Product data sheet
General information
Product type designation CPU 1511C-1 PN
HW functional status FS01
Firmware version V1.8
Engineering with
● STEP 7 TIA Portal configurable/integrated as of
version
V13 SP1 Update 4
Configuration control
via dataset Yes
Display
Screen diagonal (cm) 3.45 cm
Control elements
Number of keys 6
Mode selector switch 1
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
Input current
Current consumption (rated value) 0.8 A; Digital onboard I/O modules are supplied separately
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
Power consumption from the backplane bus
(balanced)
8.5 W
Infeed power to the backplane bus 10 W
Power loss
Power loss, typ. 11.8 W
Memory
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