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

SIMATIC S7-300Central processing units© Siemens AG 2010Fail-safe CPUs5■ Technical specifications (continued)6ES7 315-6FF04-0AB0 6ES7 315-2FJ14-0AB0 6ES7 317-2FK14-0AB0Product-type designation CPU 315F-2 DP CPU 315F-2 PN/DP CPU 317F-2 PN/DPIEC timer• present Yes Yes Yes• Type SFB SFB SFBData areas and their retentivityFlag• Number, max. 2 048 byte 2 048 byte 4096byte• Retentivity available Yes; MB 0 to MB 2047 Yes; MB 0 to MB 2047 Yes; MB 0 to MB 4095• Number of clock memories 8; 1 memory byte 8; 1 memory byte 8; 1 memory byteData blocks• Number, max. 1 024;Number range: 1 to 160001 024;Number range: 1 to 160002048;Number range: 1 to 16000• Size, max. 64 Kibyte 64 Kibyte 64 Kibyte• Retentivity adjustableYes; via non-retain property onDBYes; via non-retain property onDBYes; via non-retain property onDB• Retentivity preset yes yes yesLocal data• per priority class, max. 32 Kibyte; Max. 2 KB per block 32 Kibyte; Max. 2 KB per block 32 Kibyte; Max. 2 KB per blockAddress areaI/O address area• overall 2 048 byte 2 048 byte 8192byte•Outputs 2 048 byte 2 048 byte 8192byte• of which, distributed- Inputs 2 048 byte 2 048 byte 8192byte-Outputs 2 048 byte 2 048 byte 8192byteProcess image• Inputs 2 048 byte 2 048 byte 8192byte•Outputs 2 048 byte 2 048 byte 8192byte• Inputs, adjustable 2 048 byte 2 048 byte 8192byte• Outputs, adjustable 2 048 byte 2 048 byte 8192byte• Inputs, default 384 byte 384 byte 1024byte• Outputs, default 384 byte 384 byte 1024byteSubprocess images• Number of subprocess images, max. 1 1 1Digital channels• Inputs 16 384 16 384 65 536•Outputs 16 384 16 384 65 536• Inputs, of which central 1 024 1 024 1024• Outputs, of which central 1 024 1 024 1024Analog channels• Inputs 1 024 1 024 4096•Outputs 1 024 1 024 4096• Inputs, of which central 256 256 256• Outputs, of which central 256 256 256Hardware configurationCentral devices, max. 1 1 1Expansion devices, max. 3 3 3Racks, max. 4 4 4Modules per rack, max. 8 8 85/20 Siemens ST 70 N · 2010