CPU modules
4.2 CPU module CPU550/CPU551
SIMATIC TDC hardware
100
System Manual, 08/2017, A5E01114865-AL
Digital inputs
Number
8
Version
4 of the 8 digital inputs support interrupts
Electrical isolation
No
Input voltage
•
Rated voltage
•
For 0 signal
•
For 1 signal
24 V
-1 V to +6 V
+13.5 V to +33 V
Input current
•
For 0 signal, normally
•
For 1 signal, normally
0 mA
3 mA
Delay time per channel, max.
(Minimum cycle during which interrupt tasks can
be triggered.)
100 µs
Interfaces
Serial service interface (X1)
•
Functions for the user program
–
Testing and commissioning
–
Loading the program
•
Transmission rate
RS232 interface (V.24)
with CFC or “Basic commissioning”
from the PC
19.2 Kbps
Communication
Communication functions
Local CPU coupling
Max. number of configured send/receive chan-
nels (independent of the protocol used)
1000
Voltage, currents
Rated voltages at 25 °C
Typical current consumption
6DD1600-0BA1
6DD1600-0BA2
6DD1600-0BA3
+5 V
1.5 A
1.3 A
+3.3 V
2.0 A
1.7 A
+12 V
40 mA
20 mA
-12 V
40 mA
20 mA
Backup battery
2.2 / 3 µA
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