Application planning
3.1 Hardware configuration
Distributed I/O system
System Manual, 02/2018, A5E31861578-AF
17
Electrical maximum configuration
The number of usable I/O modules of a potential group is limited by the following points:
● Power requirements of the I/O modules
● Power requirements of the components supplied via these I/O modules
The maximum infeed current of the I/O modules is 4 A with 1L+ supply voltage (non-
switched) and 2L+ load voltage (switched). When the maximum infeed current has been
reached, you must open a new potential group.
You will find more information in the section Connecting cables for ET 200AL (Page 39).
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