Siemens SIMATIC ET 200SP Manual page 24

BaseUnits for I/O modules
3.3 BU15-P16+A10+2B (BU type A0)
Properties
● BaseUnit suitable for all I/O modules of the BaseUnit type "A0/A1". Can be recognized by
the last two digits of the article number.
– Current-carrying capacity per process terminal (terminal 1 to 16): Max. 2 A
● The BaseUnit conducts the potential group further. The self-assembling voltage buses P1
and P2, and the AUX busbar are connected to the left-hand neighboring module
(BaseUnit).
● Access to the AUX busbar via terminals
● 16 terminals to the process (assignment through the I/O module)
● 10 AUX terminals for connecting a protective conductor or potential. The AUX busbar is
not connected to the I/O module.
● Connection method using push-in terminals
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BaseUnits (6ES7193-6BP.../3RK1908-0AP00...)
Manual, 12/2016, A5E03727049-AG