FIT Connection, EOL, and Shield Grounding Scenarios - Metasys - LIT-12012443 - Software Application - MS-FIT100-0 Field Inspection Tool

MS-FIT100-0 Field Inspection Tool User Guide

Product name
MS-FIT100-0 Field Inspection Tool
Document type
User Guide
Document number
LIT-12012443
Revision date
2019-09-11
Figure 1. FIT Connection, EOL, and Shield Grounding Scenarios One and Two

In scenario one, shown in Figure 18, the following is occurring:

  • The FIT is in place of an NAE.
  • The FIT identifies one EOL.
  • The FIT EOL should be ON.
  • Leave the Proper Shield Grounding Point at the NAE.

In scenario two, shown in Figure 18, the following is occurring:

  • The FIT is plugged into Johnson Controls Field Control Bus RJ.
  • The FIT identifies two EOLs.
  • The FIT EOL should be ON.
  • Leave the Proper Shield Grounding Point at the NAE.
Figure 2. FIT Connection, EOL, and Shield Grounding Scenarios Three and Four

In scenario three, shown in Figure 19, the following is occurring:

  • The FIT is plugged into Johnson Controls Field Control Bus RJ.
  • The FIT has not identified any EOLs.
  • The FIT EOL should be OFF.
  • Leave the Proper Shield Grounding Point at the NAE.
  • Make sure third-party vendor devices at the end of the bus have EOL.

In scenario four, shown in Figure 19, the following is occurring:

  • The FIT is plugged into Johnson Controls Field Control Bus RJ.
  • The FIT has identified two EOLs (N, J) and the Repeater EOLs are not readable.
  • The FIT EOL should be OFF.
  • Leave the Proper Shield Grounding Point at the NAE and repeater Side B.
Figure 3. FIT Connection, EOL, and Shield Grounding Scenario Five

In scenario five, shown in Figure 20, the following is occurring:

  • The FIT is plugged into Johnson Controls Field Control Bus RJ.
  • The FIT has Identified three EOLs (N, J, x2) and the Repeater EOLs are not readable.
  • The FIT EOL should be OFF.
  • Leave the Proper Shield Grounding Point at the NAE and repeater Side B.