Wiring; Wiring And Block Diagram - Siemens 6ES7521-1BL00-0AA0 Manual

Wiring

3.1

Wiring and block diagram

This section contains the block diagram of the module and outlines various wiring options.
You can find information on wiring the front connector, creating a cable shield, etc. in the
Wiring section of the S7-1500/ET 200MP
(http://support.automation.siemens.com/WW/view/en/59191792) system manual.
Wiring and block diagram
The figure below shows you how to wire the module and the assignment of the channels to
the addresses (input byte a to input byte d).
①
M
Figure 3-1
Digital input module DI 32x24VDC BA (6ES7521-1BL10-0AA0)
Manual, 12/2016, A5E32363711-AD
Backplane bus interface
Ground
Block diagram and terminal assignment
CHx Channel or channel status LED (green)
RUN Status display LED (green)
ERROR Error display LED (red)
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