Siemens 6ES7153-1AA03-0XB0 - Connecting Shielded Cables Via a Shield Connecting Element

Connecting
5.4 Wiring the power supply and modules
ET 200M
84 Operating Instructions, 04/2022, EWA-4NEB7806006-09
Preparing the signal module for operation
Table 5- 4 Preparing the signal module for operation
Step
20-pin front connector
40-pin front connector
1.
Press down the unlocking button on the top of the
module and, at the same time, push the front con-
nector into its operating position on the module.
When the front connector reaches its operating
position, the unlocking button will snap back into
the locking position.
Tighten screws to bring front connector to its operating
position.
2.
Close the front door.
3.
Enter the addresses for identifying the individual channels on the labeling strip.
4.
Slide the labeling strip into the guides on the front door.
—
Note
When the front connector is put in its operating position, a front connector encoding device
engages. The front connector then only fits this type of module.
5.4.4 Connecting shielded cables via a shield connecting element
Introduction
This section tells you how to connect the shield of shielded signal lines to ground via a shield
contact element. The connection to ground is achieved by direct contact between the shield
contact element and the rail.
Application
You can do the following easily with the shield contact element:
• connecting all shielded lines from the S7-300 modules to ground
• Connect the interconnecting cable to ground.