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General information | ||||
Product type designation | CPU 1212C DC/DC/DC | |||
Firmware version | V4.6 | |||
Engineering with | ||||
● Programming package | STEP 7 V18 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 | |||
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) | 400 mA; CPU only | |||
Current consumption, max. | 1 200 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. | 1 000 mA; Max. 5 V DC for SM and CM | |||
Encoder supply | ||||
24 V encoder supply | ||||
● 24 V | L+ minus 4 V DC min. | |||
Power loss | ||||
Power loss, typ. | 9 W | |||
Memory | ||||
Work memory | ||||
● integrated | 100 kbyte | |||
Load memory | ||||
● integrated | 2 Mbyte | |||
● Plug-in (SIMATIC Memory Card), max. | with SIMATIC memory card | |||
Backup | ||||
● present | Yes | |||
● maintenance-free | Yes | |||
● without battery | Yes | |||
CPU processing times | ||||
for bit operations, typ. | 0.08 µs; / instruction | |||
for word operations, typ. | 1.7 µs; / instruction | |||
for floating point arithmetic, typ. | 2.3 µs; / instruction | |||
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 (incl. timers, counters, flags), max. | 14 kbyte | |||
Flag | ||||
● Size, max. | 4 kbyte; Size of bit memory address area | |||
Local data | ||||
● per priority class, max. | 16 kbyte; Priority class 1 (program cycle): 16 KB, priority class 2 to 26: 6 KB | |||
Address area | ||||
Process image | ||||
● Inputs, adjustable | 1 kbyte | |||
● Outputs, adjustable | 1 kbyte | |||
Hardware configuration | ||||
Number of modules per system, max. | 3 comm. modules, 1 signal board, 2 signal modules | |||
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 | 8; Integrated | |||
● of which inputs usable for technological functions | 6; HSC (High Speed Counting) | |||
Source/sink input | Yes | |||
Number of simultaneously controllable inputs | ||||
all mounting positions | ||||
— up to 40 °C, max. | 8 | |||
Input voltage | ||||
● Rated value (DC) | 24 V | |||
● for signal "0" | 5 V DC at 1 mA | |||
● for signal "1" | 15 V DC at 2.5 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 technological functions | ||||
— parameterizable | Single phase: 3 @ 100 kHz & 3 @ 30 kHz, differential: 3 @ 80 kHz & 3 @ 30 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 | 6 | |||
● of which high-speed outputs | 4; 100 kHz Pulse Train Output | |||
Limitation of inductive shutdown voltage to | L+ (-48 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. | 0.1 mA | |||
Output delay with resistive load | ||||
● "0" to "1", max. | 1 µs | |||
● "1" to "0", max. | 5 µs | |||
Switching frequency | ||||
● of the pulse outputs, with resistive load, max. | 100 kHz | |||
Relay outputs | ||||
● Number of relay outputs | 0 | |||
Cable length | ||||
● shielded, max. | 500 m | |||
● unshielded, max. | 150 m | |||
Analog inputs | ||||
Number of analog inputs | 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 | ||||
● shielded, max. | 100 m; twisted and shielded | |||
Analog outputs | ||||
Number of analog outputs | 0 | |||
Analog value generation for the inputs | ||||
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 | |||
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 | 1 | |||
● integrated switch | No | |||
Protocols | ||||
● PROFINET IO Controller | Yes | |||
● PROFINET IO Device | Yes | |||
● SIMATIC communication | Yes | |||
● Open IE communication | Yes; Optionally also encrypted | |||
● Web server | Yes | |||
● Media redundancy | No | |||
PROFINET IO Controller | ||||
● Transmission rate, max. | 100 Mbit/s | |||
Services | ||||
— PG/OP communication | Yes; encryption with TLS V1.3 pre-selected | |||
— Isochronous mode | No | |||
— IRT | No | |||
— PROFIenergy | No | |||
— Prioritized startup | Yes | |||
— Number of IO devices with prioritized startup, max. | 16 | |||
— Number of connectable IO Devices, max. | 16 | |||
— Number of connectable IO Devices for RT, max. | 16 | |||
— of which in line, max. | 16 | |||
— 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. | |||
PROFINET IO Device | ||||
Services | ||||
— PG/OP communication | Yes; encryption with TLS V1.3 pre-selected | |||
— Isochronous mode | No | |||
— IRT | No | |||
— PROFIenergy | Yes | |||
— Shared device | Yes | |||
— Number of IO Controllers with shared device, max. | 2 | |||
Protocols | ||||
Supports protocol for PROFINET IO | Yes | |||
PROFIsafe | No | |||
PROFIBUS | Yes; CM 1243-5 (master) or CM 1242-5 (slave) required | |||
OPC UA | Yes; OPC UA Server | |||
AS-Interface | Yes; CM 1243-2 required | |||
Protocols (Ethernet) | ||||
● TCP/IP | Yes | |||
● DHCP | No | |||
● SNMP | Yes | |||
● DCP | Yes | |||
● LLDP | Yes | |||
Redundancy mode | ||||
Media redundancy | ||||
— MRP | No | |||
— MRPD | No | |||
SIMATIC communication | ||||
● S7 routing | 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. | 1 472 byte | |||
Web server | ||||
● supported | Yes | |||
● User-defined websites | Yes | |||
OPC UA | ||||
● Runtime license required | Yes; "Basic" license required | |||
● OPC UA Server | Yes; data access (read, write, subscribe), method call, runtime license required | |||
— Application authentication | Available security policies: None, Basic128Rsa15, Basic256Rsa15, Basic256Sha256 | |||
— User authentication | "anonymous" or by user name & password | |||
— Number of sessions, max. | 10 | |||
— Number of subscriptions per session, max. | 5 | |||
— Sampling interval, min. | 100 ms | |||
— Publishing interval, min. | 200 ms | |||
— Number of server methods, max. | 20 | |||
— Number of monitored items, recommended max. | 1 000 | |||
— Number of server interfaces, max. | 2 | |||
— Number of nodes for user-defined server interfaces, max. | 2 000 | |||
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 / 4 max; HMI Connections: 12 reserved / 18 max; S7 Connections: 8 reserved / 14 max; Open User Connections: 8 reserved / 14 max; Web Connections: 2 reserved / 30 max; OPC UA Connections: 0 reserved / 10 max; Total Connections: 34 reserved / 64 max | |||
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 | 2 | |||
● Memory size per trace, max. | 512 kbyte | |||
Interrupts/diagnostics/status information | ||||
Diagnostics indication LED | ||||
● RUN/STOP LED | Yes | |||
● ERROR LED | Yes | |||
● MAINT LED | Yes | |||
Integrated Functions | ||||
Frequency measurement | Yes | |||
controlled positioning | Yes | |||
Number of position-controlled positioning axes, max. | 8 | |||
Number of positioning axes via pulse-direction interface | 4; With integrated outputs | |||
PID controller | Yes | |||
Number of alarm inputs | 4 | |||
Number of pulse outputs | 4 | |||
Limit frequency (pulse) | 100 kHz | |||
Potential separation | ||||
Potential separation digital inputs | ||||
● Potential separation digital inputs | No | |||
● between the channels, in groups of | 1 | |||
Potential separation digital outputs | ||||
● Potential separation digital outputs | Yes | |||
● between the channels | No | |||
● between the channels, in groups of | 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 | ||||
CE mark | Yes | |||
UL approval | Yes | |||
cULus | Yes | |||
FM approval | Yes | |||
RCM (formerly C-TICK) | Yes | |||
KC approval | Yes | |||
Marine approval | Yes | |||
Ambient conditions | ||||
Free fall | ||||
● Fall height, max. | 0.3 m; five times, in product package | |||
Ambient temperature during operation | ||||
● min. | -20 °C | |||
● max. | 60 °C; Number of simultaneously activated inputs or outputs 4 or 3 (no adjacent points) at 60 °C horizontal or 50 °C vertical, 8 or 6 at 55 °C horizontal or 45 °C vertical | |||
● horizontal installation, min. | -20 °C | |||
● horizontal installation, max. | 60 °C | |||
● vertical installation, min. | -20 °C | |||
● vertical installation, max. | 50 °C | |||
Ambient temperature during storage/transportation | ||||
● min. | -40 °C | |||
● max. | 70 °C | |||
Air pressure acc. to IEC 60068-2-13 | ||||
● Operation, min. | 795 hPa | |||
● Operation, max. | 1 080 hPa | |||
● Storage/transport, min. | 660 hPa | |||
● Storage/transport, max. | 1 080 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 | 2 g (m/s²) wall mounting, 1 g (m/s²) DIN rail | |||
● 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 | |||
● Copy protection | Yes | |||
● Block 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 | |||
programming / cycle time monitoring / header | ||||
● adjustable | Yes | |||
Dimensions | ||||
Width | 90 mm | |||
Height | 100 mm | |||
Depth | 75 mm | |||
Weights | ||||
Weight, approx. | 370 g |