Pinout Of The D-Sub Socket Of The Cm 1243-5 - Siemens SIMATIC S7-1200 System Manual
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Also See for SIMATIC S7-1200:
- Function manual (527 pages) ,
- Manual (364 pages) ,
- System manual (338 pages)
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Technical specifications
Dimensions and weights
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Weight
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The current load of an external consumer connected between VP (pin 6) and DGND (pin 5) must not
)
exceed a maximum of 15 mA (short-circuit proof) for bus termination.
Note
The CM 1243-5 (PROFIBUS master module) must receive power from the 24 V DC sensor
supply of the CPU.
A.16.1.4
Pinout of the D-sub socket of the CM 1243-5
PROFIBUS interface
Table A- 242 Pinout of the D-sub socket
Pin
1
- not used -
2
- not used -
3
RxD/TxD-P: Data line B
4
CNTR-P: RTS
5
DGND: Ground for data signals and VP
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK
Width
Height
Depth
Net weight
Weight including packaging
Description
30 mm
•
100 mm
•
75 mm
•
134 g
•
171 g
•
Pin
6
VP: Power supply +5 V only for bus terminating
resistors;
not for supplying external devices
7
- not used -
8
RxD/TxD-N: Data line A
9
- not used -
Housing
Ground connector
Technical specifications
A.16 Communication interfaces
Description
1533
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