Data Sheet

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
● Repeat rate, min.
1/s
Input current
Current consumption (rated value) 0.8A; Without load; 9.8 A: CPU + load
Current consumption, max. 1A; Without load; 10 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
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
Infeed power to the backplane bus 10W
Power consumption from the backplane bus
(balanced)
8.5W
Power loss
Power loss, typ. 11.8W
Memory
Number of slots for SIMATIC memory card 1
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
6ES7511-1CK01-0AB0 Subject to change without notice
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09/13/2019 © Copyright Siemens