Data sheet 6ES7315-2AH14-0AB0 SIMATIC S7-300, CPU 315-2DP Central processing unit with MPI Integr. power supply 24 V DC Work memory 256 KB 2nd interface DP master/slave Micro Memory Card required General information HW functional status 01 Firmware version V3.3 Engineering with ● Programming package STEP 7 V5.5 + SP1 or higher or STEP 7 V5.2 + SP1 or higher with HSP 218 Supply voltage Rated value (DC) ● 24 V DC Yes permissible range, lower limit (DC) 19.
Current consumption (in no-load operation), typ. 150 mA Inrush current, typ. 3.5 A I²t 1 A²·s Power loss Power loss, typ. 4.5 W Memory Work memory ● integrated 256 kbyte ● expandable No ● Size of retentive memory for retentive data blocks 128 kbyte Load memory ● Plug-in (MMC) Yes ● Plug-in (MMC), max. 8 Mbyte ● Data management on MMC (after last programming), min.
● Number of delay alarm OBs 2; OB 20, 21 ● Number of cyclic interrupt OBs 4; OB 32, 33, 34, 35 ● Number of process alarm OBs 1; OB 40 ● Number of DPV1 alarm OBs 3; OB 55, 56, 57 ● Number of isochronous mode OBs 1; OB 61 ● Number of startup OBs 1; OB 100 ● Number of asynchronous error OBs 5; OB 80, 82, 85, 86, 87 ● Number of synchronous error OBs 2; OB 121, 122 Nesting depth ● per priority class 16 ● additional within an error OB 4 Counters, timers and their retentivity S7 counter ● Numbe
retentive data area in total All, 128 KB max. Flag ● Number, max. 2 048 byte ● Retentivity available Yes; MB 0 to MB 2 047 ● Retentivity preset MB 0 to MB 15 ● Number of clock memories 8; 1 memory byte Data blocks ● Retentivity adjustable Yes; via non-retain property on DB ● Retentivity preset Yes Local data ● per priority class, max. 32 kbyte; Max.
● via CP 4 Number of operable FMs and CPs (recommended) ● FM 8 ● CP, PtP 8 ● CP, LAN 10 Rack ● Racks, max. 4 ● Modules per rack, max. 8 Time of day Clock ● Hardware clock (real-time) Yes ● retentive and synchronizable Yes ● Backup time 6 wk; At 40 °C ambient temperature ● Deviation per day, max. 10 s; Typ.
Number of industrial Ethernet interfaces 0 Number of PROFINET interfaces 0 Number of RS 485 interfaces 2; MPI and PROFIBUS DP Number of RS 422 interfaces 0 1. Interface Interface type Integrated RS 485 interface Physics RS 485 Isolated No Power supply to interface (15 to 30 V DC), max. 200 mA Protocols ● MPI Yes ● PROFIBUS DP master No ● PROFIBUS DP slave No ● Point-to-point connection No MPI ● Transmission rate, max. 187.
— S7 basic communication Yes; I blocks only — S7 communication Yes; Only server, configured on one side — S7 communication, as client No — S7 communication, as server Yes — Equidistance Yes — Isochronous mode Yes; OB 61 — SYNC/FREEZE Yes — Activation/deactivation of DP slaves Yes — Number of DP slaves that can be simultaneously activated/deactivated, max. 8 — DPV1 Yes Address area — Inputs, max. 2 048 byte — Outputs, max. 2 048 byte User data per DP slave — Inputs, max.
Communication functions PG/OP communication Yes Data record routing Yes Global data communication ● supported Yes ● Number of GD loops, max. 8 ● Number of GD packets, max. 8 ● Number of GD packets, transmitter, max. 8 ● Number of GD packets, receiver, max. 8 ● Size of GD packets, max. 22 byte ● Size of GD packet (of which consistent), max. 22 byte S7 basic communication ● supported Yes ● User data per job, max. 76 byte ● User data per job (of which consistent), max.
Number of login stations for message functions, max. 16; Depending on the configured connections for PG/OP and S7 basic communication Process diagnostic messages Yes simultaneously active Alarm-S blocks, max. 300 Test commissioning functions Status block Yes; Up to 2 simultaneously Single step Yes Number of breakpoints 4 Status/control ● Status/control variable Yes ● Variables Inputs, outputs, memory bits, DB, times, counters ● Number of variables, max. 30 — of which status variables, max.
— LAD Yes — FBD Yes — STL Yes — SCL Yes — CFC Yes — GRAPH Yes — HiGraph® Yes Know-how protection ● User program protection/password protection Yes ● Block encryption Yes; With S7 block Privacy Dimensions Width 40 mm Height 125 mm Depth 130 mm Weights Weight, approx.
