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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
of warnings and alarms.

Alarm word, warning word, and DeviceNet 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 DeviceNet warning word can also be
displayed using the serial bus in 

parameter 16-90 Alarm

Word

parameter 16-92 Warning Word

, and

parameter 16-05 Main Actual Value [%]

4.2  Troubleshooting

4.2.1 LED Status

The 2 bi-colour LEDs on the DeviceNet card indicate the
status of DeviceNet communication:

The lower LED (NS) indicates the net status.

The upper LED (MS) indicates the module status.

MS

Upper left LED

NS

Lower left LED

Illustration 4.1 LED Panel DeviceNet MCA 104

State

Bi-colour LED

Status

No Power

Off

There is no power applied to the option.

Device
operational

Green

The DeviceNet option is operating in
normal condition.

Standby

Green

The DeviceNet option needs commis-
sioning due to configuration missing,
incomplete or incorrect.

Minor fault

Red

Recoverable fault.

Unrecov-
erable fault

Red

Unrecoverable fault, may need replacing.

Self test

Green

The DeviceNet option is in Self-test
mode.

Red

Table 4.1 LED: Module Status (MS)

Troubleshooting

VLT

®

 DeviceNet MCA 104

12

Danfoss A/S © Rev. 03/2015 All rights reserved.

MG33D502

4

4

Содержание VLT DeviceNet MCA 104

Страница 1: ...MAKING MODERN LIVING POSSIBLE Installation Guide VLT DeviceNet MCA 104 VLT Frequency Converter Series FC 102 FC 202 FC 301 FC 302 vlt drives danfoss com...

Страница 2: ......

Страница 3: ...n 6 3 1 Safety Instructions 6 3 2 EMC compliant Installation 6 3 3 Grounding 6 3 4 Cable Routing 6 3 5 Mounting 7 3 6 Setting Address Switches 8 3 7 Electrical Installation 8 3 8 Reassembling Cover 11...

Страница 4: ...tions and manuals are available from Danfoss See www danfoss com BusinessAreas DrivesSo lutions Documentations VLT Technical Documentation htm for listings 1 3 Product Overview 1 3 1 Intended Use This...

Страница 5: ...AV Main actual value MRV Main reference value MSB Most significant bit N A Not applicable ODVA Open deviceNet vendor association OSI Open systems interconnection PC Personal computer PCD Process data...

Страница 6: ...ing the motor may start at any time Unintended start during programming service or repair work can result in death serious injury or property damage The motor can start with an external switch a field...

Страница 7: ...trical work conforms to national and local electrical codes Follow the procedures in this manual CAUTION INTERNAL FAILURE HAZARD An internal failure in the frequency converter can result in serious in...

Страница 8: ...s as short as possible Establish electrical contact between the cable screen and the frequency converter enclosure by using metal cable glands or by using the clamps provided on the equipment Use high...

Страница 9: ...3 3 or with the connector facing down for bottom cable entry see Illustration 3 4 If an MCB option is installed only top cable entry is possible 5 Remove the knock out plate from the new LCP cradle 6...

Страница 10: ...ameter 10 02 MAC ID ensure that all address switches are set to ON When the address is already set using address hardware switches the address value shown in parameter 10 02 MAC ID is read only Illust...

Страница 11: ...tripped cable between the spring loaded metal clamps to establish mechanical fixation and electrical contact between cable screen and ground 130BD877 10 1 2 1 Cable screen 2 EMC bracket Used for top c...

Страница 12: ...us connector on the fieldbus option terminal V CAN_L Drain CAN_H V 3 Prepare the fieldbus cable by stripping a section of the cable insulation Keep the unshielded wire as short as possible For cable s...

Страница 13: ...side the unit see Illustration 3 12 130BC527 10 Illustration 3 12 Wiring for Enclosure Types D E and F 3 8 Reassembling Cover 1 Mount the new front cover and the LCP 2 Attach the sticker with the corr...

Страница 14: ...2 bi colour LEDs on the DeviceNet card indicate the status of DeviceNet communication The lower LED NS indicates the net status The upper LED MS indicates the module status MS Upper left LED NS Lower...

Страница 15: ...itical link failure Red Table 4 2 LED Network Status NS 4 2 2 No Communication with the Frequency Converter When there is no communication with the frequency converter proceed with the following check...

Страница 16: ...lation 8 Electrical interference 6 EMC interference 6 EMC compliant installation 6 Exploded view 7 G Grounding 6 H High voltage 4 I Intended use 2 Items supplied 2 L Leakage current 4 LED 3 LED panel...

Страница 17: ...Index Installation Guide MG33D502 Danfoss A S Rev 03 2015 All rights reserved 15...

Страница 18: ...ts already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed All trademarks in this material are property of the respec...

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