MOBY D
System Manual, 01/2010, J31069-D0147-A6-7618
293
Troubleshooting/FAQ
12
What shall I do when nothing works?
1. Check the supply voltage directly on the SLG connector with a voltmeter.
2. Check the cables to the computer
– Do the SLG and the computer have the same physical interface?
– Is the polarity of the connecting cable (RS 232) correct?
(RxD of SLG must be connected to TxD of computer and vice-versa)
– Is the cable shield connected correctly?
Error messages
More information on error messages can be found at MOBY D C/C++ MDWAPI
Programming Manual (http://support.automation.siemens.com/WW/view/en/12429971
).
The range of the SLG is too small
When the range of the SLG is too small, you must check
● Power supply unit/switched-mode power supply (see the Section
Planning the MOBY D
system
regarding interference)
● Whether monitors or other sources of interference are nearby (see the Section
Planning
the MOBY D system
)
● Whether metal is in the immediate vicinity (see the Section
Planning the MOBY D
system
)
● To achieve optimal write/read distances with ANT D5, a metal plate is required at a
distance of 100 mm (see the Section
Planning the MOBY D system
)
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