Fieldbus communications. For information about the FLXA21 other than FOUNDATION Fieldbus, refer to the User’s Manual (IM 12A01A02-01E). n Notes on Handling User’s Manuals • Please hand over the user’s manuals to your end users so that they can keep the user’s manuals on hand for convenient reference.

The PPO type of the FC302 is a read only parameter, i can't change it. The inverter shows Fieldbus fault [W34], the parameter 9-53 shows "A021 hex" and the 9-63 says "no baud rate found. About the HWconfig of the master, please see attachment.

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But if I use the previous method wher a Generic Ethernet Module is used instead of the EDS file, I keep getting W34 (Fieldbus fault). Does anyone know if the Generic Ethernet Module is capable of running DLR? Warren reveals the five most common solutions—running a rescan, checking the supply power and end of line resistor, shield wiring and the length of wire and 3 Danfoss drive VLT 5000 are giving Warning 34 for Communication fault this occurred after a power surge .3 other drives on the same profibus network are ok.I have gone thru the manual and not success, we have copied parameters of one healthy danfoss to the faulty ones, tried even to change the profibus cable but the warning is still.Please i do believe the drives are ok can it be a hardware 3.11 Parameters 10-** CAN Fieldbus 105 3.12 Parameters 13-** Smart Logic 108 3.13 Parameters 14-** Special Functions 126 3.14 Parameters 15-** Drive Information 134 3.15 Parameters 16-** Data Readouts 140 3.16 Parameters 18-** Data Readouts 2 147 3.17 Parameters 20-** FC Closed Loop 149 3.18 Parameters 21-** Extended Closed Loop 159 Earth fault (EARTH FAULT) YES: YES: 15: Switch mode fault (SWITCH MODE FAULT) YES: YES: 16: Short circuit (CORR. SHORT CIRCUIT) YES: YES: 17: Serial communication timeout (STD BUSTIMEOUT) YES: YES 18: HP fieldbus timeout (HPFB TIMEOUT) YES: YES 19: Fault in EEPROM on control card: YES 20: Fault in EEPROM on power card: YES 21: Auto-optimization First of all PROFIBUS is the only fieldbus that can be used in all parts of the factory (upstream, process and downstream). This means you can use 1 type of control system, 1 knowledge package, 1 group of spare parts and 1 design strategy. PROFBUS also has a very large number of manufacturers offering products and services.

The fieldbus protocol involves only four layers and a set of management services. Fieldbus has the advantage that the user should not have to be concerned with the Data Link layer or the Application layer. As far as the end user is concerned, they should simply work.

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Operating an AC drive using a fieldbus reduces system costs, makes communication faster and more efficient and provides an easier user interface. ENGINEERING TOMORROW

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Now, we can try looking at diagnostics form another source: here is some information from Danfoss and Danfoss users on the Fieldbus error W34: Troubleshooting FC Programming Guide. Look at page 212, extract as attachment below. This seems to indicate that the Profinet interface card on the drive is not installed or parameterized properly. After a couple of minutes without communications, you will get "Fieldbus Fault W34", a comm failure on the card. It has no effect on the operation of the VFD, but if you want it to go away you can do one of 3 things: 1. Connect your bacnet comm (with some bacnet traffic).
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Look at page 212, extract as attachment below. This seems to indicate that the Profinet interface card on the drive is not installed or parameterized properly.

I have check the example from Danfoss, they use an IM151-8 as well, and everything that was done was according to the manual. Danfoss feldbusfehler W34. Save on Tools. Free 2-Day Shipping with Amazon Prim Warning 34 won't hurt anything.
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937x-FB2-Px-PP Fieldbus barrier system 6-spur & 12-spur, GRP enclosures November 2016 INM 937x-FB2-Px PP Rev 3 Instruction manual MTL fieldbus networks

. . . If a fault occurs at the spur, the output switches off quickly reducing the current to 1 mA (fold back). The output returns to normal operation when the fault has been cleared. Even in the unlikely event of multiple concurrent short circuits, the additional current demanded of the fieldbus power supply is minimized. 580 Fieldbus - Electronics Made Easy!

580 Fieldbus - Electronics Made Easy! Innovative Graphic Display is used for easy . commissioning, visual status & diagnostics. Commissioning . Capabilities • Set network address (including IP & Subnet mask for Ethernet) • Set baud rate • Set brightness • Set factory defaults. Visual Diagnostics • …

Connect your bacnet comm (with some bacnet traffic) (section 4) the fieldbus address is set to 47, but this parameter can be set to any value be-tween 1-247. Caution!

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