Data sheet 6ES7315-2EH14-0AB0 SIMATIC S7-300 CPU 315-2 PN/DP, Central processing unit with 384 KB work memory, 1st interface MPI/DP 12 Mbit/s, 2nd interface Ethernet PROFINET, with 2-port switch, Micro Memory Card required General information HW functional status 01 Firmware version V3.2 Engineering with ● Programming package STEP 7 V5.5 or higher Supply voltage Rated value (DC) ● 24 V DC Yes permissible range, lower limit (DC) 20.4 V permissible range, upper limit (DC) 28.
Inrush current, typ. 4A I²t 1 A²·s Power loss Power loss, typ. 4.65 W Memory Work memory ● integrated 384 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. 10 y Backup ● present Yes; Guaranteed by MMC (maintenance-free) ● without battery Yes; Program and data CPU processing times for bit operations, typ. 0.
● 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 6; OB 80, 82, 83, 85, 86, 87 (OB83 only for PROFINET IO) ● 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 ● Number 256 Retentivity — adjustable Yes — lower limit 0 — upper li
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. 32 768 byte; 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.
Interfaces Number of industrial Ethernet interfaces 1; 2 ports (switch) RJ45 Number of PROFINET interfaces 1; 2 ports (switch) RJ45 Number of RS 485 interfaces 1; Combined MPI / PROFIBUS DP Number of RS 422 interfaces 0 1. Interface Interface type Integrated RS 485 interface Physics RS 485 Isolated Yes Power supply to interface (15 to 30 V DC), max. 200 mA Protocols ● MPI Yes ● PROFIBUS DP master Yes ● PROFIBUS DP slave Yes ● Point-to-point connection No MPI ● Transmission rate, max.
— Number of DP slaves that can be simultaneously activated/deactivated, max. 8 — Direct data exchange (slave-to-slave communication) Yes; As subscriber — DPV1 Yes Address area — Inputs, max. 2 kbyte — Outputs, max. 2 kbyte User data per DP slave — Inputs, max. 244 byte — Outputs, max. 244 byte PROFIBUS DP slave ● Transmission rate, max. 12 Mbit/s ● automatic baud rate search Yes; only with passive interface ● Address area, max. 32 ● User data per address area, max.
● supported Yes ● Switchover time on line break, typ. 200 ms; PROFINET MRP ● Number of stations in the ring, max. 50 Protocols ● MPI No ● PROFINET IO Controller Yes; Also simultaneously with IO-Device functionality ● PROFINET IO Device Yes; Also simultaneously with IO Controller functionality ● PROFINET CBA Yes ● PROFIBUS DP master No ● PROFIBUS DP slave No ● Open IE communication Yes; Via TCP/IP, ISO on TCP, and UDP ● Web server Yes PROFINET IO Controller ● Transmission rate, max.
— Send cycles 250 μs, 500 μs,1 ms; 2 ms, 4 ms (not in the case of IRT with "high flexibility" option) — Updating time 250 µs to 512 ms (depending on the operating mode, see Manual "S7-300 CPU 31xC and CPU 31x, Technical Data" for more details) Address area — Inputs, max. 2 kbyte — Outputs, max. 2 kbyte — User data consistency, max. 1 024 byte PROFINET IO Device Services — PG/OP communication Yes — Routing Yes — S7 communication Yes; With loadable FBs, max. configurable connections: 14, max.
— Data length for connection type 11H, max. 32 768 byte — several passive connections per port, supported Yes ● ISO-on-TCP (RFC1006) Yes; via integrated PROFINET interface and loadable FBs — Number of connections, max. 8 — Data length, max. 32 768 byte ● UDP Yes; via integrated PROFINET interface and loadable FBs — Number of connections, max. 8 — Data length, max.
● Setpoint for the CPU communication load 50 % ● Number of remote interconnection partners 32 ● Number of functions, master/slave 30 ● Total of all master/slave connections 1 000 ● Data length of all incoming connections master/slave, max. 4 000 byte ● Data length of all outgoing connections master/slave, max. 4 000 byte ● Number of device-internal and PROFIBUS interconnections 500 ● Data length of device-internal und PROFIBUS interconnections, max.
● overall 16 ● usable for PG communication 15 — reserved for PG communication 1 — adjustable for PG communication, min. 1 — adjustable for PG communication, max. 15 ● usable for OP communication 15 — reserved for OP communication 1 — adjustable for OP communication, min. 1 — adjustable for OP communication, max. 15 ● usable for S7 basic communication 14 — reserved for S7 basic communication 0 — adjustable for S7 basic communication, min.
● present Yes ● Number of entries, max. 500 — adjustable No — of which powerfail-proof 100; Only the last 100 entries are retained ● Number of entries readable in RUN, max. 499 — adjustable Yes; From 10 to 499 — preset 10 Service data ● can be read out Yes Ambient conditions Ambient temperature during operation ● min. 0 °C ● max. 60 °C Configuration Configuration software ● STEP 7 Yes; V5.
