Echelon i.LON SmartServer Technical Information Page 263

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i.LON SmartServer 2.0 Programmer’s Reference
15-14
Property Description
including the type of values it takes and its base type. If you do
not set this property, it is set to RAW_HEX and the Modbus
data point uses raw hex values.
<UCPTlength>
Specifies the size (in bytes) of the Modbus data point.
<UCPTunit>
This property is a string up to 227 characters long that describes
the units the value in which a Modbus data point is measured. It
is based on the data type assigned to the Modbus data point. A
default value will be assigned to this property if a unit for the
Modbus data point type chosen for the data point exists in the
resource files on the SmartServer.
<UCPThandle>
The handle assigned to the Modbus data point assigned by the
SmartServer. When you use the Set function to modify the
configuration of an existing Modbus data point, you must
specify the data point’s handle. If you do not specify the handle,
a new Modbus device is created. You cannot use the Set
function to modify the handle assigned to the Modbus data
point.
<UCPTbaseType>
The base type of a Modbus data point. This property may be
one of the following values:
BT_DOUBLE
BT_FLOAT
BT_SIGNED_QUAD
BT_UNSIGNED_QUAD
BT_SIGNED_LONG
BT_UNSIGNED_LONG
BT_SIGNED_SHORT
BT_UNSIGNED_SHORT
BT_SIGNED_CHAR
BT_UNSIGNED_CHAR
BT_ENUM
BT_BITFIELD
BT_ARRAY
BT_STRUCT
BT_UNION
<UCPTmodbusTable>
The data access types based on the associated Modbus device
This property may be one of the following values:
MTT_C [Coil Functions (Functions 1 & 5 single-write)].
For a single coil. Single bit, read-write data that has two
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