6ES7512-1CK01-0AB0.

Data sheet 6ES7512-1CK01-0AB0 SIMATIC S7-1500 Compact CPU CPU 1512C-1 PN, central processing unit with working memory 250 KB for program and 1 MB for data, 32 digital inputs, 32 digital outputs, 5 analog inputs, 2 analog outputs, 6 high speed counters, 4 high speed outputs for PTO/PWM/frequency output 1. interface: PROFINET IRT with 2 port switch, 48 NS bit-performance, incl. front connector push-in, SIMATIC memory card necessary General information Product type designation CPU 1512C-1 PN HW functional status FS03 Firmware version V2.9 Product function ● I&M data Yes; I&M0 to I&M3 ● Isochronous mode Yes; With minimum OB 6x cycle of 625 µs (distributed) Engineering with ● STEP 7 TIA Portal configurable/integrated from version V17 (FW V2.9) / V15 (FW V2.5) or higher; with older TIA Portal versions configurable as 6ES7512-1CK00-0AB0 Configuration control via dataset Yes Display Screen diagonal [cm] 3.45 cm Control elements Number of keys 8 Mode buttons 2 Supply voltage Rated value (DC) 24 V 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 Input current Current consumption (rated value) 0.8 A; Without load; 18.8 A: CPU + load Current consumption, max. 1 A; Without load; 19 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 / header Rated value (DC) 24 V Encoder supply Number of outputs 2; One common 24 V encoder supply per 16 digital inputs 24 V encoder supply ● 24 V Yes; L+ (-0.8 V) ● Short-circuit protection Yes 6ES75121CK010AB0 Page 1/12 4/30/2024 Subject to change without notice © Copyright Siemens ● Output current, max. 1A Power Infeed power to the backplane bus 10 W Power consumption from the backplane bus (balanced) 9W Power loss Power loss, typ. 15.2 W Memory Number of slots for SIMATIC memory card 1 SIMATIC memory card required Yes Work memory ● integrated (for program) 250 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. 48 ns for word operations, typ. 58 ns for fixed point arithmetic, typ. 77 ns for floating point arithmetic, typ. 307 ns CPU-blocks Number of elements (total) 4 000; 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 ● Number range 0 ... 65 535 ● Size, max. 250 kbyte ● Number range 0 ... 65 535 ● Size, max. 250 kbyte ● Size, max. 250 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 FB FC OB 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 6ES75121CK010AB0 Page 2/12 4/30/2024 Subject to change without notice © Copyright Siemens — 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 ● Size, 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 2 048; 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 6; A maximum of 6 CMs/CPs (PROFIBUS, PROFINET, Ethernet) can be inserted in total Number of IO Controllers ● integrated 1 ● Via CM 6; A maximum of 6 CMs/CPs (PROFIBUS, PROFINET, Ethernet) can be inserted in total Rack ● Modules per rack, max. 32; CPU + 31 modules 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) 32 Digital inputs, parameterizable Yes Source/sink input P-reading 6ES75121CK010AB0 Page 3/12 4/30/2024 Subject to change without notice © Copyright Siemens 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) 32 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 Connector X11: -0.8 V; connector X12: L+ (-53 V) Controlling a digital input Yes 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 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 6ES75121CK010AB0 Page 4/12 4/30/2024 Subject to change without notice © Copyright Siemens ● 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 — Input resistance (0 to 10 V) ● 1 V to 5 V — Input resistance (1 V to 5 V) ● -10 V to +10 V — Input resistance (-10 V to +10 V) ● -5 V to +5 V — Input resistance (-5 V to +5 V) Yes; Physical measuring range: ± 10 V 100 kΩ Yes; Physical measuring range: ± 10 V 100 kΩ Yes 100 kΩ Yes; Physical measuring range: ± 10 V 100 kΩ Input ranges (rated values), currents ● 0 to 20 mA — Input resistance (0 to 20 mA) ● -20 mA to +20 mA — Input resistance (-20 mA to +20 mA) ● 4 mA to 20 mA — Input resistance (4 mA to 20 mA) Yes; Physical measuring range: ± 20 mA 50 Ω; Plus approx. 55 ohm for overvoltage protection by PTC Yes 50 Ω; Plus approx. 55 ohm for overvoltage protection by PTC Yes; Physical measuring range: ± 20 mA 50 Ω; Plus approx. 55 ohm for overvoltage protection by PTC Input ranges (rated values), resistance thermometer ● Ni 100 — Input resistance (Ni 100) ● Pt 100 6ES75121CK010AB0 Page 5/12 Yes; Standard/climate 10 MΩ Yes; Standard/climate 4/30/2024 Subject to change without notice © Copyright Siemens — Input resistance (Pt 100) 10 MΩ Input ranges (rated values), resistors ● 0 to 150 ohms — Input resistance (0 to 150 ohms) ● 0 to 300 ohms — Input resistance (0 to 300 ohms) ● 0 to 600 ohms — Input resistance (0 to 600 ohms) Yes; Physical measuring range: 0 ... 600 ohms 10 MΩ Yes; Physical measuring range: 0 ... 600 ohms 10 MΩ Yes 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 — permissible quiescent current (2-wire sensor), max. Yes 1.5 mA Encoder signals, incremental encoder (asymmetrical) ● Input voltage 6ES75121CK010AB0 Page 6/12 24 V 4/30/2024 Subject to change without notice © Copyright Siemens ● 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 interference, min. 60 dB; at 400 Hz: 50 dB Interfaces Number of PROFINET interfaces 1 1. Interface Interface types ● RJ 45 (Ethernet) Yes; X1 ● Number of ports 2 ● integrated switch Yes Protocols ● IP protocol Yes; IPv4 ● PROFINET IO Controller Yes ● PROFINET IO Device Yes ● SIMATIC communication Yes ● Open IE communication Yes; Optionally also encrypted ● Web server Yes ● Media redundancy Yes PROFINET IO Controller Services — PG/OP communication Yes — Isochronous mode Yes — Direct data exchange Yes; Requirement: IRT and isochronous mode (MRPD optional) — IRT Yes 6ES75121CK010AB0 Page 7/12 4/30/2024 Subject to change without notice © Copyright Siemens — PROFIenergy Yes; per user program — Prioritized startup Yes; Max. 32 PROFINET devices — Number of connectable IO Devices, max. 128; In total, up to 256 distributed I/O devices can be connected via AS-i, PROFIBUS or PROFINET — Of which IO devices with IRT, max. 64 — Number of connectable IO Devices for RT, max. 128 — of which in line, max. 128 — Number of IO Devices that can be simultaneously activated/deactivated, max. 8; in total across all interfaces — Number of IO Devices per tool, max. 8 — Updating times The minimum value of the update time also depends on communication share set for PROFINET IO, on the number of IO devices, and on the quantity of configured user data Update time for IRT — for send cycle of 250 µs 250 μs to 4 ms; Note: In the case of IRT with isochronous mode, the minimum update time of 625 µs of the isochronous OB is decisive — for send cycle of 500 µs 500 μs to 8 ms; Note: In the case of IRT with isochronous mode, the minimum update time of 625 µs of the isochronous OB is decisive — for send cycle of 1 ms 1 ms to 16 ms — for send cycle of 2 ms 2 ms to 32 ms — for send cycle of 4 ms 4 ms to 64 ms — With IRT and parameterization of "odd" send cycles Update time = set "odd" send clock (any multiple of 125 µs: 375 µs, 625 µs ... 3 875 µs) Update time for RT — for send cycle of 250 µs 250 µs to 128 ms — for send cycle of 500 µs 500 µs to 256 ms — for send cycle of 1 ms 1 ms to 512 ms — for send cycle of 2 ms 2 ms to 512 ms — for send cycle of 4 ms 4 ms to 512 ms PROFINET IO Device Services — PG/OP communication Yes — Isochronous mode No — IRT Yes — PROFIenergy Yes; per user program — Shared device Yes — Number of IO Controllers with shared device, max. 4 — activation/deactivation of I-devices Yes; per user program — Asset management record Yes; per user program Interface types RJ 45 (Ethernet) ● 100 Mbps Yes ● Autonegotiation Yes ● Autocrossing Yes ● Industrial Ethernet status LED Yes Protocols Number of connections ● Number of connections, max. 128; via integrated interfaces of the CPU and connected CPs / CMs ● Number of connections reserved for ES/HMI/web 10 ● Number of connections via integrated interfaces 88 ● Number of S7 routing paths 16 Redundancy mode ● H-Sync forwarding Yes Media redundancy — Media redundancy only via 1st interface (X1) — MRP Yes; MRP Automanager according to IEC 62439-2 Edition 2.0, MRP Manager; MRP Client — MRP interconnection, supported Yes; as MRP ring node according to IEC 62439-2 Edition 3.0 — MRPD Yes; Requirement: IRT — Switchover time on line break, typ. 200 ms; For MRP, bumpless for MRPD — Number of stations in the ring, max. 50 SIMATIC communication ● PG/OP communication 6ES75121CK010AB0 Page 8/12 Yes; encryption with TLS V1.3 pre-selected 4/30/2024 Subject to change without notice © Copyright Siemens ● S7 routing Yes ● S7 communication, as server Yes ● S7 communication, as client Yes ● User data per job, max. See online help (S7 communication, user data size) Open IE communication ● TCP/IP Yes — Data length, max. 64 kbyte — several passive connections per port, supported Yes ● ISO-on-TCP (RFC1006) — Data length, max. ● UDP Yes 64 kbyte Yes — Data length, max. 2 kbyte; 1 472 bytes for UDP broadcast — UDP multicast Yes; Max. 5 multicast circuits ● DHCP Yes ● DNS Yes ● SNMP Yes ● DCP Yes ● LLDP Yes ● Encryption Yes; Optional Web server ● HTTP Yes; Standard and user pages ● HTTPS Yes; Standard and user pages OPC UA ● Runtime license required Yes; "Small" license required ● OPC UA Client Yes — Application authentication Yes — Security policies Available security policies: None, Basic128Rsa15, Basic256Rsa15, Basic256Sha256 — User authentication "anonymous" or by user name & password — Number of connections, max. 4 — Number of nodes of the client interfaces, recommended max. 1 000 — Number of elements for one call of 300 OPC_UA_NodeGetHandleList/OPC_UA_ReadList/OPC_UA_WriteList, max. — Number of elements for one call of OPC_UA_NameSpaceGetIndexList, max. 20 — Number of elements for one call of OPC_UA_MethodGetHandleList, max. 100 — Number of simultaneous calls of the client instructions for session management, per connection, max. 1 — Number of simultaneous calls of the client instructions for data access, per connection, max. 5 — Number of registerable nodes, max. 5 000 — Number of registerable method calls of OPC_UA_MethodCall, max. 100 — Number of inputs/outputs when calling OPC_UA_MethodCall, max. 20 ● OPC UA Server Yes; Data access (read, write, subscribe), method call, custom address space — Application authentication Yes — Security policies Available security policies: None, Basic128Rsa15, Basic256Rsa15, Basic256Sha256 — User authentication "anonymous" or by user name & password — GDS support (certificate management) Yes — Number of sessions, max. 32 — Number of accessible variables, max. 50 000 — Number of registerable nodes, max. 10 000 — Number of subscriptions per session, max. 20 — Sampling interval, min. 100 ms — Publishing interval, min. 500 ms — Number of server methods, max. 20 — Number of inputs/outputs per server method, max. 20 — Number of monitored items, recommended max. 1 000; for 1 s sampling interval and 1 s send interval 6ES75121CK010AB0 Page 9/12 4/30/2024 Subject to change without notice © Copyright Siemens — Number of server interfaces, max. 10 of each "Server interfaces" / "Companion specification" type and 20 of the type "Reference namespace" — Number of nodes for user-defined server interfaces, max. 1 000 ● Alarms and Conditions Yes — Number of program alarms 100 — Number of alarms for system diagnostics 50 Further protocols ● MODBUS Yes; MODBUS TCP S7 message functions Number of login stations for message functions, max. 32 Program alarms Yes Number of configurable program messages, max. 5 000; Program messages are generated by the "Program_Alarm" block, ProDiag or GRAPH Number of loadable program messages in RUN, max. 2 500 Number of simultaneously active program alarms ● Number of program alarms 600 ● Number of alarms for system diagnostics 100 ● Number of alarms for motion technology objects 80 Test commissioning functions Joint commission (Team Engineering) Yes; Parallel online access possible for up to 5 engineering systems Status block Yes; Up to 8 simultaneously (in total across all ES clients) Single step No Number of breakpoints 8 Status/control ● Status/control variable Yes ● Variables Inputs/outputs, memory bits, DBs, distributed I/Os, timers, counters ● Number of variables, max. — of which status variables, max. 200; per job — of which control variables, max. 200; per job Forcing ● Forcing Yes ● Forcing, variables Peripheral inputs/outputs ● Number of variables, max. 200 Diagnostic buffer ● present Yes ● Number of entries, max. 1 000 — of which powerfail-proof 500 Traces ● Number of configurable Traces 4; Up to 512 KB of data per trace are possible Interrupts/diagnostics/status information Alarms ● Diagnostic alarm Yes ● Hardware interrupt Yes Diagnoses ● Monitoring the supply voltage Yes ● Wire-break Yes; for analog inputs/outputs, see description in manual ● Short-circuit Yes; for analog outputs, see description in manual ● A/B transition error at incremental encoder Yes Diagnostics indication LED ● RUN/STOP LED Yes ● ERROR LED Yes ● MAINT LED Yes ● STOP ACTIVE LED Yes ● Monitoring of the supply voltage (PWR-LED) Yes ● Channel status display Yes ● for channel diagnostics Yes; For analog inputs/outputs ● Connection display LINK TX/RX Yes Supported technology objects Motion Control ● Number of available Motion Control resources for 6ES75121CK010AB0 Page 10/12 Yes; Note: The number of technology objects affects the cycle time of the PLC program; selection guide via the TIA Selection Tool 800 4/30/2024 Subject to change without notice © Copyright Siemens technology objects ● Required Motion Control resources — per speed-controlled axis 40 — per positioning axis 80 — per synchronous axis 160 — per external encoder 80 — per output cam 20 — per cam track 160 — per probe 40 ● Positioning axis — Number of positioning axes at motion control cycle of 4 ms (typical value) 5 — Number of positioning axes at motion control cycle of 8 ms (typical value) 10 Controller ● PID_Compact Yes; Universal PID controller with integrated optimization ● PID_3Step Yes; PID controller with integrated optimization for valves ● PID-Temp Yes; PID controller with integrated optimization for temperature Counting and measuring ● High-speed counter Yes Integrated Functions Counting functions ● Continuous counting Yes ● Counter response parameterizable Yes ● Hardware gate via digital input Yes ● Software gate Yes ● Event-controlled stop Yes ● Synchronization via digital input Yes ● Counting range, parameterizable Yes Comparator — Number of comparators 2; per count channel; see manual for details — Direction dependency Yes — Can be changed from user program Yes Position detection ● Incremental acquisition Yes ● Suitable for S7-1500 Motion Control Yes Measuring functions ● Measuring time, parameterizable Yes ● Dynamic measurement period adjustment Yes ● Number of thresholds, parameterizable 2 Measuring range — Frequency measurement, min. 0.04 Hz — Frequency measurement, max. 400 kHz; with quadruple evaluation — Cycle duration measurement, min. 2.5 µs — Cycle duration measurement, max. 25 s Accuracy — Frequency measurement 100 ppm; depending on measuring interval and signal evaluation — Cycle duration measurement 100 ppm; depending on measuring interval and signal evaluation — Velocity measurement 100 ppm; depending on measuring interval and signal evaluation Potential separation Potential separation digital inputs ● between the channels No ● between the channels, in groups of 16 Potential separation digital outputs ● between the channels No ● between the channels, in groups of 16 Potential separation channels ● between the channels and backplane bus Yes ● Between the channels and load voltage L+ No Isolation Isolation tested with 6ES75121CK010AB0 Page 11/12 707 V DC (type test) 4/30/2024 Subject to change without notice © Copyright Siemens Ambient conditions Ambient temperature during operation ● horizontal installation, min. -25 °C; No condensation ● horizontal installation, max. 60 °C; note derating data for onboard I/O in the manual. Display: 50 °C, at an operating temperature of typically 50 °C, the display is switched off ● vertical installation, min. -25 °C; No condensation ● vertical installation, max. 40 °C; note derating data for onboard I/O in the manual. Display: 40 °C, at an operating temperature of typically 40 °C, the display is switched off Ambient temperature during storage/transportation ● min. -40 °C ● max. 70 °C Altitude during operation relating to sea level ● Installation altitude above sea level, max. 5 000 m; Restrictions for installation altitudes > 2 000 m, see manual configuration / header configuration / programming / header Programming language — LAD Yes — FBD Yes — STL Yes — SCL Yes — GRAPH Yes Know-how protection ● User program protection/password protection Yes ● Copy protection Yes ● Block protection Yes Access protection ● protection of confidential configuration data Yes ● Password for display Yes ● Protection level: Write protection Yes ● Protection level: Read/write protection Yes ● Protection level: Complete protection Yes programming / cycle time monitoring / header ● lower limit adjustable minimum cycle time ● upper limit adjustable maximum cycle time Dimensions Width 110 mm Height 147 mm Depth 129 mm Weights Weight, approx. 1 360 g last modified: 3/12/2024 6ES75121CK010AB0 Page 12/12 4/30/2024 Subject to change without notice © Copyright Siemens