B-1

S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07

Diagnostic Data of the Signal Modules

Chapter Overview
Section Description Page
B.1 Evaluating the Diagnostic Data of the Signal Modules in the User
Program B-2
B.2 Structure and Contents of Diagnostic Data Bytes 0 and 1 B-3
B.3 Diagnostic Data of the Digital Input Modules as of Byte 2 B-4
B.4 Diagnostic Data of the Digital Output Modules as of Byte 2 B-8
B.5 Diagnostic Data of the Analog Input Modules as of Byte 2 B-14
B