S7-300 Programmable Controller Hardware and Installation
A5E00105492-01
6-1
6Wiring
6
6.1 Wiring
In this chapter
we shall explain the procedures for wiring an S7-300.
Accessories required
To wire the S7-300, you require the accessories listed in the table below.
Table 6-1 Wiring accessories
Accessories Description
Connection comb (included with the PS) for the connection between the power
supply module and the CPU
(not CPU 31xC)
Front connector for the connection of system
sensors/actuators to the S7-300
Labeling strips for labeling the module I/Os
Shielding element, shielding terminals
(matching the shielding diameter)
for connecting cable shielding
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