SIMATIC S7-1200 G2: failsafe compact CPU 1212FC DC/DC/RLY; power supply: DC 20.4-28.8 V DC; onboard I/O: 8x DI 24 V DC; 6 DO relay 2 A; memory: program 200 KB data: 500 KB, retentivity: 20 KB General information Product type designation CPU 1212FC DC/DC/Relay Firmware version V4.1 ● FW update possible Yes Product function ● I&M data Yes; I&M0 to I&M3 ● Isochronous mode Yes; For PROFINET only ● SysLog Yes Engineering with ● Programming package STEP 7 V21 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 Input current Current consumption (rated value) 185 mA; CPU only Current consumption, max. 765 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 Yes; L+ minus 4 V DC min. ● Short-circuit protection Yes ● Output current, max. 300 mA Power loss Power loss, typ. 3 W Storage Work memory ● Integrated 700 kbyte ● integrated (for program) 200 kbyte ● integrated (for data) 500 kbyte Load memory ● Integrated 8 Mbyte ● Plug-in (SIMATIC Memory Card), max. 32 Gbyte; with SIMATIC memory card Backup ● present Yes ● maintenance-free Yes ● without battery Yes CPU processing times for bit operations, typ. 37 ns; / instruction for word operations, typ. 30 ns; / instruction for floating point arithmetic, typ. 74 ns; / instruction CPU-blocks Number of elements (total) 4 000; Blocks (OB, FB, FC, DB) and UDTs OB ● 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 1 ms ● Number of process alarm OBs 50 ● Number of DPV1 alarm OBs 3 ● Number of isochronous mode OBs 1 ● Number of startup OBs 100 ● Number of asynchronous error OBs 4 ● Number of synchronous error OBs 2 ● Number of diagnostic alarm OBs 1 Data areas and their retentivity Retentive data area (incl. timers, counters, flags), max. 20 kbyte Flag ● Size, max. 8 kbyte; Size of bit memory address area Local data ● per priority class, max. 64 kbyte; max. 16 KB per block Address area I/O address area ● Inputs 1 kbyte; All inputs are in the process image ● Outputs 1 kbyte; All outputs are in the process image Process image ● Inputs, adjustable 1 kbyte ● Outputs, adjustable 1 kbyte Hardware configuration Number of modules per system, max. 6 ● number of expansion boards (SB, CB, BB) 1 ● number of signal modules (SM) 6; depends on the number of CMs ● number of communications modules (CM) 3 Time of day Clock ● Hardware clock (real-time) Yes ● Backup time 480 h; Typical ● Deviation per day, max. 2 s; at 25 °C Clock synchronization ● on Ethernet via NTP Yes Digital inputs Number of digital inputs 8; Integrated ● of which inputs usable for technological functions 8; HSC (High Speed Counting) Sourcing/sinking 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 or 0.5 mA ● for signal “1” 15 V DC at 2.5 mA Input delay (for rated value of input voltage) for standard inputs — parameterizable 0.1 / 0.2 / 0.4 / 0.8 / 1.6 / 3.2 / 6.4 / 10.0 / 12.8 / 20.0 μs; 0.05 / 0.1 / 0.2 / 0.4 / 0.8 / 1.6 / 3.2 / 6.4 / 10.0 / 12.8 / 20.0 ms — at “0” to “1”, min. 0.1 µs — at “0” to “1”, max. 20 µs for interrupt inputs — Parameterizable Yes for technological functions — Parameterizable single phase: 6 HSCs @ 100 kHz & 2 standard @ 30 kHz, quadrature phase: 6 HSCs @ 80 kHz & 2 standard @ 20 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; Relays 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. Not recommended Relay outputs ● Number of relay outputs 6 ● 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 0 Analog outputs Number of analog outputs 0 Encoder Connectable encoders ● 2-wire sensor Yes Interfaces Number of PROFINET interfaces 1 1. Interface Interface type PROFINET Isolated Yes automatic detection of transmission rate Yes Autonegotiation Yes Autocrossing Yes Interface types ● RJ 45 (Ethernet) Yes; X1 — Transmission rate, max. 100 Mbit/s ● Number of ports 2 ● integrated switch Yes Protocols ● IP protocol Yes; IPv4 ● PROFINET IO Controller Yes ● PROFINET IO device Yes
