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Digital inputs (X2)
An interface module is connected to the 10-pin RJ-45 socket with polarity reversal protection
via cable SC66.
Table 3- 4
n.c.: n.c.
3.1.8
Technical specifications/performance features
Order number
CPU module CPU550
CPU module CPU551
CPU module CPU551, order number 6DD1600-0BA1, is replaced with the module with order
number 6DD1600-0BA2 (100 % spare part compatibility).
Note
Where two different values are specified for a feature (separated by „/") in the manual, the
first is valid for the module with order number 6DD1600-0BA1 and the second for the module
with order number 6DD1600-0BA2.
CPU
Processor
Clock frequency
SIMATIC TDC hardware
System Manual, 12/2013, A5E01114865-07
Pin assignment X2 and cable SC66
X2
PIN
Designation
1
Ground
2
Digital input 0 (supports interrupts)
3
Digital input 1 (supports interrupts)
4
Digital input 2 (supports interrupts)
5
Digital input 3 (supports interrupts)
6
Digital input 4
7
Digital input 5
8
Digital input 6
9
Digital input 7
10
Ground
3.1 CPU module CPU550/CPU551
PIN CPU side
n.c.
2
3
4
5
6
7
8
9
10
6DD1600-0BA0
6DD1600-0BA1 / 6DD1600-0BA2
64 bit RISC processor
266 / 500 MHz cycle
CPU modules
SC66
PIN interface
module
n.c.
1
2
3
4
5
6
7
8
10
65
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