Troubleshooting/Faq - Siemens SIMATIC MOBY D System Manual

Troubleshooting/FAQ

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
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
● Whether monitors or other sources of interference are nearby (see the Section
● Whether metal is in the immediate vicinity (see the Section
● To achieve optimal write/read distances with ANT D5, a metal plate is required at a
MOBY D
System Manual, 01/2010, J31069-D0147-A6-7618
– 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?
system
regarding interference)
the MOBY D system
)
system
)
distance of 100 mm (see the Section
Planning the MOBY D system
12
Planning the MOBY D
Planning
Planning the MOBY D
)
293