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S7-300 Automation System CPU Specifications: CPU 31xC and CPU 31x
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RUN
STOP
MRES
BF1
BF2
SF
DC5V
FRCE
RUN
STOP
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SIMA TIC
Micr o
Memo
ry
Car d
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CPU 317-2 DP
X2
X1
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
MMC
Figure 3-4 Operator control and display elements of CPU 317-2 DP
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Bus error
Status and error displays
Slot for the Micro Memory Card (MMC)
MMC ejector
Mode selector switch
Power supply connection
Interface 1 X1 (MPI/DP)
Interface 2 X2 (DP)
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