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Wiring
The section below includes the block diagram of the module and various wiring options.
You can find information on wiring the front connector, establishing a cable shield, etc in the
Wiring section of the S7-1500/ET 200MP
(http://support.automation.siemens.com/WW/view/en/59191792) system manual.
Note
• You may use and combine the different wiring options for all channels.
• Do not insert the potential jumpers included with the front connector!
Abbreviations used
Meaning of the abbreviations used in the following figures:
U
+/U
n
I
+/I
n
L+
M
Pin assignment for the power supply element
The power supply element is plugged onto the front connector for powering the analog
module. Wire the supply voltage to terminals 41 (L+) and 44 (M). Use terminals 42 (L+) and
43 (M) to loop the potential to the next module.
Figure 3-1
Analog Input Module AI 8xU/I HF (6ES7531-7NF00-0AB0)
Manual, 09/2016, A5E36649087-AB
-
Voltage input channel n (voltage only)
n
-
Current input channel n (current only)
n
Supply voltage connection
Ground connection
Power supply element wiring
3
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