Troubleshooting; Appendix B - Specifications - Danfoss MCD 200 Installation Instructions Manual

Appendix B - Specifications

11.9. Troubleshooting

The Remote Operator display and status indication LEDs can indicate abnormal operating and
system conditions.
Display
Indication
nEt on
display
SP flashing
on display
12. Appendix B - Specifications
Enclosure
Dimensions ............................................................................... 35 mm (W) x 157 mm (H) x 90 mm (D)
Weight ....................................................................................................................................... 250 g
Protection ..................................................................................................................................... IP20
Mounting
Spring-action plastic mounting clips (x 2)
Connections
Soft starter ............................................................................................................. 6-way pin assembly
Network .......................................................... 5-way male and unpluggable female connector (supplied)
Maximum cable size ................................................................................................................ 2.5 mm
Settings
Protocol ............................................................................................................. Modbus RTU, AP ASCII
Address range ........................................................................................................................... 0 to 31
Data rate (bps) ............................................................................................. 4800, 9600, 19200, 38400
Parity .............................................................................................................. None, Odd, Even, 10-bit
Timeout ..................................................................................................... None (off), 10 s, 60 s, 100 s
Certification
C ............................................................................................................................. IEC 60947-4-2
CE .............................................................................................................................. IEC 60947-4-2
Problem
A loss of communication
has been detected on the
RS485 link to the network.
Soft starter is off and being
programmed from the serial
network.
MG.17.F5.02 - VLT® is a registered Danfoss trademark
Possible Solution
The Remote Operator has an RS485 Network Timeout
Protection setting (Parameter 3). This error is reported when
no communication occurs for longer than the timeout setting.
The system will become active as soon as communication is
restored.
To clear nEt from the display, press the Data/Prog pushbutton
momentarily or send a Reset command from the network
Master.
Finish soft starter network programming procedure and exit
Programming Mode.
MCD Modbus Module Instructions
2
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