Supplements to ET 200SP documentation
2.2 BaseUnits manual
Product information on the documentation of the ET 200SP distributed I/O system
36 Product Information, 02/2021, A5E03799595-BG
Appendix B Accessories / Spare parts
For the I/O modules, mechanical or electronic coding elements are supplied ex works,
depending on the module. Variants A, B, C and D are available as spare parts.
The appropriate coding element can be found in the technical specifications of the respective
I/O module.
Mechanical coding element
• Coding element (type B)
• Coding element (type D)
How to proceed when changing the coding element is described in the section "Changing the
type of an I/O module" in the system manual SIMATIC ET 200SP Distributed I/O System
(https://support.industry.siemens.com/cs/ww/en/view/58649293
).
2.2 BaseUnits manual
2.2.1 Special consideration for BaseUnits with functional versions < 04
The following BaseUnits with functional version < 04 can only be used in potential groups
with rated voltages ≤ 48 V DC or 24 V AC:
• BaseUnit BU20-P12+A0+4B (6ES7193-6BP20-0BB1).
• BaseUnit BU20-P12+A0+0B (6ES7193-6BP00-0BD0).