Software Requirements - Siemens S7-300 Installation Manual

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Before you commission a PROFIBUS DP network, the following requirements must
be met:
• A PROFIBUS DP network has been configured.
• In 67(3 , you have configured the PROFIBUS DP network and you have
assigned a PROFIBUS DP address and memory area to all Nodes (see the
manual 6,0$7,& 67(3  9[ &RQILJXULQJ +DUGZDUH DQG &RQQHFWLRQV ZLWK
67(3  9[).
• Note that you must also set address switches in some of the DP slaves (see the
description of the relevant DP slave).
• Depending on your CPU, you need the following software:
Table 9-6

Software requirements

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315-2 DP
316-2 DP
318-2 DP
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Table 9-7 DP address areas of the CPUs
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DP address area
for I/Os
Number of those in the I/O
process image
'3 GLDJQRVWLF DGGUHVVHV occupy 1 byte per DP master and DP slave in the input
address area. For example, at these addresses DP standard diagnostics can be
called for the relevant node ( LADDR parameter of SFC13). The DP diagnostic
addresses are specified in your configuration. If you do not specify any DP
diagnostic addresses, 67(3  assigns these DP diagnostic addresses, starting at
the highest byte address downwards .
S7-300 Automation System, Hardware and Installation: CPU 312IFM - 318-2 DP
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1024 bytes
Bytes 0 to 127
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67(3  V 3.1 or later
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67(3  V 5.x or later
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2048 bytes 8192 bytes
Bytes 0 to 127 Byte 0 to 255 (default),
configurable up to
byte 2047
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9-23