Lenze EMF2141IB - Manual (Page 29)

Parameter setting
6-7
L
BA2141 EN 1.0
6.2 Overview: Network variable and configuration variable
Communication with 2141 fieldbus module via network variable.
The control Variable Speed Motor Drive (VSD) is the part of the network variable defined in the
LonMark
® Functional Profile.
The Lenze control AIF-CTRL is the manufacturer-related part of the network variable. Lenze drives
are parameterised and controlled by AIF-CTRL.
The changeover between the two controls is automatic.
•
VSD is active if one of the variables nviDriveSpeedStpt or nviDriveSpeedScale gets a
new value.
•
AIF-CTRL is active if one of the variables nviAIFIn1 to nviAIFIn3 or nviAIFStw gets
a new value.
The network variable Node Object accesses the entire node.
6.2.1 Overview: Node Object
nvi00Request
SNVT_obj_request nvo00State
SNVT_obj_status
• Required network variable
• Selectable network variable
• Configuration variable
nciLocation
SNVT_str_asc
• Manufacturer-related part
Fig. 6-1 Node Object, described in chapter 6.3
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