Chapter 2. Installation; Installation Planning; Choosing Profibus Media; Wiring The Profibus Connector - Control Technology 2500 Series Installation And Operation Manual

The installation of the Model 2500-RBC Profibus Remote Base Controller consists of the following
steps:
1) Planning the installation,
2) Verifying power requirements
3) Unpacking and configuring the module,
4) Physical installation,
5) Connecting cables,
6) Checking the module operation.

2.1. Installation Planning

Choosing Profibus Media

The 2500-RBC attaches directly to the Profibus-DP RS485 cable using a DB9 connector. The
Profibus organization recommends using bus cable as specified in EN 50170 part 8-2 and "Cable
Type A", and should comply with the parameters below. An example cable of this type would be
Belden 3079A.
For more information on Profibus installation guidelines, see Appendix A.

Wiring the Profibus Connector

The Profibus connector should be wired as shown in Section 2.6. For more information, refer to
Appendix A.

Selecting a Profibus Address

Before proceeding, you must determine what Profibus address you will assign to the module.
Profibus addresses range from 0 to 127. In CTI 2500 Series
and addresses 113-127 are not valid. Therefore, any address between 1 and 112 is valid for the RBC
when installed in these systems. Note that each slave node and the master must have a unique address
on the bus.
CTI 2500-RBC Installation and Operation Guide V1.6

CHAPTER 2. INSTALLATION

®
and Simatic® 505 systems, address 0
3