Description
SIEMENS SIMATIC S7-1200, CPU 1212C 6ES72121AE400XB0
SIMATIC S7-1200, CPU 1212C, compact CPU, DC/DC/DC, onboard I/O: 8 DI, DC 24 V; 6 DO DC 24V; 2 AI 0...10V DC, power supply: DC DC 20.4...28.8V, program memory / data memory 100 KB
General information
Product type designation CPU 1212C DC/DC/DC
Firmware version V4.6
Engineering with
● Programming package from STEP 7 V18
Supply voltage
Rated value (DC)
● DC 24 V 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
● Allowable range, upper limit (DC) 28.8 V
Input current
Current consumption (nominal value) 400 mA; CPU only
Current consumption, max. 1 200 mA; CPU with all expansion modules
Inrush current, max. 12A; at DC 28.8 V I²t 0.5 A² s
Output current
for backplane bus (DC 5 V), max. 1 000 mA; max. DC 5 V for SM and CM
Transducer power supply
24 V transducer power supply
● 24 V L+ minus 4 V DC min.
Power dissipation
Power dissipation, typ. 9 W
Memory
Work memory
● integrated 100 KB
Load memory
● integrated 2 MB
● insertable (SIMATIC Memory Card), max. with SIMATIC Memory Card
Back-up collision
● present Yes
● maintenance-free Yes
● without battery Yes
CPU processing times
for bit operations, typ. 0.08 μs; / instruction
