Connection; Terminal Assignment - Siemens SIMATIC ET 200SP Manual

Connection

4.1

Terminal assignment

Requirements
For connecting, you require a BaseUnit:
● Type C0 (light BaseUnit, e.g., item number 6ES7193-6BP20-0DC0)
Note that, within a BaseUnit group for AS-i consisting of light and dark BaseUnits, only the
AS-i modules CM AS-i Master ST and F-CM AS-i Safety ST may be combined. Other I/O
module types of the ET 200SP must always be separated from the BaseUnit group for AS-i
using light BaseUnits.
Exception:
BaseUnits with power busbars without connection to the terminals of the plug-in I/O module
can be used within a BaseUnit group for AS-i. These BaseUnits include the following dark
BaseUnits with 20 mm width:
● BU20-P12+A0+4B (BU type B1)
● BU20-P12+A0+0B (BU type D0)
● BU20-P8+A4+0B (BU type F0)
NOTICE
Make sure that external voltage from adjacent BaseUnits cannot under any circumstances
be connected to the AS-i modules.
Connection of the BaseUnit only to safety extra-low voltage with limiting of output voltage to
max. 40 V under fault condition
Failure to observe this information may result in death, severe injury, and serious property
damage.
Connect the BaseUnit only to an AS-i power supply unit that meets the conditions indicated
in Section "Schematic circuit diagram (Page 27)", "Power supply units for AS-Interface".
Connection to a higher voltage may result in death, severe injury, and serious property
damage.
AS-Interface master CM AS-i Master ST (3RK7137-6SA00-0BC1)
Manual, 07/2017, A5E02655262020A/RS-AD/004
WARNING
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