Wiring up
3.1 Wiring and block diagram
Digital input module DI 8x24VDC ST (6ES7131-6BF01-0BA0)
Manual, 02/2019, A5E03574157-AF
15
Wire-break detection
When wire-break detection is configured the module requires a low quiescent current at the
digital input in case of "0" signal for the monitoring. The parallel connection of a resistor with
25 kΩ to 45 kΩ is required in order that this quiescent current can flow when mechanical
transducer contacts are open.
If wire-break detection is disabled in the configuration, no parallel connection of the resistor
is required.
If wire-break detection is configured, connect a resistor with 25 kΩ to 45 kΩ parallel to each
mechanical transducer contact.
Figure 3-3 Connect mechanical transducer contact with resistor
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