Siemens 6ES7134-4FB51-0AB0 - Wiring Unused Channels of the Analog Input Modules; Using the Shield Connection

Connecting
5.2 Wiring unused channels of the analog input modules
2AI U HS analog electronic module (6ES7134-4FB51-0AB0)
22 Manual, 04/2007, A5E01076015-01
5.2 Wiring unused channels of the analog input modules
Rules
Pay attention to the following instructions when wiring unused channels:
● "Disable" unused input channels when setting parameters.
● A disabled channel always returns the value 7FFF
H
.
● The cycle time of the 2AI U HS module is always 250 ms.
● To adhere to the permissible potential differences (U
CM
), you must wire jumpers on the
terminal module for the unused channels.
TM connection terminal
Channel 0 Channel 1
Analog input module
1 2 3 4 5 6 7 8
2AI U HS
5.3 Using the shield connection
Rules
To prevent interference we recommend the following with the analog electronic modules:
● Use shielded wires to the sensors and actuators.
● Lay out the wire shields on the shield connection.
● Connect the shield connection with low impedance to the ground bus.