6AG1315-2AH14-7AB0

SIPLUS S7-300 CPU 315-2DP based on 6ES7315-2AH14-0AB0 with conformal coating, -25…+70 °C, central processing unit with MPI integrated power supply 24 V DC work memory 256 KB 2nd interface DP master/ device Micro Memory Card required

Siemens spare part — S7-300 product cancellation (PM410, 1 October 2025); available as a spare part until 2033.

Kategorie produktu

CPU

Výrobce

SIEMENS

Produktová řada

S7-300

General information
Product type designation	CPU 315-2 DP
based on	6ES7315-2AH14-0AB0
Product function
Isochronous mode	Yes
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
permissible range, lower limit (DC)	19.2 V
permissible range, upper limit (DC)	28.8 V
external protection for power supply lines (recommendation)	2 A min.
Mains buffering
Mains/voltage failure stored energy time	5 ms
Repeat rate, min.	1 s
Input current
Current consumption (rated value)	850 mA
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
Storage
Work memory
integrated	256 kbyte
expandable	No
Load memory
Plug-in (MMC)	Yes
Plug-in (MMC), max.	8 Mbyte
Data management on MMC (after last programming), min.	10 a
Backup
present	Yes; Guaranteed by MMC (maintenance-free)
without battery	Yes; Program and data
CPU processing times
for bit operations, typ.	0.05 µs
for word operations, typ.	0.09 µs
for fixed point arithmetic, typ.	0.12 µs
for floating point arithmetic, typ.	0.45 µs
CPU-blocks
Number of elements (total)	1 024; (DBs, FCs, FBs); the maximum number of loadable blocks can be reduced by the MMC used.
DB
Number, max.	1 024; Number range: 1 to 16000
Size, max.	64 kbyte
FB
Number, max.	1 024; Number range: 0 to 7999
Size, max.	64 kbyte
FC
Number, max.	1 024; Number range: 0 to 7999
Size, max.	64 kbyte
OB
Number, max.	see instruction list
Size, max.	64 kbyte
Number of free cycle OBs	1; OB 1
Number of time alarm OBs	1; OB 10
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
Number	256
Retentivity
adjustable	Yes
preset	Z 0 to Z 7
Counting range
lower limit	0
upper limit	999
IEC counter
present	Yes
Type	SFB
Number	Unlimited (limited only by RAM capacity)
S7 timer
Number	256
Retentivity
adjustable	Yes
preset	No retentivity
Time range
lower limit	10 ms
upper limit	9 990 s
IEC timer
present	Yes
Type	SFB
Number	Unlimited (limited only by RAM capacity)
Data areas and their retentivity
Retentive data area (incl. timers, counters, flags), max.	128 kbyte
Flag
Size, 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. 2 KB per block
Address area
I/O address area
Inputs	2 048 byte
Outputs	2 048 byte
of which distributed
Inputs	2 048 byte
Outputs	2 048 byte
Process image
Inputs	2 048 byte
Outputs	2 048 byte
Inputs, adjustable	2 048 byte
Outputs, adjustable	2 048 byte
Inputs, default	128 byte
Outputs, default	128 byte
Subprocess images
Number of subprocess images, max.	1
Digital channels
Inputs	16 384
of which central	1 024
Outputs	16 384
of which central	1 024
Analog channels
Inputs	1 024
of which central	256
Outputs	1 024
of which central	256
Hardware configuration
Number of expansion units, max.	3
Number of DP masters
integrated	1
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.: 2 s
Behavior of the clock following POWER-ON	Clock continues running after POWER OFF
Behavior of the clock following expiry of backup period	the clock continues at the time of day it had when power was switched off
Operating hours counter
Number	1
Number/Number range	0
Range of values	0 to 2^31 hours (when using SFC 101)
Granularity	1 h
retentive	Yes; Must be restarted at each restart
Clock synchronization
supported	Yes
to MPI, master	Yes
on MPI, device	Yes
to DP, master	Yes; With DP slave only slave clock
on DP, device	Yes
in AS, master	Yes
in AS, device	No
Digital inputs
Number of digital inputs	0
Digital outputs
Number of digital outputs	0
Analog inputs
Number of analog inputs	0
Interfaces
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
Isolated	No
Interface types
RS 485	Yes
Output current of the interface, max.	200 mA
Protocols
MPI	Yes
PROFIBUS DP master	No
PROFIBUS DP device	No
Point-to-point connection	No
MPI
Transmission rate, max.	187.5 kbit/s
Services
PG/OP communication	Yes
Routing	Yes
Global data communication	Yes
S7 basic communication	Yes
S7 communication	Yes; Only server, configured on one side
S7 communication, as client	No
S7 communication, as server	Yes
2. Interface
Interface type	Integrated RS 485 interface
Isolated	Yes
Interface types
RS 485	Yes
Output current of the interface, max.	200 mA
Protocols
MPI	No
PROFIBUS DP master	Yes
PROFIBUS DP device	Yes
Point-to-point connection	No
PROFIBUS DP master
Number of connections, max.	16
Transmission rate, max.	12 Mbit/s
max. number of DP devices	124; Per station
Services
PG/OP communication	Yes
Routing	Yes
Global data communication	No
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 devices	Yes
max. number of DP devices that can be activated/deactivated at the same time	8
DPV1	Yes
Address area
Inputs, max.	2 048 byte
Outputs, max.	2 048 byte
User data per DP device
Inputs, max.	244 byte
Outputs, max.	244 byte
PROFIBUS DP device
GSD file	The latest GSD file is available at: http://www.siemens.com/profibus-gsd
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.	32 byte
Services
PG/OP communication	Yes
Routing	Yes; Only with active interface
Global data communication	No
S7 basic communication	No
S7 communication	Yes
S7 communication, as client	No
S7 communication, as server	Yes
Direct data exchange (slave-to-slave communication)	Yes
DPV1	No
Transfer memory
Inputs	244 byte
Outputs	244 byte
Protocols
PROFIsafe	No
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.	76 byte; 76 bytes (with X_SEND or X_RCV); 64 bytes (with X_PUT or X_GET as server)
S7 communication
supported	Yes
as server	Yes
as client	Yes; Via CP and loadable FB
User data per job, max.	180 byte; With PUT/GET
User data per job (of which consistent), max.	240 byte; as server
S5 compatible communication
supported	Yes; via CP and loadable FC
Number of connections
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	12
reserved for S7 basic communication	0
adjustable for S7 basic communication, min.	0
adjustable for S7 basic communication, max.	12
S7 message functions
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.	30
of which control variables, max.	14
Forcing
Forcing	Yes
Forcing, variables	Inputs, outputs
Number of variables, max.	10
Diagnostic buffer
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.
can be set	Yes; From 10 to 499
preset	10
Standards, approvals, certificates
CE mark	Yes
UL approval	Yes; File E239877
RCM (formerly C-TICK)	Yes
KC approval	Yes
EAC (formerly Gost-R)	Yes
Use in hazardous areas
ATEX marking	Yes
Ambient conditions
Ambient temperature during operation
min.	-25 °C; = Tmin
max.	70 °C; = Tmax; 60 °C @ UL/cUL, ATEX and FM use
Ambient temperature during storage/transportation
min.	-40 °C
max.	70 °C
Altitude during operation relating to sea level
Installation altitude above sea level, max.	5 000 m
Ambient air temperature-barometric pressure-altitude	Tmin ... Tmax at 1 140 hPa ... 795 hPa (-1 000 m ... +2 000 m) // Tmin ... (Tmax - 10 K) at 795 hPa ... 658 hPa (+2 000 m ... +3 500 m) // Tmin ... (Tmax -20 K) at 658 hPa ... 540 hPa (+3 500 m ... +5 000 m)
Relative humidity
With condensation, tested in accordance with IEC 60068-2-38, max.	100 %; RH incl. condensation/frost (no commissioning under condensation conditions)
Resistance
Use in stationary industrial systems
to biologically active substances according to EN 60721-3-3	Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna); Class 3B3 on request
to chemically active substances according to EN 60721-3-3	Yes; Class 3C4 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *
to mechanically active substances according to EN 60721-3-3	Yes; Class 3S4 incl. sand, dust, *
Use on ships/at sea
to biologically active substances according to EN 60721-3-6	Yes; Class 6B2 mold and fungal spores (excluding fauna); Class 6B3 on request
to chemically active substances according to EN 60721-3-6	Yes; Class 6C3 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *
to mechanically active substances according to EN 60721-3-6	Yes; Class 6S3 incl. sand, dust; *
Usage in industrial process technology
Against chemically active substances acc. to EN 60654-4	Yes; Class 3 (excluding trichlorethylene)
Environmental conditions for process, measuring and control systems acc. to ANSI/ISA-71.04	Yes; Level GX group A/B (excluding trichlorethylene; harmful gas concentrations up to the limits of EN 60721-3-3 class 3C4 permissible); level LC3 (salt spray) and level LB3 (oil)
Remark
Note regarding classification of environmental conditions acc. to EN 60721, EN 60654-4 and ANSI/ISA-71.04	* The supplied plug covers must remain in place over the unused interfaces during operation!
Configuration
Configuration software
STEP 7	Yes; V5.2 SP1 or higher with HW update
Programming
Command set	see instruction list
Nesting levels	8
System functions (SFC)	see instruction list
System function blocks (SFB)	see instruction list
Programming language
LAD	Yes
FBD	Yes
STL	Yes
SCL	Yes
CFC	Yes
GRAPH	Yes
HiGraph®	Yes
Know-how protection
User program protection/password protection	Yes
Dimensions
Width	40 mm
Height	125 mm
Depth	130 mm
Weights
Weight, approx.	290 g
Approvals / Certificates