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

© Siemens AG 2010SIMATIC S7-300Central processing unitsStandard CPUs■ 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/DPS7 message functionsNumber of login stations formessage functions, max.6; Depending on theconnections configuredfor PG/OP andS7 basic communication12; Depending on theconnections configuredfor PG/OP andS7 basic communication16; Depending on theconnections configuredfor PG/OP andS7 basic communication16; Depending on theconnections configuredfor PG/OP andS7 basic communicationProcess diagnostic messagesYes Yes Yes Yes Yessimultaneously active 300 300 300 300 300Alarm-S blocks, max.Test commissioningfunctionsStatus/control• Status/control variable Yes Yes Yes Yes Yes•VariablesInputs, outputs,memory bits, DB,times, countersInputs, outputs,memory bits, DB,times, countersInputs, outputs,memory bits, DB,times, countersInputs, outputs,memory bits, DB,times, counters32; Depending on theconnections configuredfor PG/OP andS7 basic communicationInputs, outputs,memory bits, DB,times, counters• Number of variables, max. 30 30 30 30 30• of which status variables, 30 30 30 30 30max.• of which control variables, 14 14 14 14 14max.Forcing• Forcing Yes Yes Yes Yes Yes• Force, variables Inputs, outputs Inputs, outputs Inputs, outputs Inputs, outputs Inputs, outputs• Number of variables, max. 10 10 10 10 10Status blockYes; Up to 2 simultaneouslyYes; Up to 2 simultaneouslyYes; Up to 2 simultaneouslyYes; Up to 2 simultaneouslyYes; Up to 2 simultaneouslySingle step Yes Yes Yes Yes YesNumber of breakpoints 4 4 4 4 4Diagnostic buffer• present Yes Yes Yes Yes Yes• Number of entries, max. 500 500 500 500 500- can be set No No No No No- Of which powerfail-proof 100; Only the last 100entries are retained100; Only the last 100entries are retained100; Only the last 100entries are retained100; Only the last 100entries are retained100; Only the last 100entries are retained• Maximum number of entriesthat can be read in RUN- adjustable Yes; from 10 to 499 Yes; from 10 to 499 Yes; from 10 to 499 Yes; from 10 to 499 Yes; from 10 to 499- default 10 10 10 10 10Service data• can be read out Yes YesMonitoring functionsStatus LEDs Yes Yes Yes Yes YesCommunication functionsPG/OP communication Yes Yes Yes Yes YesData record routing Yes Yes YesRouting No No Yes; Max. 4 Yes YesGlobal data communication• supported Yes Yes Yes Yes Yes• Size of GD packets, max. 22 byte 22 byte 22 byte 22 byte 22 byteS7 basic communication• supported Yes Yes Yes Yes Yes5Siemens ST 70 N · 20105/7