Connecting Up - Siemens SIMATIC ET 200SP Manual

4.11 BU type B1, dark-colored version, without AUX terminals, supply over supply terminals
Properties
● BaseUnit suitable for all I/O modules of the BaseUnit type "B1". Can be recognized by the
laser inscription on the front and/or the last two digits of the article number.
– Current-carrying capacity per process terminal (terminal 1 to 12): Max. 5 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).
● No access to the power and AUX busbars via terminals
● 12 terminals to the process (assignment with the I/O module)
● Connection system in the form of push-in terminals Connection cross-sections are
available in the ET 200SP System Manual
(https://support.industry.siemens.com/cs/ww/de/view/58649293).
4.11.2

Connecting up

Pin assignment
Pin assignment for BU type B1, dark-colored version, without AUX terminals, supply over supply
Terminal
1 to 12
(AUX)
1 L, 2 L, (P1) / 1 N, 2 N,
(P2)
BaseUnits (6ES7193-6BP.../3RK1908-0AP00...)
Manual, 02/2018, A5E03727049-AJ
terminals
Assignment is determined by the I/O module.
You can find additional information in the I/O Module
(http://support.automation.siemens.com/WW/view/de/55679691/133300)
manual.
No access to the AUX busbar via terminals
1 L, 2 L: Rated supply voltage up to 230 V AC with max. 10 A
1 N, 2 N: Neutral/Ground
BaseUnits for I/O modules
Descriptions
61