SIEMENS S7 1212FC DC Datasheet
Data sheet 6ES7212-1AF40-0XB0
SIMATIC S7-1200F, CPU 1212 FC, compact CPU, DC/DC/DC, onboard
I/O: 8 DI 24 V DC; 6 DO 24 V DC; 2 AI 0-10 V DC, Power supply: DC 20.4-
28.8V DC, Program/data memory 100 KB
General information
Product type designation
CPU 1212FC DC/DC/DC
Firmware version
V4.5
Engineering with
● Programming package
STEP 7 V17 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
● expandable
No
Load memory
● integrated
2 Mbyte
● Plug-in (SIMATIC Memory Card), max.
with SIMATIC memory card
Backup
● present
Yes
● maintenance-free
Yes
● without battery
Yes
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© Copyright Siemens
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
4; 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
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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.
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
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Subject to change without notice
© Copyright Siemens
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