Wiring
3.3 Connecting a module with a connection module
Digital input module DI 64x24VDC SNK/SRC BA (6ES7521-1BP00-0AA0)
Equipment Manual, 07/2020, A5E48025116-AA
15
Table 3- 4 Connecting cables SIMATIC TOP connect
Components Length Article number
Delivery
Pre-assembled connecting cable with IDC connector an both
ends
• IDC connector 40-pin for the I/O module
• IDC connector 50-pin for the SIMATIC TOP connect con-
nection module
Support for selecting hardware components
We recommend you use the TIA Selection Tool for planning your project. The TIA Selection
Tool is available free of charge as a desktop version for download or as a cloud version, refer
to the Internet (
https://new.siemens.com/global/en/products/automation/topic-areas/tia/tia-
selection-tool.html).
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