| General information |
|
| Product type designation |
CPU 314 |
| based on |
6ES7314-1AG14-0AB0 |
| 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) |
650 mA |
| Current consumption (in no-load operation), typ. |
140 mA |
| Inrush current, typ. |
3.5 A |
| I²t |
1 A²·s |
| Power loss |
|
| Power loss, typ. |
4 W |
| Storage |
|
| Work memory |
|
| ● integrated |
128 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. |
0.06 µs |
| for word operations, typ. |
0.12 µs |
| for fixed point arithmetic, typ. |
0.16 µs |
| for floating point arithmetic, typ. |
0.59 µs |
| CPU-blocks |
|
| Number of blocks (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 startup OBs |
1; OB 100 |
| ● Number of asynchronous error OBs |
4; OB 80, 82, 85, 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. |
64 kbyte |
| Flag |
|
| ● Size, max. |
256 byte |
| ● Retentivity available |
Yes; MB 0 to MB 255 |
| ● 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 |
1 024 byte |
| ● Outputs |
1 024 byte |
| Process image |
|
| ● Inputs |
1 024 byte |
| ● Outputs |
1 024 byte |
| ● Inputs, adjustable |
1 024 byte |
| ● Outputs, adjustable |
1 024 byte |
| ● Inputs, default |
128 byte |
| ● Outputs, default |
128 byte |
| Digital channels |
|
| ● Inputs |
1 024 |
| — of which central |
1 024 |
| ● Outputs |
1 024 |
| — of which central |
1 024 |
| Analog channels |
|
| ● Inputs |
256 |
| — of which central |
256 |
| ● Outputs |
256 |
| — of which central |
256 |
| Hardware configuration |
|
| Number of expansion units, max. |
3 |
| Number of DP masters |
|
| ● integrated |
0 |
| ● 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 |
| ● 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 |
1; MPI |
| 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 |
No |
| — 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 |
| Protocols |
|
| PROFIsafe |
No |
| Communication functions |
|
| PG/OP communication |
Yes |
| Data record routing |
No |
| 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 |
12 |
| ● usable for PG communication |
11 |
| — reserved for PG communication |
1 |
| — adjustable for PG communication, min. |
1 |
| — adjustable for PG communication, max. |
11 |
| ● usable for OP communication |
11 |
| — reserved for OP communication |
1 |
| — adjustable for OP communication, min. |
1 |
| — adjustable for OP communication, max. |
11 |
| ● usable for S7 basic communication |
8 |
| — reserved for S7 basic communication |
0 |
| — adjustable for S7 basic communication, min. |
0 |
| — adjustable for S7 basic communication, max. |
8 |
| S7 message functions |
|
| Number of login stations for message functions, max. |
12; 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 |
| — can be set |
No |
| — of which powerfail-proof |
100; Only the last 100 entries are retained |
| ● Number of entries readable in RUN, max. |
499 |
| — can be set |
Yes; From 10 to 499 |
| — preset |
10 |
| Service data |
|
| ● Can be read out |
Yes |
| 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 |
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 |
| ● Block encryption |
Yes; With S7 block Privacy |
| Dimensions |
|
| Width |
40 mm |
| Height |
125 mm |
| Depth |
130 mm |
| Weights |
|
| Weight, approx. |
280 g |
