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SMP16-SFT251
3
Interfaces
3.1
Overview of the Interfaces
Pin
Design
X1
Socket strip, 20-pin
X2
Multi-point terminal strip, 96-pin
X3
Sub D socket, 15-pin
X4
Sub D socket, 15-pin
S1
DIP switch, 8-pin
S2
DIP switch, 8-pin
X3
F1
X4
F2
F1, F2: Safety fuses
Figure 3.1
Overview of the connection and setting elements
©Siemens AG 2003, All Rights Reserved
(4)J31069-D2090-U001-A1-7618
1
S1
8
8-fold DIP switch
1
S2
8
Use
Reserved
SMP16 bus interface
Input, counting channel 0
Input, counting channel 1
Switch, 24 V technology ↔ RS 422, channel 0
Switch, 24 V technology ↔ RS 422, channel 1
Interfaces
X2
17
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