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ABB AC 800M User Manual

ABB AC 800M
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Section 3 Fieldbus Topologies PROFIBUS PA junctions and connectors
3BDS009029R5001 B 77
PROFIBUS PA junctions and connectors
The PROFIBUS PA T-Connectors are available as Standard and Ex(Haz.) version.
They are used for coupling 1 up to 4 transmitters to the PA trunk via spurs. The
spurs can optionally be connected by an M 12 connection or directly via the EMC
cable gland.
The following points shall be taken into account when selecting a junction or
connector:
Non-interrupted bus operation when exchanging or extending a PA transmitter
External grounding cable
Pressure-compensation element
EMC cable gland
Tension spring connection
Non-Ex design (integrated bus termination, switchable)
Ex(Haz.) design acc. to ATEX (external bus termination
Recommendation of mounting:
Preparation of the PROFIBUS PA cable for M 12 connector:
Figure 27. Preparation of the PROFIBUS PA cable for M 12 connector

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ABB AC 800M Specifications

General IconGeneral
BrandABB
ModelAC 800M
CategoryController
LanguageEnglish

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