GE Hydran 201i Instruction Manual page 251

Hydran* 201i Instruction Manual
Field Name
Function
Starting Address Hi
Starting Address Lo
Number of Registers Hi
Number of Registers Lo
Request
Response
Error
Table J - 12: Reading of Multiple Data Registers With the Address Range 108-110
* N = Quantity of Registers
Note: With the Hydran 201Ti, the master can only write one logical value per request.
The number of registers accessed in that request depends on the type of logical value
the master is trying to change
Table J - 13 below presents, as an example, the writing of data registers with the
addresses 1 and 2.
Field Name
Function
MA-033 Rev. 14.0, 12-Nov-18
Request
(hex)
03
00
6B
00
03
Table J - 11: Format for the Write multiple registers (10h)
Function Code
Starting Address
Quantity of Registers
Byte Count
Registers Value
Function Code
Starting Address
Quantity of Register
Error Code
Exception Code
Request
(hex)
10
Response
Field Name
Function
Byte Count
Registers Value Hi (108)
Registers Value Lo (108)
Registers Value Hi (109)
Registers Value Lo (109)
Registers Value Hi (110)
Registers Value Lo (110)
1 byte 10h
2 bytes 0000h to FFFFh
2 bytes 0001h to 007Bh
1 byte 2 x N *
N x 2 Value
1 byte 10h
2 bytes 0000h to FFFFh
2 bytes 1 to 123 (7Bh)
1 byte 90h
1 byte 01 or 02 or 03 or 04 or 06
Response
Field Name
Function
(hex)
03
06
02
2B
00
00
00
64
(hex)
10
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