Chapter 4 - Parameters and Menu Structure
I/O and Hardware (M5)
148 | 180
Siemens Industry, Inc.
Siemens BT300 HVAC Drive
DPD01809
Building Technologies
2016-06-07
Example messages
Example 1
Write the process data 42001 through 42003 with command 16 (Preset Multiple Registers).
Command Master - Slave:
ADDRESS
01 hex Slave address 1 hex (= 1)
FUNCTION
10 hex Function 10 hex (= 16)
DATA
Starting address HI
07 hex Starting address 07D0 hex (= 2000)
Starting address LO
D0 hex
No. of registers HI
00 hex
No. of registers LO
03 hex Number of registers 0003 hex (= 3)
Byte count
06 hex Byte count 06 hex (= 6)
Data HI
00 hex Data 1 = 0001 hex (= 1). Setting control word run bit to 1.
Data LO
01 hex
Data HI
00 hex Data 2 = 0000 hex (= 0).
Data LO
00 hex
Data HI
13 hex Data 3 = 1388 hex (= 5000), Speed Reference to 50.00%
Data LO
88 hex
ERROR
CRC HI
C8 hex CRC field C8CB hex (= 51403)
CHECK
CRC LO
CB hex
Message frame:
01
10
07
D0
00
03
06
00
01
00
00 13 88 C8 CB
The reply to Preset Multiple Registers message is the echo of the 6 first bytes.
Answer Slave - Master:
ADDRESS
01 hex Slave address 1 hex (= 1)
FUNCTION
10 hex Function 10 hex (= 16)
DATA
Starting address HI
07 hex Starting address 07D0 hex (= 2000)
Starting address LO
D0 hex
No. of registers HI
00 hex Number of registers 0003 hex (= 3)
No. of registers LO
03 hex
ERROR
CRC HI
80 hex CRC 8085 hex (= 32901)
CHECK
CRC LO
85 hex
Reply Frame:
01
10
07
D0
00
03
80
85
Содержание BT300 LonWorks
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