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SIMATIC S7-1200, CPU 1211C, COMPACT CPU, DC/DC/RELAY, ONBOARD I/O: 6 DI 24V DC; 4 DO RELAY 2A; 2 AI 0 - 10V DC, POWER SUPPLY: AC 20.4 - 28.8 V DC, PROGRAM/DATA MEMORY: 25 KB |
| General information |
| Engineering with |
| ● Programming package |
STEP 7 V10.5 or higher |
| Display |
| with display |
No |
| Supply voltage |
| 24 V DC |
Yes |
| permissible range, lower limit (DC) |
20.4 V |
| permissible range, upper limit (DC) |
28.8 V |
| Load voltage L |
| ● Rated value (DC) |
24 V |
| ● permissible range, lower limit (DC) |
20.4 V |
| ● permissible range, upper limit (DC) |
28.8 V |
| Input current |
| Current consumption (rated value) |
300 mA; Typical |
| Current consumption, max. |
0.9 A; 24 V DC |
| Inrush current, max. |
12 A; at 28.8 V DC |
| Encoder supply |
| 24 V encoder supply |
| ● 24 V |
Permissible range: 20.4V to 28.8V |
| Output current |
| Current output to backplane bus (DC 5 V), max. |
750 mA; Max. 5 V DC for SM and CM |
| Power losses |
| Power loss, typ. |
8 W |
| Memory |
| Type of memory |
other |
| Usable memory for user data |
25 kbyte |
| Work memory |
| ● Integrated |
25 kbyte |
| ● expandable |
No |
| Load memory |
| ● Integrated |
1 Mbyte |
| ● Plug-in (SIMATIC Memory Card), max. |
24 Mbyte; with SIMATIC memory card |
| Backup |
| ● present |
Yes; Entire project maintenance-free in the integral EEPROM |
| ● without battery |
Yes |
| CPU processing times |
| for bit operations, typ. |
0.1 µs; / Operation |
| for word operations, typ. |
12 µs; / Operation |
| for floating point arithmetic, typ. |
18 µs; / Operation |
| CPU-blocks |
| Number of blocks (total) |
DBs, FCs, FBs, counters and timers. The maximum number of addressable blocks ranges from 1 to 65535. There is no restriction, the entire working memory can be used |
| OB |
| ● Number, max. |
Limited only by RAM for code |
| Data areas and their retentivity |
| retentive data area in total (incl. times, counters, flags), max. |
2 048 byte |
| Flag |
| ● Number, max. |
4 kbyte; Size of bit memory address area |
| Address area |
| I/O address area |
| ● Inputs |
1 024 byte |
| ● Outputs |
1 024 byte |
| Process image |
| ● Inputs, adjustable |
1 kbyte |
| ● Outputs, adjustable |
1 kbyte |
| Hardware configuration |
| Number of modules per system, max. |
3 communication modules, 1 signal board |
| Time of day |
| Clock |
| ● Hardware clock (real-time clock) |
Yes |
| ● Deviation per day, max. |
/- 60 s/month at 25 °C |
| ● Backup time |
240 h; Typical |
| Digital inputs |
| Number of digital inputs |
6; Integrated |
| ● of which, inputs usable for technological functions |
3; HSC (High Speed Counting) |
| integrated channels (DI) |
6 |
| m/p-reading |
Yes |
| Input voltage |
| ● Rated value, DC |
24 V |
| ● for signal "0" |
5 V DC at 1 mA |
| ● for signal "1" |
15 VDC at 2.5 mA |
| Input current |
| ● for signal "1", typ. |
1 mA |
| Input delay (for rated value of input voltage) |
| for standard inputs |
| — Parameterizable |
0.2 ms, 0.4 ms, 0.8 ms, 1.6 ms, 3.2 ms, 6.4 ms and 12.8 ms, selectable in groups of four |
| — at "0" to "1", min. |
0.2 ms |
| — at "0" to "1", max. |
12.8 ms |
| for interrupt inputs |
| — Parameterizable |
Yes |
| for counter/technological functions |
| — Parameterizable |
Single phase : 3 at 100 kHz, differential: 3 at 80 kHz |
| Cable length |
| ● Cable length, shielded, max. |
500 m; 50 m for technological functions |
| ● Cable length unshielded, max. |
300 m; For technological functions: No |
| Digital outputs |
| Number of digital outputs |
4; Relays |
| integrated channels (DO) |
4 |
| short-circuit protection |
No; to be provided externally |
| Switching capacity of the outputs |
| ● with resistive load, max. |
2 A |
| ● on lamp load, max. |
30 W with DC, 200 W with AC |
| Output delay with resistive load |
| ● "0" to "1", max. |
10 ms; max. |
| ● "1" to "0", max. |
10 ms; max. |
| Parallel switching of 2 outputs |
| ● for increased power |
No |
| Switching frequency |
| ● of the pulse outputs, with resistive load, max. |
1 Hz |
| Relay outputs |
| ● Max. number of relay outputs, integrated |
4 |
| ● Number of relay outputs |
4 |
| ● Number of operating cycles, max. |
mechanically 10 million, at rated load voltage 100,000 |
| Cable length |
| ● Cable length, shielded, max. |
500 m |
| ● Cable length unshielded, max. |
150 m |
| Analog inputs |
| Number of analog inputs |
2 |
| Integrated channels (AI) |
2; 0 to 10 V |
| Number of analog inputs for voltage/current measurement |
2 |
| Input ranges |
| ● Voltage |
Yes |
| Input ranges (rated values), voltages |
| ● 0 to 10 V |
Yes |
| ● Input resistance (0 to 10 V) |
≥100k ohms |
| Cable length |
| ● Cable length, shielded, max. |
100 m; twisted and shielded |
| Analog outputs |
| Cable length |
| ● Cable length, shielded, max. |
100 m; Shielded, twisted wire pair |
| Analog value creation |
| Integration and conversion time/resolution per channel |
| ● Resolution with overrange (bit including sign), max. |
10 bit |
| ● Integration time, parameterizable |
Yes |
| ● Conversion time (per channel) |
625 µs |
| Encoder |
| Connectable encoders |
| ● 2-wire sensor |
Yes |
| 1st interface |
| Interface type |
PROFINET |
| Physics |
Ethernet |
| Isolated |
Yes |
| Automatic detection of transmission speed |
Yes |
| Autonegotiation |
Yes |
| Autocrossing |
Yes |
| Functionality |
| ● PROFINET IO Controller |
Yes |
| Communication functions |
| S7 communication |
| ● supported |
Yes |
| ● as server |
Yes |
| Open IE communication |
| ● TCP/IP |
Yes |
| ● ISO-on-TCP (RFC1006) |
Yes |
| Web server |
| ● supported |
Yes |
| ● User-defined websites |
Yes |
| Number of connections |
| ● overall |
15; dynamically |
| Test commissioning functions |
| Status/control |
| ● Status/control variable |
Yes |
| ● Variables |
Inputs/outputs, memory bits, DBs, distributed I/Os, timers, counters |
| Forcing |
| ● Forcing |
Yes |
| Integrated Functions |
| Number of counters |
3 |
| Counter frequency (counter) max. |
100 kHz |
| Frequency meter |
Yes |
| controlled positioning |
Yes |
| PID controller |
Yes |
| Number of alarm inputs |
4 |
| Galvanic isolation |
| Galvanic isolation digital inputs |
| ● Galvanic isolation digital inputs |
No |
| ● between the channels, in groups of |
1 |
| Galvanic isolation digital outputs |
| ● Galvanic isolation digital outputs |
Relays |
| ● between the channels |
No |
| ● between the channels, in groups of |
1 |
| Permissible potential difference |
| between different circuits |
500 V DC between 24 V DC and 5 V DC |
| 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 lines acc. to IEC 61000-4-4 |
Yes |
| Surge immunity |
| ● on the supply lines acc. to IEC 61000-4-5 |
Yes |
| Immunity against conducted interference 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 |
| Degree of protection to EN 60529 |
|
| ● IP20 |
Yes |
| Standards, approvals, certificates |
| CE mark |
Yes |
| cULus |
Yes |
| RCM (formerly C-TICK) |
Yes |
| FM approval |
Yes |
| Ambient conditions |
| Operating temperature |
| ● Min. |
0 °C |
| ● max. |
55 °C |
| ● horizontal installation, min. |
0 °C |
| ● horizontal installation, max. |
55 °C |
| ● vertical installation, min. |
0 °C |
| ● vertical installation, max. |
45 °C |
| Storage/transport temperature |
| ● Min. |
-40 °C |
| ● max. |
70 °C |
| Air pressure |
| ● Operation, min. |
795 hPa |
| ● Operation, max. |
1 080 hPa |
| ● Storage/transport, min. |
660 hPa |
| ● Storage/transport, max. |
1 080 hPa |
| Relative humidity |
| ● Operation, max. |
95 %; no condensation |
| Vibrations |
| ● Vibrations |
2G wall mounting, 1G DIN rail |
| ● Operation, checked according to IEC 60068-2-6 |
Yes |
| Shock test |
| ● checked 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 |
| Climatic and mechanical conditions for storage and transport |
| Climatic conditions for storage and transport |
| Free fall |
| — Drop height, max. (in packaging) |
0.3 m; five times, in dispatch package |
| Temperature |
| — Permissible temperature range |
-40 °C to 70 °C |
| Relative humidity |
| — Permissible range (without condensation) at 25 °C |
95 % |
| Mechanical and climatic conditions during operation |
| Climatic conditions in operation |
| Temperature |
| — Permissible temperature range |
0 °C to 55 °C horizontal installation, 0 °C to 45 °C vertical installation |
| — Permissible temperature change |
5°C to 55°C, 3°C / minute |
| Air pressure acc. to IEC 60068-2-13 |
| — Permissible air pressure |
1080 to 795 hPa |
| — Permissible operating height |
-1000 to 2000 m |
| Pollutant concentrations |
| — SO2 at RH < 60% without condensation |
S02: < 0.5 ppm; H2S: < 0.1 ppm; RH < 60% condensation-free |
| Configuration |
| programming |
| Programming language |
| — LAD |
Yes |
| — FBD |
Yes |
| — SCL |
Yes |
| Cycle time monitoring |
| ● can be set |
Yes |
| Dimensions |
| Width |
90 mm |
| Height |
100 mm |
| Depth |
75 mm |
| Weights |
| Weight, approx. |
380 g |
| last modified: |
18.09.2014 |
