SIEMENS- 6ES7211-1AE40-0XB0

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

● 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
● Outputs, adjustable

1 kbyte
1 kbyte

Hardware configuration

Number of modules per system, max.

3 communication modules, 1 signal board

Time of day

Clock

● Hardware clock (real-time)
● Backup time
● Deviation per day, max.

Yes
480 h; Typical
±60 s/month at 25 °C

Digital inputs

Number of digital inputs
● of which inputs usable for technological functions

6; Integrated
6; HSC (High Speed Counting) Yes

Source/sink input

Number of simultaneously controllable inputs

all mounting positions

— up to 40 °C, max.

Input voltage

● Rated value (DC)
● for signal “0”
● for signal “1”

24 V
5 V DC at 1 mA
15 V DC at 2.5 mA

Input current

● for signal “1”, typ.

4 mA; nominal

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.

0.2 ms

— at “0” to “1”, max.

12.8 ms

for interrupt inputs

— parameterizable

Yes

for technological functions

— parameterizable

Single phase : 3 @ 100 kHz, differential: 3 @ 80 kHz

Cable length

● shielded, max.
● unshielded, max.

500 m; 50 m for technological functions 300 m; for technological functions: No

Digital outputs

Number of digital outputs

● 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.
● for signal “1”, min.

0.1 V; with 10 kOhm load
20 V

Output current

● for signal “1” rated value
● for signal “0” residual current, max.

0.5 A
0.1 mA

Output delay with resistive load

● “0” to “1”, max.
● “1” to “0”, max.

1 µs
5 µs

Switching frequency

● of the pulse outputs, with resistive load, max.

100 kHz

Relay outputs

● Number of relay outputs

Cable length

● shielded, max.
● unshielded, max.

500 m
150 m

Analog inputs

Number of analog inputs

Input ranges

● Voltage

Yes

Input ranges (rated values), voltages

● 0 to +10 V
— Input resistance (0 to 10 V)

Yes
≥100k ohms

Cable length

● shielded, max.

100 m; twisted and shielded

Analog outputs

Number of analog outputs

Analog value generation for the inputs

Integration and conversion time/resolution per channel

● Resolution with overrange (bit including sign), max.
● Integration time, parameterizable
● Conversion time (per channel)

10 bit Yes
625 µs

Encoder

Connectable encoders

● 2-wire sensor

Yes

1. Interface

Interface type

PROFINET
Yes Yes Yes Yes

Isolated

automatic detection of transmission rate

Autonegotiation

Autocrossing

Interface types

● RJ 45 (Ethernet)
● Number of ports
● integrated switch

Yes 1
No

Protocols

● PROFINET IO Controller
● PROFINET IO Device
● SIMATIC communication
● Open IE communication
● Web server
● Media redundancy

Yes Yes Yes
Yes; Optionally also encrypted Yes
No

PROFINET IO Controller

● Transmission rate, max.

100 Mbit/s

Services

— PG/OP communication
— Isochronous mode
— IRT
— PROFIenergy
— Prioritized startup
— Number of IO devices with prioritized startup, max.
— Number of connectable IO Devices, max.
— Number of connectable IO Devices for RT, max.

Yes; encryption with TLS V1.3 pre-selected No
No No Yes 16
16
16

— of which in line, max.
— Activation/deactivation of IO Devices
— Number of IO Devices that can be simultaneously activated/deactivated, max.
— Updating time

16
Yes 8
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
— Isochronous mode
— IRT
— PROFIenergy
— Shared device
— Number of IO Controllers with shared device, max.

Yes; encryption with TLS V1.3 pre-selected No
No Yes Yes
2

Protocols

Supports protocol for PROFINET IO

Yes No
Yes; CM 1243-5 (master) or CM 1242-5 (slave) required Yes; OPC UA Server
Yes; CM 1243-2 required

PROFIsafe

PROFIBUS

OPC UA

AS-Interface

Protocols (Ethernet)

● TCP/IP
● DHCP
● SNMP
● DCP
● LLDP

Yes No Yes Yes Yes

Redundancy mode

Media redundancy

— MRP
— MRPD

No No

SIMATIC communication

● S7 routing

Yes

Open IE communication

● TCP/IP
— Data length, max.
— several passive connections per port, supported
● ISO-on-TCP (RFC1006)
— Data length, max.
● UDP
— Data length, max.

Yes
8 kbyte Yes Yes
8 kbyte Yes
1 472 byte

Web server

● supported
● User-defined websites

Yes Yes

OPC UA

● Runtime license required
● OPC UA Server
— Application authentication
— User authentication
— Number of sessions, max.
— Number of subscriptions per session, max.
— Sampling interval, min.
— Publishing interval, min.
— Number of server methods, max.
— Number of monitored items, recommended max.
— Number of server interfaces, max.
— Number of nodes for user-defined server interfaces, max.

Yes; “Basic” license required
Yes; Data access (read, write, subscribe), runtime license required
Available security policies: None, Basic128Rsa15, Basic256Rsa15,
Basic256Sha256
“anonymous” or by user name & password 10
5
100 ms
200 ms
20
1 000
2
2 000

Further protocols

● MODBUS

Yes

communication functions / header

S7 communication

● supported
● as server
● as client
● User data per job, max.

Yes Yes Yes
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
● Variables

Yes
Inputs/outputs, memory bits, DBs, distributed I/Os, timers, counters

Forcing

● Forcing

Yes

Diagnostic buffer

● present

Yes

Traces

● Number of configurable Traces
● Memory size per trace, max.

2
512 kbyte

Interrupts/diagnostics/status information

Diagnostics indication LED

● RUN/STOP LED
● ERROR LED
● MAINT LED

Yes
Yes Yes

Integrated Functions

Counter
● Number of counters
● Counting frequency, max.

6
100 kHz Yes Yes
8
4; With integrated outputs Yes
4
4
100 kHz

Frequency measurement

controlled positioning

Number of position-controlled positioning axes, max.

Number of positioning axes via pulse-direction interface

PID controller

Number of alarm inputs

Number of pulse outputs

Limit frequency (pulse)

Potential separation

Potential separation digital inputs

● Potential separation digital inputs
● between the channels, in groups of

No 1

Potential separation digital outputs

● Potential separation digital outputs
● between the channels
● between the channels, in groups of

Yes
No 1

EMC

Interference immunity against discharge of static electricity

● Interference immunity against discharge of static electricity acc. to IEC 61000-4-2
— Test voltage at air discharge
— Test voltage at contact discharge

Yes
8 kV
6 kV

Interference immunity to cable-borne interference

● Interference immunity on supply lines acc. to IEC 61000- 4-4
● Interference immunity on signal cables acc. to IEC 61000- 4-4

Yes
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
● Limit class B, for use in residential areas

Yes; Group 1
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 Yes Yes Yes Yes Yes
Yes

UL approval

cULus

FM approval

RCM (formerly C-TICK)

KC approval

Marine approval

Ambient conditions

Free fall

● Fall height, max.

0.3 m; five times, in product package

Ambient temperature during operation

● min.
● max.
● horizontal installation, min.
● horizontal installation, max.
● vertical installation, min.
● vertical installation, max.

-20 °C
60 °C
-20 °C
60 °C
-20 °C
50 °C

Ambient temperature during storage/transportation

● min.
● max.

-40 °C
70 °C

Air pressure acc. to IEC 60068-2-13

● Operation, min.
● Operation, max.
● Storage/transport, min.
● Storage/transport, max.

795 hPa
1 080 hPa
660 hPa
1 080 hPa

Altitude during operation relating to sea level

● Installation altitude, min.
● Installation altitude, max.

-1 000 m
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
● Operation, tested according to IEC 60068-2-6

2 g (m/s²) wall mounting, 1 g (m/s²) DIN rail
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
— FBD
— SCL

Yes
Yes Yes

Know-how protection

● User program protection/password protection
● Copy protection
● Block protection

Yes Yes Yes

Access protection

● protection of confidential configuration data
● Protection level: Write protection
● Protection level: Read/write protection
● Protection level: Complete protection

Yes Yes Yes
Yes

programming / cycle time monitoring / header

● adjustable

Yes

Dimensions

Width

90 mm
100 mm
75 mm

Height

Depth

Weights

Weight, approx.

370 g

Dimensions	90 × 100 × 75 cm
Product type designation	CPU 1211C DC/DC/DC
Firmware version	V4.5
Programming package	STEP 7 V17 or higher
Rated value (DC) ● 24 V DC	yes
permissible range, lower limit (DC)	20.4 V
Reverse polarity protection	yes
Load voltage/Rated value (DC)	24 V
Load voltage/permissible range, lower limit (DC)	20.4 V
Load voltage L+/	28.8 V
Current consumption, max	900 mA; CPU with all expansion modules
Inrush current, max.	12 A; at 28.8 V DC
I²t	0.5 A²·s
for backplane bus (5 V DC), max	750 mA; Max. 5 V DC for CM
24 V encoder supply	L+ minus 4 V DC min.
Power loss, typ	8 W
Work memory / integrated	50 kbyte
Load memory / integrated	1 Mbyte
Backup / present	yes
Backup / maintenance-free	yes
Backup / without battery	yes
for bit operations, typ	0.08 µs; / instruction
for floating point arithmetic	2.3 µs; / instruction
Brand	SIEMENS

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