Data sheet 6ES7212-1AE40-0XB0

SIMATIC S7-1200, CPU 1212C, COMPACT CPU, DC/DC/DC,

ONBOARD I/O: 8 DI 24V DC; 6 DO 24 V DC; 2 AI 0 - 10V DC,
POWER SUPPLY: DC 20.4 - 28.8 V DC, PROGRAM/DATA
MEMORY: 75 KB

General information
Product type designation CPU 1212C DC/DC/DC
Engineering with
● Programming package STEP 7 V13 SP1 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
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; Typical
Inrush current, max. 12 A; at 28.8 V DC

Output current

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 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 Permissible range: 20.4V to 28.8V

Power loss
Power loss, typ. 9 W

Memory
Work memory
● integrated 50 kbyte
● expandable No
Load memory
● integrated 1 Mbyte
● Plug-in (SIMATIC Memory Card), max. 2 Gbyte; with SIMATIC memory card
Backup
● present Yes; maintenance-free
● without battery Yes

CPU processing times

for bit operations, typ. 0.085 µs; / Operation
for word operations, typ. 1.7 µs; / Operation
for floating point arithmetic, typ. 2.3 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 (incl. timers, counters, flags), 10 kbyte
max.
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 comm. modules, 1 signal board, 2 signal modules

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 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 6; HSC (High Speed Counting)
functions
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 current
● for signal "1", typ. 1 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 counter/technological functions
— parameterizable Single phase: 3 @ 100 kHz & 1 @ 30 kHz, differential: 3 @ 80
kHz & 1 @ 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
Short-circuit protection No; to be provided externally
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

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 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. 3 µs
Switching frequency
● of the pulse outputs, with resistive load, max. 100 kHz
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
Cable length
● shielded, max. 100 m; shielded, twisted pair

Analog value generation for the inputs

Integration and conversion time/resolution per channel
● Resolution with overrange (bit including sign), 10 bit
max.
● Integration time, parameterizable Yes
● Conversion time (per channel) 625 µs

Encoder
Connectable encoders
● 2-wire sensor Yes

1. Interface
Interface type PROFINET
Physics Ethernet
Isolated Yes

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 automatic detection of transmission rate Yes
Autonegotiation Yes
Autocrossing Yes
Functionality
● PROFINET IO Controller Yes
● PROFINET IO Device Yes
PROFINET IO Controller
Services
— Number of IO devices with prioritized 16
startup, max.

Protocols
Supports protocol for PROFINET IO Yes
PROFIBUS Yes; CM 1243-5 required
AS-Interface Yes
Protocols (Ethernet)
● TCP/IP Yes
Open IE communication
● ISO-on-TCP (RFC1006) Yes
Further protocols
● MODBUS Yes

Communication functions
S7 communication
● supported Yes
● as server Yes
● as client Yes
Open IE communication
● TCP/IP Yes
● UDP Yes
Web server
● supported Yes
● User-defined websites Yes

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

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 ● Number of configurable Traces 2; Up to 512 KB of data per trace are possible

Integrated Functions
Number of counters 6
Counting frequency (counter) max. 100 kHz
Frequency meter Yes
controlled positioning Yes
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 500V AC for 1 minute
● between the channels, in groups of 1
Potential separation digital outputs
● Potential separation digital outputs 500V AC for 1 minute
● 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 Yes
static electricity acc. to IEC 61000-4-2
— 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 Yes
IEC 61000-4-4
● Interference immunity on signal cables acc. to Yes
IEC 61000-4-4
Interference immunity against voltage surge
● on the 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 Yes
radiation acc. to IEC 61000-4-6
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 acc. to EN 60529

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 ● IP20 Yes

Standards, approvals, certificates

CE mark Yes
UL approval Yes
cULus Yes
FM approval Yes
RCM (formerly C-TICK) 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
● permissible operating height -1000 to 2000 m
Relative humidity
● Operation, max. 95 %; no condensation
Vibrations
● Vibrations 2 g (m/s²) wall mounting, 1 g (m/s²) DIN rail
● Operation, tested according to IEC 60068-2-6 Yes
Shock test
● 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
Programming

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 Programming language
— LAD Yes
— FBD Yes
— SCL Yes
Cycle time monitoring
● adjustable Yes

Dimensions
Width 90 mm
Height 100 mm
Depth 75 mm

Weights
Weight, approx. 370 g

last modified: 08/25/2017

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