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Siemens SCALANCE M800 User Manual

Siemens SCALANCE M800
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Connecting up
4.5 Digital input/output
SCALANCE M874, M876
Operating Instructions, 08/2018, C79000-G8976-C331-08
49
4.5
Digital input/output
The digital input/output (relay contact) is a floating switch with which error/fault states can be
signaled by breaking the contact.
CAUTION
Damage due to voltage being too high or too low
The voltage at the digital input/output must not exceed 30 VDC and not fall below -30 VDC,
otherwise the digital input/output will be destroyed.
Note
Interference pulse
Zo avoid evaluating an interference pulse, the pulse for the signal 1 (TRUE / HIGH) must be
at least 200 ms.
Rules for user wiring
Always wire the digital input/output in pairs-
The maximum permitted cable length is 30 m.

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Siemens SCALANCE M800 Specifications

General IconGeneral
BrandSiemens
ModelSCALANCE M800
CategoryNetwork Router
LanguageEnglish

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