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Installation
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ELC X-Series-V1.3-09.16-GB
subject to technical alterations
3.2.11 X1 / X2: PROFIBUS
To ensure secure data transmission the use of a PROFIBUS-specific cable is
recommended.
Connector pin assignment:
Fig. 11: Termination of PROFIBUS
The shield has to be put on Pin 1 = BUS GND. Isolate with shrunk-on sleeve.
The PROFIBUS contacts of X1 and X2 are internally connected. According to requirements
apply a terminator in compliance with PROFIBUS-Norm IEC 61158.
Pin assignment X1 / X2:
Designation
X1
X2
Description
technical
BUS GND
X1.1 X2.1 GND isolated for PROFIBUS
Shield connection PROFIBUS
BUS A
X1.2 X2.2 Data line PROFIBUS A
Bus signal A
BUS B
X1.3 X2.3 Data line PROFIBUS B
Bus signal B
BUS VCC
X1.4 X2.4 external supply voltage 5V
isolated for PROFIBUS
+5V DC isolated, output for
terminator
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