Message router object (02 hex), Class attributes, Instance attributes – Comtrol UP DeviceMaster User Guide User Manual
Page 51: Common services, Connection manager object (06 hex), Instance object specific services

DeviceMaster UP Modbus/TCP User Guide: 2000447 Rev. I
Chapter 2. Programming Interface - 51
Message Router Object (02 Hex)
2.3.6.2. Message Router Object (02 Hex)
The Message Router Object provides a messaging connection point through which a client may address a
service to any object or instance residing in the physical device.
2.3.6.2.1. Class Attributes
2.3.6.2.2. Instance Attributes
2.3.6.2.3. Common Services
2.3.6.3. Connection Manager Object (06 Hex)
The Connection Manager Object provides services for connection and connection-less communications.
This object has no supported attributes.
2.3.6.3.1. Instance Object Specific Services
DeviceMaster UP supports the following instance object specific services:
Attribute ID
Name
Data Type
Data Value(s)
Access Rule
1
Revision
UINT
1
Get
Attribute
ID
Name
Data Type
Data Value(s)
Access
Rule
1
Object List
Structure of:
Number
Classes
UINT
Array of UINT
Number of supported class codes
List of supported class codes
Get
2
Max Connections
UINT
128
Get
Service Code Implemented in Class Implemented in Instance
Service Name
01 Hex
No
Yes
Get_Attribute_All (Class only)
0E Hex
Yes
Yes
Get_Attribute_Single
(Instance only)
Service Code
Service Name
Service Description
4E Hex
Forward_Close
Closes a connection.
52 Hex
Unconnected_ Send
Unconnected Send Service.
54 Hex
Forward_Open
Opens a connection.