General information |
Product type designation |
CPU 1511C-1 PN |
HW functional status |
FS01 |
Firmware version |
V2.6 |
Product function |
-I&M data |
Yes; I&M0 to I&M3 |
Engineering with |
-STEP 7 TIA Portal configurable/integrated as of version |
V15.1 (FW V2.6) / V15 (FW V2.5) or higher; with older TIA Portal versions configurable as 6ES7511-1CK00-0AB0 |
Configuration control |
via dataset |
Yes |
Display |
Screen diagonal [cm] |
3.45 cm |
Control elements |
Number of keys |
8 |
Mode buttons |
2 |
Supply voltage |
Type of supply voltage |
24 V DC |
permissible range, lower limit (DC) |
19.2 V; 20.4 V DC, for supplying the digital inputs/outputs |
permissible range, upper limit (DC) |
28.8 V |
Reverse polarity protection |
Yes |
Mains buffering |
-Mains/voltage failure stored energy time |
5 ms; Refers to the power supply on the CPU section |
-Repeat rate, min. |
1/s |
Input current |
Current consumption (rated value) |
0.8 A; Without load; 9.8 A: CPU + load |
Current consumption, max. |
1 A; Without load; 10 A: CPU + load |
Inrush current, max. |
1.9 A; Rated value |
I²t |
0.34 A²·s |
Digital inputs |
-from load voltage L+ (without load), max. |
20 mA; per group |
Digital outputs |
-from load voltage L+, max. |
30 mA; Per group, without load |
Output voltage |
Rated value (DC) |
24 V |
Encoder supply |
Number of outputs |
1; One common 24 V encoder supply |
24 V encoder supply |
-24 V |
Yes; L+ (-0.8 V) |
-Short-circuit protection |
Yes |
-Output current, max. |
1 A |
Power |
Infeed power to the backplane bus |
10 W |
Power consumption from the backplane bus (balanced) |
8.5 W |
Power loss |
Power loss, typ. |
11.8 W |
Memory |
Number of slots for SIMATIC memory card |
1 |
SIMATIC memory card required |
Yes |
Work memory |
-integrated (for program) |
175 kbyte |
-integrated (for data) |
1 Mbyte |
Load memory |
-Plug-in (SIMATIC Memory Card), max. |
32 Gbyte |
Backup |
-maintenance-free |
Yes |
CPU processing times |
for bit operations, typ. |
60 ns |
for word operations, typ. |
72 ns |
for fixed point arithmetic, typ. |
96 ns |
for floating point arithmetic, typ. |
384 ns |
CPU-blocks |
Number of elements (total) |
2 000; Blocks (OB, FB, FC, DB) and UDTs |
DB |
-Number range |
1 ... 60 999; subdivided into: number range that can be used by the user: 1 ... 59 999, and number range of DBs created via SFC 86: 60 000 ... 60 999 |
-Size, max. |
1 Mbyte; For DBs with absolute addressing, the max. size is 64 KB |
FB |
-Number range |
0 ... 65 535 |
-Size, max. |
175 kbyte |
FC |
-Number range |
0 ... 65 535 |
- Size, max. |
175 kbyte |
OB |
- Size, max. |
175 kbyte |
- Number of free cycle OBs |
100 |
- Number of time alarm OBs |
20 |
- Number of delay alarm OBs |
20 |
- Number of cyclic interrupt OBs |
20; With minimum OB 3x cycle of 500 µs |
- Number of process alarm OBs |
50 |
- Number of DPV1 alarm OBs |
3 |
- Number of isochronous mode OBs |
1 |
- Number of technology synchronous alarm OBs |
2 |
- Number of startup OBs |
100 |
- Number of asynchronous error OBs |
4 |
- Number of synchronous error OBs |
2 |
- Number of diagnostic alarm OBs |
1 |
Nesting depth |
- per priority class |
24 |
Counters, timers and their retentivity |
S7 counter |
- Number |
2 048 |
Retentivity |
- adjustable |
Yes |
IEC counter |
- Number |
Any (only limited by the main memory) |
Retentivity |
- adjustable |
Yes |
S7 times |
- Number |
2 048 |
Retentivity |
- adjustable |
Yes |
IEC timer |
- Number |
Any (only limited by the main memory) |
Retentivity |
- adjustable |
Yes |
Data areas and their retentivity |
Retentive data area (incl. timers, counters, flags), max. |
128 kbyte; In total; available retentive memory for bit memories, timers, counters, DBs, and technology data (axes): 88 KB |
Extended retentive data area (incl. timers, counters, flags), max. |
1 Mbyte; When using PS 6 0W 24/48/60 V DC HF |
Flag |
- Number, max. |
16 kbyte |
- Number of clock memories |
8; 8 clock memory bit, grouped into one clock memory byte |
Data blocks |
- Retentivity adjustable |
Yes |
- Retentivity preset |
No |
Local data |
- per priority class, max. |
64 kbyte; max. 16 KB per block |
Address area |
Number of IO modules |
1 024; max. number of modules / submodules |
I/O address area |
- Inputs |
32 kbyte; All inputs are in the process image |
- Outputs |
32 kbyte; All outputs are in the process image |
per integrated IO subsystem |
- Inputs (volume) |
8 kbyte |
- Outputs (volume) |
8 kbyte |
per CM/CP |
- Inputs (volume) |
8 kbyte |
- Outputs (volume) |
8 kbyte |
Subprocess images |
- Number of subprocess images, max. |
32 |
Hardware configuration |
Number of distributed IO systems |
32; A distributed I/O system is characterized not only by the integration of distributed I/O via PROFINET or PROFIBUS communication modules, but also by the connection of I/O via AS-i master modules or links (e.g. IE/PB-Link) |
Number of DP masters |
- Via CM |
4; A maximum of 4 CMs/CPs (PROFIBUS, PROFINET, Ethernet) can be inserted in total |
Number of IO Controllers |
- integrated |
1 |
- Via CM |
4; A maximum of 4 CMs/CPs (PROFIBUS, PROFINET, Ethernet) can be inserted in total |
Rack |
- Modules per rack, max. |
32; CPU + 31 modules |
- Number of lines, max. |
1 |
PtP CM |
- Number of PtP CMs |
the number of connectable PtP CMs is only limited by the number of available slots |
Time of day |
Clock |
- Type |
Hardware clock |
- Backup time |
6 wk; At 40 °C ambient temperature, typically |
- Deviation per day, max. |
10 s; Typ.: 2 s |
Operating hours counter |
- Number |
16 |
Clock synchronization |
- supported |
Yes |
- in AS, master |
Yes |
- in AS, slave |
Yes |
- on Ethernet via NTP |
Yes |
Digital inputs |
integrated channels (DI) |
16 |
Digital inputs, parameterizable |
Yes |
Source/sink input |
P-reading |
Input characteristic curve in accordance with IEC 61131, type 3 |
Yes |
Digital input functions, parameterizable |
- Gate start/stop |
Yes |
- Capture |
Yes |
- Synchronization |
Yes |
Input voltage |
- Type of input voltage |
DC |
- Rated value (DC) |
24 V |
- for signal "0" |
-3 to +5V |
- for signal "1" |
+11 to +30V |
Input current |
- for signal "1", typ. |
2.5 mA |
Input delay (for rated value of input voltage) |
for standard inputs |
— parameterizable |
Yes; none / 0.05 / 0.1 / 0.4 / 1.6 / 3.2 / 12.8 / 20 ms |
— at "0" to "1", min. |
4 µs; for parameterization "none" |
— at "0" to "1", max. |
20 ms |
— at "1" to "0", min. |
4 µs; for parameterization "none" |
— at "1" to "0", max. |
20 ms |
for interrupt inputs |
— parameterizable |
Yes; Same as for standard inputs |
for technological functions |
— parameterizable |
Yes; Same as for standard inputs |
Cable length |
- shielded, max. |
1 000 m; 600 m for technological functions; depending on input frequency, encoder and cable quality; max. 50 m at 100 kHz |
- unshielded, max. |
600 m; For technological functions: No |
Digital outputs |
Type of digital output |
Transistor |
integrated channels (DO) |
16 |
Current-sourcing |
Yes; Push-pull output |
Short-circuit protection |
Yes; electronic/thermal |
- Response threshold, typ. |
1.6 A with standard output, 0.5 A with high-speed output; see manual for details |
Limitation of inductive shutdown voltage to |
-0.8 V |
Controlling a digital input |
Yes |
Accuracy of pulse duration |
Up to ±100 ppm ±2 μs at high-speed output; see manual for details |
minimum pulse duration |
2 µs; With High Speed output |
Digital output functions, parameterizable |
- Switching tripped by comparison values |
Yes; As output signal of a high-speed counter |
- PWM output |
Yes |
- Number, max. |
4 |
- Cycle duration, parameterizable |
Yes |
- ON period, min. |
0 % |
- ON period, max. |
100 % |
- Resolution of the duty cycle |
0.0036 %; For S7 analog format, min. 40 ns |
- Frequency output |
Yes |
- Pulse train |
Yes; also for pulse/direction interface |
Switching capacity of the outputs |
- with resistive load, max. |
0.5 A; 0.1 A with high-speed output, i.e. when using a high-speed output; see manual for details |
- on lamp load, max. |
5 W; 1 W with high-speed output, i.e. when using a high-speed output; see manual for details |
Load resistance range |
- lower limit |
48 Ω; 240 ohms with high-speed output, i.e. when using a high-speed output; see manual for details |
- upper limit |
12 kΩ |
Output voltage |
- Type of output voltage |
DC |
- for signal "0", max. |
1 V; With high-speed output, i.e. when using a high-speed output; see manual for details |
- for signal "1", min. |
23.2 V; L+ (-0.8 V) |
Output current |
- for signal "1" rated value |
0.5 A; 0.1 A with high-speed output, i.e. when using a high-speed output, observe derating; see manual for details |
- for signal "1" permissible range, min. |
2 mA |
- for signal "1" permissible range, max. |
0.6 A; 0.12 A with high-speed output, i.e. when using a high-speed output, observe derating; see manual for details |
- for signal "0" residual current, max. |
0.5 mA |
Output delay with resistive load |
- "0" to "1", max. |
200 µs |
- "1" to "0", max. |
500 µs; Load-dependent |
for technological functions |
- "0" to "1", max. |
5 µs; Depending on the output used, see additional description in manual |
- "1" to "0", max. |
5 µs; Depending on the output used, see additional description in manual |
Parallel switching of two outputs |
- for logic links |
Yes; For technological functions: No |
- for uprating |
No |
- for redundant control of a load |
Yes; For technological functions: No |
Switching frequency |
- with resistive load, max. |
100 kHz; For high-speed output, 100 Hz for standard output |
- with inductive load, max. |
0.5 Hz; Acc. to IEC 60947-5-1, DC-13; observe derating curve |
- on lamp load, max. |
10 Hz |
Total current of the outputs |
- Current per channel, max. |
0.5 A; see additional description in the manual |
- Current per group, max. |
8 A; see additional description in the manual |
- Current per power supply, max. |
4 A; 2 power supplies for each group, current per power supply max. 4 A, see additional description in manual |
for technological functions |
- Current per channel, max. |
0.5 A; see additional description in the manual |
Relay outputs |
- Number of relay outputs |
0 |
Cable length |
- shielded, max. |
1 000 m; 600 m for technological functions; depending on output frequency, load, and cable quality; max. 50 m at 100 kHz |
- unshielded, max. |
600 m; For technological functions: No |
Analog inputs |
Number of analog inputs |
5; 4x for U/I, 1x for R/RTD |
- For current measurement |
4; max. |
- For voltage measurement |
4; max. |
- For resistance/resistance thermometer measurement |
1 |
permissible input voltage for voltage input (destruction limit), max. |
28.8 V |
permissible input current for current input (destruction limit), max. |
40 mA |
Cycle time (all channels), min. |
1 ms; Dependent on the parameterized interference frequency suppression; for details, see conversion procedure in manual |
Technical unit for temperature measurement adjustable |
Yes; °C/°F/K |
Input ranges (rated values), voltages |
- 0 to +10 V |
Yes; Physical measuring range: ± 10 V |
- Input resistance (0 to 10 V) |
100 kΩ |
- 1 V to 5 V |
Yes; Physical measuring range: ± 10 V |
- Input resistance (1 V to 5 V) |
100 kΩ |
- -10 V to +10 V |
Yes |
- Input resistance (-10 V to +10 V) |
100 kΩ |
- -5 V to +5 V |
Yes; Physical measuring range: ± 10 V |
- Input resistance (-5 V to +5 V) |
100 kΩ |
Input ranges (rated values), currents |
- 0 to 20 mA |
Yes; Physical measuring range: ± 20 mA |
- Input resistance (0 to 20 mA) |
50 Ω; Plus approx. 55 ohm for overvoltage protection by PTC |
- -20 mA to +20 mA |
Yes |
- Input resistance (-20 mA to +20 mA) |
50 Ω; Plus approx. 55 ohm for overvoltage protection by PTC |
- 4 mA to 20 mA |
Yes; Physical measuring range: ± 20 mA |
- Input resistance (4 mA to 20 mA) |
50 Ω; Plus approx. 55 ohm for overvoltage protection by PTC |
Input ranges (rated values), resistance thermometer |
- Ni 100 |
Yes; Standard/climate |
- Input resistance (Ni 100) |
10 MΩ |
- Pt 100 |
Yes; Standard/climate |
- Input resistance (Pt 100) |
10 MΩ |
Input ranges (rated values), resistors |
- 0 to 150 ohms |
Yes; Physical measuring range: 0 ... 600 ohms |
- Input resistance (0 to 150 ohms) |
10 MΩ |
- 0 to 300 ohms |
Yes; Physical measuring range: 0 ... 600 ohms |
- Input resistance (0 to 300 ohms) |
10 MΩ |
- 0 to 600 ohms |
Yes |
- Input resistance (0 to 600 ohms) |
10 MΩ |
Cable length |
- shielded, max. |
800 m; for U/I, 200 m for R/RTD |
Analog outputs |
integrated channels (AO) |
2 |
Voltage output, short-circuit protection |
Yes |
Cycle time (all channels), min. |
1 ms; Dependent on the parameterized interference frequency suppression; for details, see conversion procedure in manual |
Output ranges, voltage |
- 0 to 10 V |
Yes |
- 1 V to 5 V |
Yes |
- -10 V to +10 V |
Yes |
Output ranges, current |
- 0 to 20 mA |
Yes |
- -20 mA to +20 mA |
Yes |
- 4 mA to 20 mA |
Yes |
Load impedance (in rated range of output) |
- with voltage outputs, min. |
1 kΩ |
- with voltage outputs, capacitive load, max. |
100 nF |
- with current outputs, max. |
500 Ω |
- with current outputs, inductive load, max. |
1 mH |
Cable length |
- shielded, max. |
200 m |
Analog value generation for the inputs |
Integration and conversion time/resolution per channel |
- Resolution with overrange (bit including sign), max. |
16 bit |
- Integration time, parameterizable |
Yes; 2.5 / 16.67 / 20 / 100 ms, acts on all channels |
- Interference voltage suppression for interference frequency f1 in Hz |
400 / 60 / 50 / 10 |
Smoothing of measured values |
- parameterizable |
Yes |
- Step: None |
Yes |
- Step: low |
Yes |
- Step: Medium |
Yes |
- Step: High |
Yes |
Analog value generation for the outputs |
Integration and conversion time/resolution per channel |
- Resolution with overrange (bit including sign), max. |
16 bit |
Settling time |
- for resistive load |
1.5 ms |
- for capacitive load |
2.5 ms |
- for inductive load |
2.5 ms |
Encoder |
Connection of signal encoders |
- for voltage measurement |
Yes |
- for current measurement as 4-wire transducer |
Yes |
- for resistance measurement with two-wire connection |
Yes |
- for resistance measurement with three-wire connection |
Yes |
- for resistance measurement with four-wire connection |
Yes |
Connectable encoders |
- 2-wire sensor |
Yes |
— permissible quiescent current (2-wire sensor), max. |
1.5 mA |
Encoder signals, incremental encoder (asymmetrical) |
- Input voltage |
24 V |
- Input frequency, max. |
100 kHz |
- Counting frequency, max. |
400 kHz; with quadruple evaluation |
- Signal filter, parameterizable |
Yes |
- Incremental encoder with A/B tracks, 90° phase offset |
Yes |
- Incremental encoder with A/B tracks, 90° phase offset and zero track |
Yes |
- Pulse encoder |
Yes |
- Pulse encoder with direction |
Yes |
- Pulse encoder with one impulse signal per count direction |
Yes |
Errors/accuracies |
Linearity error (relative to input range), (+/-) |
0.1 % |
Temperature error (relative to input range), (+/-) |
0.005 %/K |
Crosstalk between the inputs, max. |
-60 dB |
Repeat accuracy in steady state at 25 °C (relative to input range), (+/-) |
0.05 % |
Output ripple (relative to output range, bandwidth 0 to 50 kHz), (+/-) |
0.02 % |
Linearity error (relative to output range), (+/-) |
0.15 % |
Temperature error (relative to output range), (+/-) |
0.005 %/K |
Crosstalk between the outputs, max. |
-80 dB |
Repeat accuracy in steady state at 25 °C (relative to output range), (+/-) |
0.05 % |
Operational error limit in overall temperature range |
- Voltage, relative to input range, (+/-) |
0.3 % |
- Current, relative to input range, (+/-) |
0.3 % |
- Resistance, relative to input range, (+/-) |
0.3 % |
- Resistance thermometer, relative to input range, (+/-) |
Pt100 Standard: ±2 K, Pt100 Climate: ±1 K, Ni100 Standard: ±1.2 K, Ni100 Climate: ±1 K |
- Voltage, relative to output range, (+/-) |
0.3 % |
- Current, relative to output range, (+/-) |
0.3 % |
Basic error limit (operational limit at 25 °C) |
- Voltage, relative to input range, (+/-) |
0.2 % |
- Current, relative to input range, (+/-) |
0.2 % |
- Resistance, relative to input range, (+/-) |
0.2 % |
- Resistance thermometer, relative to input range, (+/-) |
Pt100 Standard: ±1 K, Pt100 Climate: ±0.5 K, Ni100 Standard: ±0.6 K, Ni100 Climate: ±0.5 K |
- Voltage, relative to output range, (+/-) |
0.2 % |
- Current, relative to output range, (+/-) |
0.2 % |
Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency |
- Series mode interference (peak value of interference < rated value of input range), min. |
30 dB |
- Common mode voltage, max. |
10 V |
- Common mode interference, min. |
60 dB; at 400 Hz: 50 dB |
Interfaces |
Number of PROFINET interfaces |
1 |
1. Interface |
Interface types |
- Number of ports |
2 |
- integrated switch |
Yes |
- RJ 45 (Ethernet) |
Yes; X1 |
Protocols |
- IP protocol |
Yes; IPv4 |
- PROFINET IO Controller |
Yes |
- PROFINET IO Device |
Yes |
- SIMATIC communication |
Yes |
- Open IE communication |
Yes |
- Web server |
Yes |
- Media redundancy |
Yes; MRP Automanager according to IEC 62439-2 Edition 2.0 |
PROFINET IO Controller |
Services |
- PG/OP communication |
Yes |
- S7 routing |
Yes |
- Isochronous mode |
Yes |
- Open IE communication |
Yes |
- IRT |
Yes |
- MRP |
Yes; As MRP redundancy manager and/or MRP client; max. number of devices in the ring: 50 |
- MRPD |
Yes; Requirement:
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