Connection - Siemens SIMATIC ET 200SP Manual

Properties
● BaseUnit suitable for all I/O modules of BaseUnit type "A1". Can be recognized by the
laser inscription on the front and/or the last two digits of the article number.
Note
Using another I/O module can trigger an internal, non-exchangeable fuse and you must
exchange the terminal box.
– 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).
● No access to the AUX busbar via terminals
● 16 terminals to the process (assignment through the I/O module)
● Recording of the terminal temperature for internal temperature compensation at
connected thermocouples
● 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).
4.9.2

Connection

Pin assignment
Terminal
1 to 16
(AUX)
L+, P1 / M, P2
BaseUnits (6ES7193-6BP.../3RK1908-0AP00...)
Manual, 02/2018, A5E03727049-AJ
4.9 BU type A1, dark-colored version, without additional terminals
Pin assignment for BU type A1, dark-colored version, without additional terminals
Assignment is determined by the I/O module. You can find additional infor-
mation in the I/O Module
(http://support.automation.siemens.com/WW/view/en/55679691/133300)
manual.
No access to the AUX busbar via terminals
L+: Rated supply voltage 24 V DC with max. 10 A
M: Ground
BaseUnits for I/O modules
Descriptions
53