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Commissioning and Diagnostics

7-23

ET 200S IM 151-7 CPU Interface Module

A5E00058783-04

Structure of the interrupt data with process interrupt (from Byte y+4 onwards)

With the process interrupt (in byte y+1, code 02

stands for a process interrupt),

the 4 byte interrupt information which you transfer in the intelligent slave with the

SFC 7 ”DP_PRAL” and SFB 75 ”SALRM” when the process interrupt is generated

for the master, is transferred from byte y+4 onwards.

Structure of the interrupt data when a diagnostic interrupt is generated by a

mode change at the intelligent slave (from Byte y+4 onwards)

In the byte y+1, the code stands for diagnostic interrupt (01

). The diagnostic data

contains the 16 byte status information for the CPU. The following figure shows the

assignment of the first 4 bytes of the diagnostic data. The next 12 bytes are always

The content of these bytes corresponds to the content of data record 0 for

diagnosis in STEP 7 (in this case not all bits are assigned).

Byte y+4

Byte y+5

Byte y+6

0: Operating mode RUN

1: Operating mode STOP

0: IM 151-7 CPU ok

1: IM 151-7 CPU faulty

000 0

00000

Identifier for the address area of the

intermediate memory (constant)

0000000

Byte y+7

00000000

70654 13 2 Bit no.

7065 4 13 2 Bit no.

Figure 7-7 Byte y+4 to y+7 for the diagnostic interrupt (changed operating status of the

intelligent slave)

1 2 ... 100 101 102 103 104 105 106 107 108 109 110 ... 213 214

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Siemens ET 7Y Series Spezifikationen Seite 105