Siemens CPU 31 Series Technical Data Manual page 138

Technical data of CPU 31xC
6.5 CPU 314C-2 PtP and CPU 314C-2 DP
Technical data
Enable/disable DP slaves
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DPV1
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Transmission rates
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Number of DP slaves per station
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Address area
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User data per DP slave
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DP slave
Number of connections
Services
PG/OP communication
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Routing
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Global data communication
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S7 basic communication
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S7 communication
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Direct data exchange
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Transmission rates
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Intermediate memory
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Automatic baud rate search
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Address areas
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DPV1
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GSD file
Point-to-point connection
Transmission rates
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Cable length
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User program can control the
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interface
The interface can trigger a break or
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an interrupt in the user program
Protocol driver
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Programming
Programming language
Available instructions
Nesting levels
System functions (SFCs)
System function blocks (SFBs)
User program security
6-26
CPU 314C-2 PtP
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38.4 Kbaud half duplex
19.2 Kbaud full duplex
Max. 1200 m
Yes
Yes (message with break ID)
3964 (R); ASCII and RK512
CPU 314C-2 PtP
LAD/FBD/STL
see the Instruction List
8
see the Instruction List
see the Instruction List
Yes
CPU 314C-2 DP
Yes
Yes
Up to 12 Mbaud
Max. 32
Max. 1 KB I / 1 KB O
Max. 244 bytes I / 244 bytes O
12
Yes
Yes (only if interface is active)
No
No
No
Yes
Up to 12 Mbaud
244 bytes I / 244 bytes O
Yes (only if interface is passive)
Max. 32, with Max. 32 bytes each
No
The latest GSD file is available at:
http://www.automation.siemens.com/csi/
gsd
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CPU 314C-2 DP
CPU 31xC and CPU 31x, Technical Data
Manual, 01/2006 Edition, A5E00105475-06