FS-8700-97_Lutron_Machine Manual Page 13 of 24
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4.4.6. Map Descriptor Example 3 - Binary Input (Area Machine)
A read from the Binary Input Data Array which is shared by a BACNet IP Map Descriptor will return the scene-on state for the given
area. The Lutron Machine Map Descriptor regularly polls the eLumen panel to retrieve the scene-on state for the given area. The
value returned by the BACNet object is inactive (0) if the off scene is selected and active (1) if any other scene is selected. The off
scene numbers range from 0 to 65535 and are preloaded in the Data Array specified under “DA_Lut_List”.
BACNet IP Map Descriptor
// Client Side Map Descriptors
Map_Descriptors
Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, Node_name, Data_Type, Object_ID, Length, Relinquish_Default
SMD00_BI, Binary_Input, 0, Server, Virtual_BCU_11, BI, 1, 512, 0
Lutron Machine Map Descriptor
// Client Side Map Descriptors
Map_Descriptors
Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, Node_name, Grafik_Command, Area, DA_Lut_List, DA_Lut_List_Offset, Length
Area_sts_0, Binary_Input, 0, ARCO, LUT_GRF6_0, area_sts_offscene, 0, off_scene, 0, 512
The ARCO function is the same as RDBC except that the Map Descriptor length is taken as the number of areas to poll. The start
area number is specified under the “Area” Map Descriptor field. More than one ARCO Map Descriptor may be used to poll two series
of area numbers, eg. from 5-10 and from 300-340. ARCO Map Descriptors with Length 1 perform the same function as RDBC Map
Descriptors with the same length.
The Data Array specified under “DA_Lut_List” must be preloaded with scene numbers as shown below:
//================================================================================
// Binary Input Scenes Setup
//
// All values are in decimal ( 0 - 65535 )
// Insert the off-scene number in the preload_data_value field
Preloads
Data_Array_Name , Preload_Data_Format , Preload_Data_Value , Location
// Binary Input Object ID 1
off_scene , Uint16 , 0 , 0
// Binary Input Object ID 2
off_scene , Uint16 , 1 , 1
