General information

Product type designation

CPU 1211C DC/DC/DC

Firmware version

V4.2

V4.2

V4.2

Engineering with

• ● Programming package

STEP 7 V14 or higher

STEP 7 V14 or higher

STEP 7 V14 or higher

Supply voltage

Rated value (DC)

• ● 24 V DC

Yes

Yes

permissible range, lower limit (DC)

20.4 V

20.4 V

permissible range, upper limit (DC)

28.8 V

28.8 V

Rated value (AC)

• ● 120 V AC

Yes

• ● 230 V AC

Yes

permissible range, lower limit (AC)

85 V

permissible range, upper limit (AC)

264 V

Reverse polarity protection

Yes

Yes

Line frequency

• ● permissible range, lower limit

47 Hz

• ● permissible range, upper limit

63 Hz

Load voltage L+

• ● Rated value (DC)

24 V

24 V

• ● permissible range, lower limit (DC)

20.4 V

20.4 V

• ● permissible range, upper limit (DC)

28.8 V

28.8 V

Input current

Current consumption (rated value)

60 mA at 120 V AC; 30 mA at 240 V AC

300 mA; CPU only

300 mA; CPU only

Current consumption, max.

180 mA at 120 V AC; 90 mA at 240 V AC

900 mA; CPU with all expansion modules

900 mA; CPU with all expansion modules

Inrush current, max.

20 A; at 264 V

12 A; at 28.8 V DC

12 A; at 28.8 V DC

I²t

0.8 A²·s

0.5 A²·s

0.8 A²·s

Output current

for backplane bus (5 V DC), max.

750 mA; Max. 5 V DC for CM

750 mA; Max. 5 V DC for CM

750 mA; Max. 5 V DC for CM

Encoder supply

24 V encoder supply

• ● 24 V

20.4 to 28.8V

L+ minus 4 V DC min.

L+ minus 4 V DC min.

Power loss

Power loss, typ.

10 W

8 W

8 W

Memory

Work memory

• ● integrated

50 kbyte

50 kbyte

50 kbyte

• ● expandable

No

No

No

Load memory

• ● integrated

1 Mbyte

1 Mbyte

1 Mbyte

• ● Plug-in (SIMATIC Memory Card), max.

with SIMATIC memory card

with SIMATIC memory card

with SIMATIC memory card

Backup

• ● present

Yes

Yes

Yes

• ● maintenance-free

Yes

Yes

Yes

• ● without battery

Yes

Yes

Yes

CPU processing times

for bit operations, typ.

0.08 µs; / instruction

0.08 µs; / instruction

0.08 µs; / instruction

for word operations, typ.

1.7 µs; / instruction

1.7 µs; / instruction

1.7 µs; / instruction

for floating point arithmetic, typ.

2.3 µs; / instruction

2.3 µs; / instruction

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

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

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

Limited only by RAM for code

Limited only by RAM for code

Data areas and their retentivity

Retentive data area (incl. timers, counters, flags), max.

10 kbyte

10 kbyte

10 kbyte

Flag

• ● Number, max.

4 kbyte; Size of bit memory address area

4 kbyte; Size of bit memory address area

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

16 kbyte; Priority class 1 (program cycle): 16 KB, priority class 2 to 26: 6 KB

16 kbyte; Priority class 1 (program cycle): 16 KB, priority class 2 to 26: 6 KB

Process image

• ● Inputs, adjustable

1 kbyte

1 kbyte

1 kbyte

• ● Outputs, adjustable

1 kbyte

1 kbyte

1 kbyte

Hardware configuration

Number of modules per system, max.

3 communication modules, 1 signal board

3 communication modules, 1 signal board

3 communication modules, 1 signal board

Time of day

Clock

• ● Hardware clock (real-time)

Yes

Yes

Yes

• ● Backup time

480 h; Typical

480 h; Typical

480 h; Typical

• ● Deviation per day, max.

±60 s/month at 25 °C

±60 s/month at 25 °C

±60 s/month at 25 °C

Digital inputs

Number of digital inputs

6; Integrated

6; Integrated

6; Integrated

• ● of which inputs usable for technological functions

3; HSC (High Speed Counting)

3; HSC (High Speed Counting)

3; HSC (High Speed Counting)

Source/sink input

Yes

Yes

Yes

Number of simultaneously controllable inputs

all mounting positions

• — up to 40 °C, max.

6

6

6

Input voltage

• ● Rated value (DC)

24 V

24 V

24 V

• ● for signal "0"

5 V DC at 1 mA

5 V DC at 1 mA

5 V DC at 1 mA

• ● for signal "1"

15 V DC at 2.5 mA

15 V DC at 2.5 mA

15 V DC at 2.5 mA

Input current

• ● for signal "1", typ.

4 mA; nominal

4 mA; nominal

4 mA; nominal

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

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

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

0.2 ms

0.2 ms

• — at "0" to "1", max.

12.8 ms

12.8 ms

12.8 ms

for interrupt inputs

• — parameterizable

Yes

Yes

Yes

for counter/technological functions

• — parameterizable

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

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

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

Cable length

• ● shielded, max.

500 m; 50 m for technological functions

500 m; 50 m for technological functions

500 m; 50 m for technological functions

• ● unshielded, max.

300 m; For technological functions: No

300 m; For technological functions: No

300 m; For technological functions: No

Digital outputs

Number of digital outputs

4; Relays

4

4; Relays

• ● 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.

2 A

0.5 A

2 A

• ● on lamp load, max.

30 W with DC, 200 W with AC

5 W

30 W with DC, 200 W with AC

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.

10 ms; max.

1 µs

10 ms; max.

• ● "1" to "0", max.

10 ms; max.

5 µs

10 ms; max.

Switching frequency

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

100 kHz

Relay outputs

• ● Number of operating cycles, max.

mechanically 10 million, at rated load voltage 100 000

mechanically 10 million, at rated load voltage 100 000

Cable length

• ● shielded, max.

500 m

500 m

500 m

• ● unshielded, max.

150 m

150 m

150 m

Analog inputs

Number of analog inputs

2

2

2

Input ranges

• ● Voltage

Yes

Yes

Yes

Input ranges (rated values), voltages

• ● 0 to +10 V

Yes

Yes

Yes

• ● Input resistance (0 to 10 V)

≥100k ohms

≥100k ohms

≥100k ohms

Cable length

• ● shielded, max.

100 m; twisted and shielded

100 m; twisted and shielded

100 m; twisted and shielded

Analog outputs

Number of analog outputs

0

0

0

Analog value generation for the inputs

Integration and conversion time/resolution per channel

• ● Resolution with overrange (bit including sign), max.

10 bit

10 bit

10 bit

• ● Integration time, parameterizable

Yes

Yes

Yes

• ● Conversion time (per channel)

625 µs

625 µs

625 µs

Encoder

Connectable encoders

• ● 2-wire sensor

Yes

Yes

Yes

1. Interface

Interface type

PROFINET

PROFINET

PROFINET

Physics

Ethernet

Ethernet

Ethernet

Isolated

Yes

Yes

Yes

automatic detection of transmission rate

Yes

Yes

Yes

Autonegotiation

Yes

Yes

Yes

Autocrossing

Yes

Yes

Yes

Interface types

• ● Number of ports

1

1

1

• ● integrated switch

No

No

No

Functionality

• ● PROFINET IO Controller

Yes

Yes

Yes

• ● PROFINET IO Device

Yes

Yes

Yes

• ● SIMATIC communication

Yes

Yes

Yes

• ● Open IE communication

Yes

Yes

Yes

• ● Web server

Yes

Yes

Yes

• ● Media redundancy

No

No

No

PROFINET IO Controller

• ● Transmission rate, max.

100 Mbit/s

100 Mbit/s

100 Mbit/s

Services

• — PG/OP communication

Yes

Yes

Yes

• — S7 routing

Yes

Yes

Yes

• — Isochronous mode

No

No

No

• — Open IE communication

Yes

Yes

Yes

• — IRT

No

No

No

• — MRP

No

No

No

• — MRPD

No

No

No

• — PROFIenergy

No

No

No

• — Prioritized startup

Yes

Yes

Yes

• — Number of IO devices with prioritized startup, max.

16

16

16

• — Number of connectable IO Devices, max.

16

16

16

• — Number of connectable IO Devices for RT, max.

16

16

16

• — of which in line, max.

16

16

16

• — Activation/deactivation of IO Devices

Yes

Yes

Yes

• — Number of IO Devices that can be simultaneously activated/deactivated, max.

8

8

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.

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.

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

Yes

Yes

• — S7 routing

Yes

Yes

Yes

• — Isochronous mode

No

No

No

• — Open IE communication

Yes

Yes

Yes

• — IRT

No

No

No

• — MRP

No

No

No

• — MRPD

No

No

No

• — PROFIenergy

Yes

Yes

Yes

• — Shared device

Yes

Yes

Yes

• — Number of IO Controllers with shared device, max.

2

2

2

Protocols

Supports protocol for PROFINET IO

Yes

Yes

Yes

PROFIBUS

Yes; CM 1243-5 required

Yes; CM 1243-5 required

Yes; CM 1243-5 required

AS-Interface

Yes; CM 1243-2 required

Yes; CM 1243-2 required

Yes; CM 1243-2 required

Protocols (Ethernet)

• ● TCP/IP

Yes

Yes

Yes

• ● DHCP

No

No

No

• ● SNMP

Yes

Yes

Yes

• ● DCP

Yes

Yes

Yes

• ● LLDP

Yes

Yes

Yes