| General information |
| Product type designation |
CPU 1214C DC/DC/DC |
| Firmware version |
V1.0 |
| ● FW update possible |
Yes |
| Product function |
| ● I&M data |
Yes; I&M0 to I&M3 |
| ● SysLog |
Yes |
| Engineering with |
| ● Programming package |
STEP 7 V20 or higher |
| Supply voltage |
| Rated value (DC) |
|
| ● 24 V DC |
Yes |
| permissible range, lower limit (DC) |
20.4 V |
| permissible range, upper limit (DC) |
28.8 V |
| Reverse polarity protection |
Yes |
| Input current |
| Current consumption (rated value) |
145 mA; CPU only |
| Current consumption, max. |
1 000 mA; CPU with all expansion modules |
| Inrush current, max. |
12 A; at 28.8 V DC |
| I²t |
0.5 A²·s |
| Output current |
| for backplane bus (5 V DC), max. |
1 600 mA; Max. 5 V DC for SM and CM |
| Encoder supply |
| 24 V encoder supply |
| ● 24 V |
Yes; L+ minus 4 V DC min. |
| ● Short-circuit protection |
Yes |
| ● Output current, max. |
400 mA |
| Power loss |
| Power loss, typ. |
3.5 W |
| Memory |
| Work memory |
| ● integrated |
1 000 kbyte |
| ● integrated (for program) |
250 kbyte |
| ● integrated (for data) |
750 kbyte |
| Load memory |
| ● integrated |
8 Mbyte |
| ● Plug-in (SIMATIC Memory Card), max. |
32 Gbyte; with SIMATIC memory card |
| Backup |
| ● present |
Yes |
| ● maintenance-free |
Yes |
| ● without battery |
Yes |
| CPU processing times |
| for bit operations, typ. |
37 ns; / instruction |
| for word operations, typ. |
30 ns; / instruction |
| for floating point arithmetic, typ. |
74 ns; / instruction |
| CPU-blocks |
| Number of elements (total) |
4 000; Blocks (OB, FB, FC, DB) and UDTs |
| OB |
| ● Number of free cycle OBs |
100 |
| ● Number of time alarm OBs |
20 |
| ● Number of delay alarm OBs |
20 |
| ● Number of cyclic interrupt OBs |
20; with minimum OB 3x cycle of 1 ms |
| ● Number of process alarm OBs |
50 |
| ● Number of DPV1 alarm OBs |
3 |
| ● Number of isochronous mode OBs |
1 |
| ● Number of startup OBs |
100 |
| ● Number of asynchronous error OBs |
4 |
| ● Number of synchronous error OBs |
2 |
| ● Number of diagnostic alarm OBs |
1 |
| Data areas and their retentivity |
| Retentive data area (incl. timers, counters, flags), max. |
20 kbyte |
| Flag |
| ● Size, max. |
8 kbyte; Size of bit memory address area |
| Local data |
| ● per priority class, max. |
64 kbyte; max. 16 KB per block |
| Address area |
| Process image |
| ● Inputs, adjustable |
1 kbyte |
| ● Outputs, adjustable |
1 kbyte |
| Hardware configuration |
| Number of modules per system, max. |
10 |
| Time of day |
| Clock |
| ● Hardware clock (real-time) |
Yes |
| ● Backup time |
480 h; Typical |
| ● Deviation per day, max. |
±60 s/month at 25 °C |
| Digital inputs |
| Number of digital inputs |
14; Integrated |
| ● of which inputs usable for technological functions |
8; HSC (High Speed Counting) |
| Source/sink input |
Yes |
| Number of simultaneously controllable inputs |
| all mounting positions |
| — up to 40 °C, max. |
14 |
| Input voltage |
| ● Rated value (DC) |
24 V |
| ● for signal "0" |
5 V DC or 0.5 mA |
| ● for signal "1" |
15 V DC at 2.5 mA |
| Input delay (for rated value of input voltage) |
| for standard inputs |
| — parameterizable |
0.1 / 0.2 / 0.4 / 0.8 / 1.6 / 3.2 / 6.4 / 10.0 / 12.8 / 20.0 μs; 0.05 / 0.1 / 0.2 / 0.4 / 0.8 / 1.6 / 3.2 / 6.4 / 10.0 / 12.8 / 20.0 ms |
| — at "0" to "1", min. |
0.1 µs |
| — at "0" to "1", max. |
20 ms |
| for interrupt inputs |
| — parameterizable |
Yes |
| for technological functions |
| — parameterizable |
single phase: 6 HSCs @ 100 kHz & 2 standard @ 30 kHz, quadrature phase: 6 HSCs @ 80 kHz & 2 standard @ 20 kHz |
| Cable length |
| ● shielded, max. |
500 m; 50 m for technological functions |
| ● unshielded, max. |
300 m; for technological functions: No |
| Digital outputs |
| Number of digital outputs |
10; 20 kHz or 100 kHz |
| ● of which high-speed outputs |
4; 100 kHz (Qa.0 - Qa.3) |
| Limitation of inductive shutdown voltage to |
L+ (-40 V) |
| Switching capacity of the outputs |
| ● with resistive load, max. |
0.5 A |
| ● on lamp load, max. |
5 W |
| Output voltage |
| ● for signal "0", max. |
0.1 V; with 10 kOhm load |
| ● for signal "1", min. |
20 V |
| Output current |
| ● for signal "1" rated value |
0.5 A |
| ● for signal "0" residual current, max. |
10 µA |
| Output delay with resistive load |
| ● "0" to "1", max. |
1 µs; of the pulse outputs (Qa.0 to Qa.3), max. 1.0 µs; of the standard outputs (Qa.4 to Qb.1), max. 50 µs; |
| ● "1" to "0", max. |
3 µs; of the pulse outputs (Qa.0 to Qa.3), max. 3.0 µs; of the standard outputs (Qa.4 to Qb.1), max. 200 µs; |
| Switching frequency |
| ● of the pulse outputs, with resistive load, max. |
100 kHz; 100 kHz max. (Qa.0 - Qa.3), 20 kHz max. (Qa.4 to Qb.1) |
| Relay outputs |
| ● Number of relay outputs |
0 |
| Cable length |
| ● shielded, max. |
500 m |
| ● unshielded, max. |
150 m |
| Analog inputs |
| Number of analog inputs |
0 |
| Analog outputs |
| Number of analog outputs |
0 |
| Encoder |
| Connectable encoders |
| ● 2-wire sensor |
Yes |
| 1. Interface |
| Interface type |
PROFINET |
| Isolated |
Yes |
| automatic detection of transmission rate |
Yes |
| Autonegotiation |
Yes |
| Autocrossing |
Yes |
| Interface types |
| ● RJ 45 (Ethernet) |
Yes |
| ● Number of ports |
2 |
| ● integrated switch |
Yes |
| Protocols |
| ● IP protocol |
Yes; IPv4 |
| ● PROFINET IO Controller |
Yes |
| ● PROFINET IO Device |
Yes |
| ● SIMATIC communication |
Yes |
| ● Open IE communication |
Yes; Optionally also encrypted |
| ● Web server |
Yes |
| ● Media redundancy |
Yes |
| PROFINET IO Controller |
| ● Transmission rate, max. |
100 Mbit/s |
| Services |
| — PG/OP communication |
Yes; encryption with TLS V1.3 pre-selected |
| — Isochronous mode |
Yes |
| — IRT |
Yes |
| — PROFIenergy |
Yes; per user program |
| — Prioritized startup |
Yes |
| — Number of IO devices with prioritized startup, max. |
16 |
| — Number of connectable IO Devices, max. |
31 |
| — Of which IO devices with IRT, max. |
31 |
| — Number of connectable IO Devices for RT, max. |
31 |
| — of which in line, max. |
31 |
| — Activation/deactivation of IO Devices |
Yes |
| — Number of IO Devices that can be simultaneously activated/deactivated, max. |
8 |
| — Updating time |
The minimum value of the update time also depends on the communication component set for PROFINET IO, on the number of IO devices and the quantity of configured user data. |
| Update time for IRT |
| — for send cycle of 1 ms |
1 ms to 16 ms |
| — for send cycle of 2 ms |
2 ms to 32 ms |
| — for send cycle of 4 ms |
4 ms to 64 ms |
| Update time for RT |
| — for send cycle of 1 ms |
1 ms to 512 ms |
| — for send cycle of 2 ms |
2 ms to 512 ms |
| — for send cycle of 4 ms |
4 ms to 512 ms |
| PROFINET IO Device |
| Services |
| — PG/OP communication |
Yes; encryption with TLS V1.3 pre-selected |
| — Isochronous mode |
No |
| — IRT |
Yes |
| — PROFIenergy |
Yes; per user program |
| — Shared device |
Yes |
| — Number of IO Controllers with shared device, max. |
2 |
| Protocols |
| Supports protocol for PROFINET IO |
Yes |
| PROFIsafe |
No |
| PROFIBUS |
No |
| OPC UA |
No |
| AS-Interface |
No |
| Protocols (Ethernet) |
| ● TCP/IP |
Yes |
| ● DHCP |
Yes |
| ● SNMP |
Yes |
| ● DCP |
Yes |
| ● LLDP |
Yes |
| Number of connections |
| ● Number of connections, max. |
128; via integrated interfaces of the CPU and connected CPs / CMs |
| ● Number of connections reserved for ES/HMI/web |
10 |
| ● Number of connections via integrated interfaces |
88 |
| Redundancy mode |
| Media redundancy |
| — MRP |
Yes; as MRP redundancy manager and/or MRP client |
| — MRPD |
Yes |
| SIMATIC communication |
| ● S7 routing |
No |
| ● S7 communication, as server |
Yes |
| ● S7 communication, as client |
Yes |
| Open IE communication |
| ● TCP/IP |
Yes |
| — Data length, max. |
8 kbyte |
| — several passive connections per port, supported |
Yes |
| ● ISO-on-TCP (RFC1006) |
Yes |
| — Data length, max. |
8 kbyte |
| ● UDP |
Yes |
| — Data length, max. |
2 kbyte; 1 472 bytes for UDP broadcast |
| ● DHCP |
Yes |
| ● DNS |
Yes |
| ● SNMP |
Yes |
| ● DCP |
Yes |
| ● LLDP |
Yes |
| ● Encryption |
Yes; Optional |
| Web server |
| ● supported |
Yes |
| ● HTTPS |
Yes |
| ● web API |
Yes |
| — Number of sessions, max. |
30 |
| ● User-defined websites |
Yes |
| Further protocols |
| ● MODBUS |
Yes |
| communication functions / header |
| S7 communication |
| ● supported |
Yes |
| ● as server |
Yes |
| ● as client |
Yes |
| ● User data per job, max. |
See online help (S7 communication, user data size) |
| Number of connections |
| ● overall |
PG Connections: 4 reserved; HMI Connections: 4 reserved / 82 max; S7 Connections: 78 max; Open User Connections: 78 max; Web Connections: 2 reserved / 80 max; Total Connections: 10 reserved / 88 max |
| S7 message functions |
| Number of login stations for message functions, max. |
32 |
| Program alarms |
Yes |
| Number of configurable program messages, max. |
5 000 |
| Number of loadable program messages in RUN, max. |
2 500 |
| Number of simultaneously active program alarms |
|
| ● Number of program alarms |
600 |
| ● Number of alarms for system diagnostics |
100 |
| ● Number of alarms for motion technology objects |
160 |
| Test commissioning functions |
| Status/control |
| ● Status/control variable |
Yes |
| ● Variables |
Inputs/outputs, memory bits, DBs, distributed I/Os, timers, counters |
| Forcing |
| ● Forcing |
Yes |
| Diagnostic buffer |
| ● present |
Yes |
| Traces |
| ● Number of configurable Traces |
4 |
| ● Memory size per trace, max. |
512 kbyte |
| Interrupts/diagnostics/status information |
| Diagnostics indication LED |
| ● RUN/STOP LED |
Yes |
| ● ERROR LED |
Yes |
| ● MAINT LED |
Yes |
| Supported technology objects |
| Motion Control |
Yes |
| ● Number of available Motion Control resources for technology objects |
800 |
| ● Required Motion Control resources |
|
| — per speed-controlled axis |
40 |
| — per positioning axis |
80 |
| — per synchronous axis |
160 |
| — per external encoder |
80 |
| — per output cam |
20 |
| — per cam track |
160 |
| — per probe |
40 |
| ● Number of available Extended Motion Control resources for technology objects |
40 |
| ● Required Extended Motion Control resources |
|
| — per cam (1 000 points and 50 segments) |
2; 1000 points and 1 segment |
| — for each set of kinematics |
30 |
| ● kinematics functions |
|
| — kinematics with up to 4 interpolating axes |
Yes |
| — kinematics with 5 or more interpolating axes |
No |
| — user-defined kinematics |
No |
| — SIMATIC Safe Kinematics |
No |
| ● Positioning axis |
|
| — Number of positioning axes at motion control cycle of 4 ms (typical value) |
10 |
| — Number of positioning axes at motion control cycle of 8 ms (typical value) |
10 |
| Integrated Functions |
| Counter |
Yes |
| ● Number of counters |
8 |
| ● Counting frequency, max. |
100 kHz; Ia.0 to Ia.5: 100 kHz (80 kHz in quadrature mode), Ia.6 to Ib.5: 30 kHz (20 kHz in quadrature mode) |
| Frequency measurement |
Yes |
| PID controller |
Yes |
| Number of pulse outputs |
8; individually assigned to CPU and Signal Board |
| Limit frequency (pulse) |
100 kHz |
| Potential separation |
| Potential separation digital inputs |
| ● Potential separation digital inputs |
Yes; field side to logic: 707 V DC (type test) |
| ● between the channels |
No |
| ● Number of potential groups |
1 |
| Potential separation digital outputs |
| ● Potential separation digital outputs |
Yes |
| ● between the channels |
No |
| ● Number of potential groups |
1 |
| EMC |
| Interference immunity against discharge of static electricity |
| ● Interference immunity against discharge of static electricity acc. to IEC 61000-4-2 |
Yes |
| — Test voltage at air discharge |
8 kV |
| — Test voltage at contact discharge |
6 kV |
| Interference immunity to cable-borne interference |
| ● Interference immunity on supply lines acc. to IEC 61000-4-4 |
Yes |
| ● Interference immunity on signal cables acc. to IEC 61000-4-4 |
Yes |
| Interference immunity against voltage surge |
| ● Interference immunity on supply lines acc. to IEC 61000-4-5 |
Yes |
| Interference immunity against conducted variable disturbance induced by high-frequency fields |
| ● Interference immunity against high-frequency radiation acc. to IEC 61000-4-6 |
Yes |
| Emission of radio interference acc. to EN 55 011 |
| ● Limit class A, for use in industrial areas |
Yes; Group 1 |
| ● Limit class B, for use in residential areas |
Yes; When appropriate measures are used to ensure compliance with the limits for Class B according to EN 55011 |
| Degree and class of protection |
| IP degree of protection |
IP20 |
| Standards, approvals, certificates |
| Siemens Eco Profile (SEP) |
Siemens EcoTech |
| CE mark |
Yes |
| UL approval |
Yes |
| cULus |
Yes |
| FM approval |
No |
| RCM (formerly C-TICK) |
Yes |
| KC approval |
Yes |
| Marine approval |
No |
| Ecological footprint |
| ● environmental product declaration |
Yes; type 2 acc. to ISO 14021 |
| Global warming potential |
| — global warming potential, (total) [CO2 eq] |
68 kg |
| — global warming potential, (during production) [CO2 eq] |
14.4 kg |
| — global warming potential, (during operation) [CO2 eq] |
54.2 kg |
| — global warming potential, (after end of life cycle) [CO2 eq] |
-0.723 kg |
| product functions / security / header |
| signed firmware update |
Yes |
| Secure Boot |
Yes |
| safely removing data |
No |
| Ambient conditions |
| Free fall |
| ● Fall height, max. |
0.3 m; five times, in product package |
| Ambient temperature during operation |
| ● min. |
-20 °C; No condensation |
| ● max. |
40 °C; at max. voltages and max. specifications |
| ● horizontal installation, min. |
-20 °C; No condensation |
| ● horizontal installation, max. |
60 °C; at rated voltages, 50 % of max. specification and alternate IO active |
| ● vertical installation, min. |
-20 °C; No condensation |
| ● vertical installation, max. |
50 °C; at rated voltages, 50 % of max. specification and alternate IO active |
| Ambient temperature during storage/transportation |
| ● min. |
-40 °C |
| ● max. |
70 °C |
| Air pressure acc. to IEC 60068-2-13 |
| ● Operation, min. |
540 hPa |
| ● Operation, max. |
1 140 hPa |
| ● Storage/transport, min. |
540 hPa |
| ● Storage/transport, max. |
1 140 hPa |
| Altitude during operation relating to sea level |
| ● Installation altitude, min. |
-1 000 m |
| ● Installation altitude, max. |
5 000 m; Restrictions for installation altitudes > 2 000 m, see manual |
| Relative humidity |
| ● Operation, max. |
95 %; no condensation |
| Vibrations |
| ● Vibration resistance during operation acc. to IEC 60068-2-6 |
3.5 mm from 5 - 8.4 Hz, 1g from 8.4 - 150 Hz |
| ● Operation, tested according to IEC 60068-2-6 |
Yes |
| Shock testing |
| ● tested according to IEC 60068-2-27 |
Yes; IEC 68, Part 2-27 half-sine: strength of the shock 15 g (peak value), duration 11 ms |
| Pollutant concentrations |
| ● SO2 at RH < 60% without condensation |
S02: < 0.5 ppm; H2S: < 0.1 ppm; RH < 60 % condensation-free |
| configuration / header |
| configuration / programming / header |
| Programming language |
| — LAD |
Yes |
| — FBD |
Yes |
| — SCL |
Yes |
| Know-how protection |
| ● User program protection/password protection |
Yes |
| Access protection |
| ● protection of confidential configuration data |
Yes |
| ● Protection level: Write protection |
Yes |
| ● Protection level: Read/write protection |
Yes |
| ● Protection level: Complete protection |
Yes |
| ● User administration |
Yes; device-wide |
| ● Number of users |
100 |
| ● Number of groups |
100 |
| ● Number of roles |
50 |
| programming / cycle time monitoring / header |
| ● adjustable |
Yes |
| Dimensions |
| Width |
80 mm |
| Height |
125 mm |
| Depth |
100 mm |
| Weights |
| Weight, approx. |
352 g |