Siemens SIMATIC TI555 - User-Supplied Equipment; Mounting the Terminal Block; Programmable Controller and RBC Drop Lines

4-7
Cabling and Wiring the System
TI545/TI555 System Manual
User-supplied components are listed below:
• RS-485 cables.
• T aps (terminal blocks).
• 9-Pin D-connectors (male) and shell.
• T erminal lugs.
Installation procedures for mounting the terminal block depend upon the
cable installation technique used. Refer to mounting instructions provided
by the terminal block vendor for additional information .
The cable that connects the programmable controller and RBC to a terminal
block is called a drop line (Figure 4-2). Belden  cable type 9271 and 9182
should be used for all drop lines.
NOTE: If the trunk line is Belden cable type 9182, the drop line must be
Belden cable type 9182.
If the trunk line is Belden cable type 9860 or 9271, the drop line can be
Belden cable type 9271 or 9182.
User-Supplied
Equipment
Mounting the
Ter minal Block
Programmable
Contr oller and
RBC Dr op Lines