I²t0.8 A²·s
— FBDYes
— IRTNo
— LADYes
— MRPNo
— SCLYes
— MRPDNo
OPC UAYes; OPC UA Server
IsolatedYes
PROFIBUSYes; CM 1243-5 (master) or CM 1242-5 (slave) required
PROFIsafeNo
AS-InterfaceYes; CM 1243-2 required
— PROFIenergyYes
AutocrossingYes
Weight, approx.435 g
— at "0" to "1", max.12.8 ms
— at "0" to "1", min.0.2 ms
— Shared deviceYes
— Updating timeThe 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.
Interface typePROFINET
PID controllerYes
Power loss, typ.12 W
— up to 40 °C, max.14
AutonegotiationYes
— Data length, max.1 472 byte
— parameterizableSingle phase: 3 @ 100 kHz & 3 @ 30 kHz, differential: 3 @ 80 kHz & 3 @ 30 kHz
Firmware versionV4.1
— Isochronous modeNo
Inrush current, max.12 A; at 28.8 V
— PG/OP communicationYes; encryption with TLS V1.3 pre-selected
— Prioritized startupYes
— User authentication"anonymous" or by user name & password
— of which in line, max.16
Frequency measurementYes
Sourcing/sinking inputYes
— Sampling interval, min.100 ms
controlled positioningYes
for bit operations, typ.0.08 µs; / instruction
Number of alarm inputs4
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
— Number of sessions, max.10
Current consumption, max.1 500 mA; CPU with all expansion modules
for word operations, typ.1.7 µs; / instruction
IP degree of protectionIP20
Number of analog inputs2
Siemens Eco Profile (SEP)Siemens EcoTech
— Publishing interval, min.200 ms
Number of analog outputs0
Number of digital inputs14; Integrated
Product type designationCPU 1214C DC/DC/relay
Number of digital outputs10; Relays
— Application authenticationAvailable security policies: None, Basic128Rsa15, Basic256Rsa15, Basic256Sha256
— Input resistance (0 to 10 V)≥100k ohms
Reverse polarity protectionYes
for backplane bus (5 V DC), max.1 600 mA; Max. 5 V DC for SM and CM
— Number of server methods, max.20
— Test voltage at air discharge8 kV
Current consumption (rated value)500 mA; CPU only
— Number of server interfaces, max.2
Number of modules per system, max.3 comm. modules, 1 signal board, 8 signal modules
permissible range, lower limit (DC)20.4 V
permissible range, upper limit (DC)28.8 V
for floating point arithmetic, typ.2.3 µs; / instruction
Supports protocol for PROFINET IOYes
— Test voltage at contact discharge6 kV
— Activation/deactivation of IO DevicesYes
— Number of connectable IO Devices, max.16
— global warming potential, (total) [CO2 eq]111 kg
— Number of subscriptions per session, max.5
automatic detection of transmission rateYes
— Number of monitored items, recommended max.1 000
— Number of connectable IO Devices for RT, max.16
— Number of IO Controllers with shared device, max.2
— global warming potential, (during operation) [CO2 eq]91.5 kg
Number of position-controlled positioning axes, max.8
— global warming potential, (during production) [CO2 eq]20.1 kg
— Number of IO devices with prioritized startup, max.16
Retentive data area (incl. timers, counters, flags), max.10 kbyte
— Against chemically active substances acc. to EN 60654-4Yes; Class 3 (excluding trichlorethylene)
— Number of nodes for user-defined server interfaces, max.2 000
Number of positioning axes via pulse-direction interfaceUp to 4 with SB 1222
— global warming potential, (after end of life cycle) [CO2 eq]-0.9 kg
— to chemically active substances according to EN 60721-3-3Yes; Class 3C4 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *
— to chemically active substances according to EN 60721-3-6Yes; Class 6C3 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *
— to biologically active substances according to EN 60721-3-3Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna); Class 3B3 on request
— to biologically active substances according to EN 60721-3-6Yes; Class 6B2 mold and fungal spores (excluding fauna); Class 6B3 on request
— to mechanically active substances according to EN 60721-3-3Yes; Class 3S4 incl. sand, dust, *
— to mechanically active substances according to EN 60721-3-6Yes; Class 6S3 incl. sand, dust; *
— Resistant to commercially available coolants and lubricantsYes; Incl. diesel and oil droplets in the air
— Number of IO Devices that can be simultaneously activated/deactivated, max.8
— Environmental conditions for process, measuring and control systems acc. to ANSI/ISA-71.04Yes; Level GX group A/B (excluding trichlorethylene; harmful gas concentrations up to the limits of EN 60721-3-3 class 3C4 permissible); level LC3 (salt spray) and level LB3 (oil)
— Note regarding classification of environmental conditions acc. to EN 60721, EN 60654-4 and ANSI/ISA-71.04* The supplied plug covers must remain in place over the unused interfaces during operation!
