User Guide Instruction Manual

DeviceMaster UP Modbus/TCP User Guide: 2000447 Rev. I Chapter 2. Programming Interface - 39
Common Services
2.3.4.3. Common Services
40
(Default=0
No STX)
Application Transmit STX Append Value
Structure of:
Length
Value1 (Only valid if
Length not zero)
Value2 (Only valid if
Length=2)
USINT
USINT
USINT
0,1,2 (0=No STX) (Default=0)
0 to 255
0 to 255
Set/Get
41
(Default=0
No ETX)
Application Transmit ETX Append Value
Structure of:
Length
Value1 (Only valid if
Length not zero)
Value2 (Only valid if
Length=2)
USINT
USINT
USINT
0,1,2 (0=No ETX) (Default=0)
0 to 255
0 to 255
Set/Get
Service Code Implemented in Class Implemented in Instance Service Name
01 Hex Yes Yes Get_Attributes_All
02 Hex No Yes Set_Attributes_All
0E Hex Yes Yes Get_Attribute_Single
10 Hex No Yes Set_Attribute_Single
Attribute
ID
Name
Data
Type
Data Value(s)
Access
Rule