General information

Product type designation CPU 1215C DC/DC/relay
Engineering with
Programming package STEP 7 V11 SP2 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) 5 V
permissible range, upper limit (DC) 250 V

Input current
Current consumption (rated value) 500 mA; Typical
Current consumption, max. 1 500 mA; 24 V DC
Inrush current, max. 12 A; at 28.8 V DC

Output current
for backplane bus (5 V DC), max. 1 600 mA; Max. 5 V DC for SM and CM

Power loss
Power loss, typ. 12 W

Memory
Work memory
integrated 100 kbyte
Load memory
integrated 4 Mbyte

Backup
present Yes; maintenance-free
without battery Yes

CPU processing times
for bit operations, typ. 0.085 µs; / instruction
for word operations, typ. 1.7 µs; / instruction
for floating point arithmetic, typ. 2.5 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. 10 kbyte

Flag
Size, max. 8 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, 8 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 14; 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. 14
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 Yes; 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 Yes; Single phase : 3 at 100 kHz & 3 at 30 kHz, differential: 3 at 80 kHz & 3 at 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 10; Relays

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.

Switching frequency
of the pulse outputs, with resistive load, max. 1 Hz

Relay outputs
Number of relay outputs 10
Number of operating cycles, max. mechanically 10 million, at rated load voltage 100 000

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 2

Output ranges, current
0 to 20 mA Yes

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), 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

Protocols
PROFINET IO Controller Yes

2. Interface
Interface type PROFINET

Interface types
RJ 45 (Ethernet) Yes

Protocols
Supports protocol for PROFINET IO Yes

PROFIsafe No
PROFIBUS Yes
AS-Interface Yes

Protocols (Ethernet)
TCP/IP Yes

Open IE communication
TCP/IP Yes
ISO-on-TCP (RFC1006) Yes
UDP Yes

Web server
supported Yes
User-defined websites Yes

Further protocols
MODBUS Yes

communication functions / header
S7 communication
supported Yes
as server Yes
as client 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

Integrated Functions
Counter
Number of counters 6
Counting frequency, max. 100 kHz
Frequency measurement Yes
controlled positioning Yes
PID controller Yes
Number of alarm inputs 4
Number of pulse outputs 4
Potential separation

Potential separation digital inputs
Potential separation digital inputs 500 V AC for 1 minute
between the channels, in groups of 1

Potential separation digital outputs
Potential separation digital outputs Relays
between the channels No

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 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
CSA approval 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
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. 2 000 m

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

programming / cycle time monitoring / header
adjustable Yes

Dimensions
Width 130 mm
Height 100 mm
Depth 75 mm

Weights
Weight, approx. 585 g

Classifications
Version Classification
eClass 14 27-24-22-07
eClass 12 27-24-22-07
eClass 9.1 27-24-22-07
eClass 9 27-24-22-07
eClass 8 27-24-22-07
eClass 7.1 27-24-22-07
eClass 6 27-24-22-07
ETIM 10 EC000236
ETIM 9 EC000236
ETIM 8 EC000236
ETIM 7 EC000236
IDEA 4 3565
UNSPSC 15 32-15-17-05
Approvals / Certificates
General Product Approval
EU declaration of conformity

UK Declaration of Conformity

Miscellaneous

Manufacturer Declaration

Metrological Approval

RCM

EMV For use in hazardous locations Maritime application
RCM

ATEX

FM

ABS (American Bureau of Shipping)

DNV (Det Norske Veritas)

LR (Lloyds Register)

Maritime application
NK / Nippon Kaiji Kyokai

RMRS (Russian Maritime Register)

CCS (China Classification Society)

KR (Korean Register of Shipping)