfied
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?
• Are all screws firmly tightened?
• Are the housing covers screwed down tight?
As soon as voltage is applied to the device, the green LED on the electronic insert lights up
for a few seconds or the connected onsite display lights up.
Содержание Deltabar S FMD77
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