Digital input module DI 64x24VDC SNK/SRC BA (6ES7521-1BP00-0AA0)
10 Equipment Manual, 07/2020, A5E48025116-AA
3.1 Wiring and block diagrams
This section contains the block diagram of the module and the terminal assignment.
Wiring and block diagram
The following figure shows the terminal assignment and the assignment of the channels.
• Inputs: Channel 0 to 31 to connector X10
• Inputs: Channel 32 to 63 to connector X11
Terminal for "sinking" operating mode
Status display LED (green)
Terminal for "sourcing" operating mode
Figure 3-1 Block diagram and terminal assignment
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