Installation Guidelines - Siemens SIMATIC S5 Manual

S5-95U, SINEC L2
2

Installation Guidelines

This chapter contains suggestions and rules for configuring and installing the S5-95U as a SINEC L2
bus station. The S5-90U/S5-95U System Manual discusses installation guidelines for all versions of
the S5-95U, such as mechanical installation and wiring. You should use this chapter together with
the installation guidelines discussed in the system manual.
Note
Refer to the SINEC L2/L2FO Network Manual for additional information about installation
techniques.
2.1 Basic Configuration
Figure 2-1 illustrates the main components of a SINEC L2 in RS 485 and S5-95U installation
technology. The main components are as follows:
• The S5-95U programmable controllers with a SINEC L2 interface
• The SINEC L2 bus connector with the bus cable
S5-95U
Note
The bus terminal can replace the bus connector (See section 1.6.1). All of the refer-
ences in section 2.2 are to the bus connector because it is the most economical and
simplest connection method.
EWA 4NEB 812 6112-02
L2 interface
with attached
bus connector
Bus cable
Programmer
interface
Figure 2-1. SINEC L2 Components
Installation Guidelines
S5-95U
L2 interface
with attached
bus connector
Programmer
interface
2-1