Products for Totally Integrated Automation and Micro ... - Siemens

SIMATIC S7-300Central processing units© Siemens AG 2010Standard CPUs5■ Technical specifications (continued)6ES7 312-1AE14-0AB06ES7 314-1AG14-0AB06ES7 315-2AH14-0AB06ES7 315-2EH14-0AB06ES7 317-2EK14-0AB0Product-type designation CPU 312 CPU 314 CPU 315-2 DP CPU 315-2 PN/DP CPU 317-2 PN/DPPROFINET CBA (at set setpointcommunication load)• PROFIBUS proxy functionality- supported Yes Yes- Number of linked16 16PROFIBUS devices- Data length perconnection, max.240 byte; Slavedependent240 byte; Slavedependent1st interfaceType of interface Integrated RS 485interfaceIntegrated RS 485interfaceIntegrated RS 485interfaceIntegrated RS 485interfaceIntegrated RS 485interfacePhysics RS 485 RS 485 RS 485 RS 485 RS 485Isolated No No No Yes YesPower supply to interface 200 mA 200 mA 200 mA 200 mA 200 mA(15 to 30 V DC), max.Functionality•MPI Yes Yes Yes Yes Yes•DP master No No No Yes Yes• DP slave No No No Yes Yes• Point-to-point connection No No No No NoMPI• Number of connections 6 12 16 16 32• Services- PG/OP communication Yes Yes Yes Yes Yes- Routing No No Yes Yes Yes- Global data communicationYes Yes Yes Yes Yes- S7 basic communication Yes Yes Yes Yes Yes- S7 communication Yes Yes Yes Yes Yes- S7 communication,as clientNo No No No; but via CP andloadable FBNo; but via CP andloadable FB- S7 communication, Yes Yes Yes Yes Yesas server• Transmission speeds, max. 187.5 kbit/s 187.5 kbit/s 187.5 kbit/s 12 Mbit/s 12 Mbit/sDP master• Services- PG/OP communication Yes Yes- Routing Yes Yes- Global data communicationNoNo- S7 basic communication Yes; I blocks only Yes; I blocks only- S7 communication Yes Yes- S7 communication,NoNoas client- S7 communication,YesYesas server- Equidistance modeYesYessupport- Isochronous mode Yes; OB 61 Yes; OB 61- SYNC/FREEZE Yes Yes- Activation/deactivation ofYesYesDP slaves- Number of DP slaves that8 8can be simultaneouslyactivated/deactivated,max.-DPV1 Yes Yes5/10 Siemens ST 70 N · 2010