Danfoss VLT HVAC Drive FC 102 Panduan Instalasi - Halaman 16

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Danfoss VLT HVAC Drive FC 102 Panduan Instalasi

Troubleshooting

4 Troubleshooting

4.1 Warnings and Alarms

NOTICE
Refer to the relevant operating instructions for an
overview of warning and alarm types and for the full list
4
4
of warnings and alarms.
Alarm word, warning word, and PROFIBUS warning word
are shown on the frequency converter display in hex
format. When there is more than 1 warning or alarm, the
sum of all warnings or alarms is shown. Alarm word,
warning word, and PROFIBUS warning word can also be
shown via fieldbus in:
•
Parameter 16-90 Alarm Word.
•
Parameter 16-92 Warning Word.
•
Parameter 9-53 Profibus Warning Word.
For warning 165, Baud rate search, refer to Table 4.1.
Bit (hex)
Unit
diagnose
bit
00000001
00000002
00000004
00000008
00000010
00000020
00000040
00000080
00000100
00000200
00000400
00000800
00001000
00002000
00004000
00008000
Table 4.1 Parameter 9-53 Profibus Warning Word
14
VLT
PROFIBUS warning word
(parameter 9-53 Profibus Warning
Word)
160
Connection with DP-master is not OK.
161
Unused
162
FDL (fieldbus data link layer) is not
OK.
163
Clear data command received.
164
Actual value is not updated.
165
Baud rate search.
166
PROFIBUS ASIC is not transmitting.
167
Initialising of PROFIBUS is not OK.
152
Drive is tripped.
153
Internal CAN error.
154
Wrong configuration data from PLC.
155
Wrong ID sent by PLC.
156
Internal error occurred.
157
Not configured.
158
Timeout active.
159
Warning 34 active.
Danfoss A/S © 07/2015 All rights reserved.
®
PROFIBUS DP MCA 101
4.2 Troubleshooting

4.2.1 LED Status

The 2 bicolour LEDs on the PROFIBUS card indicate the
status of PROFIBUS communication:
•
The lower LED (NS) indicates the net status, that
is, the cyclic communication to the PROFIBUS
master.
•
The upper LED (MS) indicates the module status,
that is, acyclic DP-V1 communication from either
a PROFIBUS master class 1 (PLC) or a master class
2 (MCT 10 Set-up Software, FDT tool).
MS
NS
MS
NS
Illustration 4.1 LED Panel VLT
ON
MCA 101
S600
Option A
PROFIBUS
130B1100
ON
MS
OFF
NS
S300
ON
8 7 6 5 4 3 2
1
OFF
ON
Upper left LED
Lower left LED
®
PROFIBUS DP MCA 101
NS
MS
ON
MG33C602