10. Appendix D: DeviceNet Objects
10.5. Message Router Object (class 16#02)
The “Message Router” object is the element through which all objects of the “Explicit messages” type go so that they can be routed to the objects they are intended for. It has only one instance (Instance ID = 16#01). This object is described in chapter
Attributes of class 16#02
ID | Access | Name | Need | Type | Value | Description |
16#01 | Get | Revision | Optional | UINT | 1 | Revision index of the “Message Router Object” class. |
Services in class 16#02
Service code | Name of the service | Need | Description |
16#0E | Get_Attribute_Single | Required | This service allows to read the value of one of the class attributes. |
Attributes of instance 16#01 of class 16#02
This instance has no attributes.
10.6. DeviceNet Object (class 16#03)
The “DeviceNet” object has only one instance (Instance ID = 16#01). This object contains the status of the general configuration of the gateway’s node on the DeviceNet network. It is described in chapter
IIof the DeviceNet specifications. The LUFP9 gateway is a “Group 2 only server” type subscriber (see chapter 7- 9.of volume I of the DeviceNet specifications).
Attributes of class 16#03
ID | Access | Name | Need | Type | Value | Description |
16#01 | Get | Revision | Required | UINT | 2 | Revision index of the definition of the class of the “DeviceNet |
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| gateway’s DeviceNet communications functions. (1) |
(1)This index must be between 1 and 65,535 and will be incremented if the definition of the class is replaced by a more recent definition.
Services in class 16#03
Service code | Name of the service | Need | Description |
16#0E | Get_Attribute_Single | Optional | This service allows to read the value of one of the class attributes. |
Attributes of instance 16#01 of class 16#03
ID | Access | Name | Need | Type | Value |
16#01 | Get | MAC ID | Required | USINT | 0 to 63 |
The value of this attribute corresponds to the gateway’s address on the DeviceNet network (MAC ID), that is to say to the address configured using the selector switches described in chapter 2.7.2 Encoding the Gateway Address, page 21.
16#02
Get | Baud rate | Optional | USINT | 0 to 2 |
The value of this attribute corresponds to the baud rate of the DeviceNet network, as configured on the gateway using the selector switches described in chapter 2.7.1 Encoding DeviceNet Speed, page 20. This speed must be the same for all subscribers on the DeviceNet network. The few possible values for this attribute are as follows: 0 (125 kbits/s), 1 (250 kbits/s) and 2 (500 kbits/s).
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