Mitsubishi Electric MELSEC iQ-R - Page 139

1 FUNCTIONS
1.5 BACnet Request Function (Write Function)
137
1
Creation of a program
Write the following data in a write target BACnet device to the access block for writing which is assigned to the buffer memory
using a program: instance number of a destination device, ObjectIdentifier of an object, PropertyIdentifier and ArrayIndex (up
to 4).
■ Values to be stored to an access block for writing
For details on the format of access blocks for writing, refer to the following section.
Page 292 Format of access blocks for writing
Offset
(Decimal address)
Name Value to be stored
+0
(400)
CONTROL Store '1' (send request) when sending a
WritePropertyMultiple(WriteProperty) service.
+1
(401)
STATUS  (No settings)
+2 to +3
(402 to 403)
Instance number of a destination device 3 (instance number of a write target device)
+4 to +5
(404 to 405)
ObjectIdentifier K4194314 (40000Ah)
b32 to b22: 1 (object type number of AnalogOutput)
b21 to b0: 10 (instance number of an object)
For the ObjectIdentifier, refer to Point in the following section.
Page 19 List of objects
+6
(406)
Property-1 PropertyIdentifier 85 (PropertyIdentifier of a PresentValue)
+7
(407)
ArrayIndex FFFFh
+8
(408)
Write data 4 (The data type of the PresentValue of an AnalogOutput object is
REAL.)
+9
(409)
0 (No priority)
+10 to +11
(410 to 411)
E1 (real number 1.0)
+12
(412)
Property-2 PropertyIdentifier FFFFh
+13
(413)
ArrayIndex  (No settings)
+14 to +17
(414 to 417)
Write data  (No settings)
+18
(418)
Property-3 PropertyIdentifier FFFFh
+19
(419)
ArrayIndex  (No settings)
+20 to +23
(420 to 423)
Write data  (No settings)
+24
(424)
Property-4 PropertyIdentifier FFFFh
+25
(425)
ArrayIndex  (No settings)
+26 to +29
(426 to 429)
Write data  (No settings)