Siemens CPU 312C Hardware And Installation Guide

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S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
11-24 A5E00105492-03
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Table 11-15 Structure of station status 3 (byte 2)
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0 to 6 These bits are always “0”
7 The incoming diagnostic messages exceeds the memory capacity of the DP slave.
The DP master cannot write all diagnostic messages sent by the DP slave to its diagnostic
buffer.
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The "Master PROFIBUS address" diagnostic byte stores the DP address of the DP
master:
• that has configured the DP slave and
• has read and write access to the DP slave.
Table 11-16 Structure of the master PROFIBUS address (byte 3)
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0 to 7 DP address of the DP master that has configured the DP slave and has read/write access to
that DP slave.
FFH: DP slave was not configured by a DP master
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The vendor ID contains a code specifying the DP slave's type.
Table 11-17 Structure of the vendor ID (byte 4, 5)
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80
H
EE
H
CPU 315-2 DP
80
H
F0
H
CPU 317-2 DP
80
H
D0
H
313C-2-DP
80
H
D1
H
314C-2-DP
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Siemens CPU 312C Specifications

General

Brand	Siemens
Model	CPU 312C
Category	Processor
Language	English