IDEC WindO/I-NV4, Руководство пользователя

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WindO/I-NV4 User’s Manual
3-115
7 BACnet Communication
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Allocate device addresses to Present_Value
Configure the parameters in the Present_Value Settings dialog box.
■ Device for Present_Value
Configures the device address to store Present_Value.
According to
Conversion type , 1 or 2 continuous words of address number are used starting from the specified
address number of Device Address.
■ Conversion type
Configures the data type of the device addresses to which Present_Value (float) is allocated. For details, refer to
Present_Value in “Analog Output Object” on page 3-137.
■ Coefficient
The product of Present_Value multiplied by 1/coefficient multiplied is stored in the device addresses.
Value of device addresses = Present_Value × (1/coefficient)
Example:
The coefficient is multiplied as a Float32(F) value. The conversion order is as follows.
Present_Value
→
Device Addresses
(1) Present_Value is multiplied by (1/coefficient).
(2) The data type of the result of (1) (Float32(F)) is converted.
Device for Present_Value Conversion type Storage Destination
Present_Value for reading
UBIN16(W), BIN16(I) The address number of Top Device 0
UBIN32(D), BIN32(L), Float32(F)
The address number of Top Device 0,
The address number of Top Device 1
Specify the Top Device Address so that the address number of device address is not exceeded.
Present_Value Coefficient Device Addresses Data Type Value
10.0 0.01 #D0000 UBIN16(W) 1000
1.25 0.5 #D0000, #D0001 Float32(F) 2.5