Siemens SIMATIC TI555 - Connecting the RBC Drop Line; Figure 4-6 Attaching RBC to Terminal Block

4-11
Cabling and Wiring the System
TI545/TI555 System Manual
Use the following procedure to connect a cable between the RBC and
terminal block.
1. Prepare another cable as described on page 4-8.
2. Place the cable D-connector onto the RBC RS-485 connector .
3. T ighten two cable connector screws to secure the cable D-connector to
the RBC RS-485 connector .
4.
Loosen three terminal screws on the terminal block and install the
cable terminal lugs onto the terminal block. See Figure 4-6.
NOTE: Ensure that the RBC cable wires match with the CPU cable wires at
the terminal block. For example, if a wire at a bottom terminal screw is
blue, the wire directly above it must also be blue.
To RBC
From CPU
Figure 4-6 Attaching RBC to T er minal Block
Connecting the
RBC Dr op Line