Table 45: Query
(continued)
Field name
Example (hex)
Starting address LO
E7 (register address 999)
Preset data HI
00
Preset data LO
01
Error check (CRC)
–
Response
The normal response is an echo of the query, returned after the register contents have been passed.
Table 46: Response
Field name
Example (hex)
Follower address
01
Function
06
Register address HI
03
Register address LO
E7
Preset data HI
00
Preset data LO
01
Error check (CRC)
–
6.1.7.6.5
Preset Multiple Registers (10 hex)
Description
This function presets values into a sequence of holding registers.
Query
The query telegram specifies the register references to be preset. Register addresses start at 0, that is, register 1 is addressed as 0.
Example of a request to preset 2 registers (set
P 4.2.2.3 Nominal Current
to 738 (7.38 A). The parameter number is 124.
Table 47: Query
Field name
Example (hex)
Follower address
01
Function
10
Starting address HI
04
Starting address LO
D7
Number of registers HI
00
Number of registers LO
02
Byte count
04
94
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