Vacon 100 INDUSTRIAL - Page 49

Fault tracing vacon • 47
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
7
Figure 10. Fault tracing diagram for Modbus TCP
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Check cabling
Check parameter M1.15 OR P3.2.1
No communication
Counter OK
Poor communication
Check communi- cation status (par. 5.7.3.2.1/5.8.3.2.2)
Counter does not run
Counter for bad frames (see Table 3) increases
Check fieldbus parameters
busparametersin menu
Check other field-
Check selected
protocol
Is the device in READY state?
Check Master’s parameters
Is fieldbus selected as control place?
Does Master give RUN command?
Check cabling
Other bus devices
Check connections Check the led on keypad
Check external interlockings (I/O)
Check distances between cables, see chapter 4.4.
Check stripping of cables and conductors, see chapter 4.
Use keypad to monitor variable
Check cable for cuts Check correct place- ment of conductors in terminals
Check other necessary devices (e.g. router)
Drive does not start from the bus
Check cable types and lenghts, see chapter 3.
Check e.g WLAN or other routers
Check IP address, gateway etc.
9329.emf