Siemens CPU 1512SP-1 PN - Communication Protocols

Article number 6ES7512-1DM03-0AB0
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RS 485 Yes; Via CM DP module
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Number of ports 1
Protocols 
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PROFIBUS DP master Yes
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PROFIBUS DP slave Yes
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SIMATIC communication Yes
PROFIBUS DP master 
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Number of connections, max. 48; Of which 4 each reserved for ES and HMI
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Number of DP slaves, max. 125; In total, up to 512 distributed I/O devices
can be connected via AS-i, PROFIBUS or PROFINET
Services 
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PG/OP communication Yes
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Equidistance No
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Isochronous mode No
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Activation/deactivation of DP slaves Yes
Interface types 
RJ 45 (Ethernet) 
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100 Mbps Yes
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Autonegotiation Yes
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Autocrossing Yes
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Industrial Ethernet status LED Yes
RS 485 
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Transmission rate, max. 12Mbit/s
Protocols 
PROFIsafe No
Number of connections 
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Number of connections, max. 128; via integrated interfaces of the CPU and con
nected CPs / CMs
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Number of connections reserved for
ES/HMI/web
10
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Number of connections via integrated
interfaces
88
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Number of connections per CP/CM 32
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Number of S7 routing paths 16
Redundancy mode 
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H-Sync forwarding Yes
Media redundancy 
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Media redundancy Yes; only via BusAdapter
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MRP Yes; MRP Automanager according to IEC 62439-2
Edition 2.0, MRP Manager; MRP Client
34
CPU 1512SP-1 PN (6ES7512-1DM03-0AB0)
Equipment Manual, 11/2022, A5E33591411-AE
Technical specifications