Danfoss VLT FC 100 Manual
Also see for FC 100 Series: Operating instructionsInstruction manualManualManualProgramming guide
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7. How to access FC 100 parameters7.1. User-defined Network Variables UNVT7.1.1. UNVT Parameter structureTwo special User-defined Network Variables (UNVT) have been defined to enable access to FC100 parameters via LonWorks:Variable name: UNVT type:nviParamRequest UNVT_param_requestnvoParamResponse UNVT_param_responseThe parameter- or attribute request has the following structure:UNVT_param_requestField Range Type SizeRequest 1 = Read value2 = Write value Enum 1 bytePar_number Parameter number Unsigned long 2 bytesSubindex Subindex (0-255) Unsigned 1 byteValue Parameter value Unsigned quad 4 bytesThe parameter- or attribute response has the following structure:UNVT_param_responseField Range Type SizeResponse0 = Error response1 = Read response2 = Write responseEnum 1 bytePar_number Parameter number Unsigned long 2 bytesLength Length of “value” field (0-27) Unsigned 1 byteValue Parameter or parameter attributevalue Unsigned 0-27 bytesIf an incorrect Read or Write request is encountered, an error message will be returned in the[Value] field, byte 0 and byte 3.Error description: Error code in Value [0]: Error code in Value [3]:Invalid request type 0xFF 1Invalid parameter number 0xFF 2Invalid data type 0xFF 3No write access 0xFF 4Exceed limits 0xFF 5Invalid subindex 0xFF 6Not array 0xFF 7Only reset 0xFF 8Not changeable 0xFF 9Not in this mode 0xFF 10No bus access 0xFF 11Other error 0xFF 0xFEVLT® FC 100 LonWorks 7. How to access FC 100 parametersMG.11.E1.02 - VLT® is a registered Danfoss trademark 497 |
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