Siemens Simatic M7-400 Manual de usuario descargar pdf (Pagina 582)

Diagnostic Data of the Signal Modules

S7-400, M7-400 Programmable Controllers Module Specifications

A5E00069467-07

B.4 Diagnostic Data of the Digital Output Modules

as of Byte 2

The structure and contents of the different bytes of the diagnostic data for special

digital output modules are described below. The following general rule applies:

When an error occurs, the bit concerned is set to ”1”.

You will find a description of possible error causes and appropriate remedies in the

section called on the special module.

Bytes 2 and 3 of the SM 422; DO 16 20-125 VDC/1.5 A

Operating status 0: RUN

Figure B-8 Bytes 2 and 3 of the Diagnostic Data of the SM 422;

DO 16 x 20-125 VDC/1.5 A

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Siemens Simatic M7-400 Manual de usuario Pagina 582