Publication 1763-RM001B-EN-P - April 2007
412 Communications Instructions
Note 1: Everywhere there is a question mark, this box is filled in by the user.
Note 2: Everywhere there is a value, that box also has user edits disabled.
Note 3: All other fields not mentioned here are unaffected by the Service Type.
In this example, a Get Attribute Single message reads a single attribute
value. The Class Code 0xF5 indicates TCP/IP Interface Object. The TCP/IP
Interface Object provides an attribute that identifies the link-specific
object for the associated physical communications interface. Each device
shall support exactly one instance of the TCP/IP Interface Object for each
TCP/IP capable communications interface on the module. A request to
access instance 1 of the TCP/IP Interface Object shall always refer to the
instance associated with the interface over which the request was
received.
The attribute ID 5 identifies TCP/IP network interface configuration
parameters (consist of IP address, network mask, gateway address, DNS
name)
The controller reads 30 elements for a single attribute value from the
ControlLogix controller. The 30 bytes are placed in the controller's integer
file starting at word N7:0
Service Type Pull-Down List
Auto-Fill fields
Service Service Code Class Instance Attribute
Custom ? ? ? ?
Read Assembly 0x0E 0x04 ? 3
Write Assembly 0x10 0x04 ? 3
Read Output Point 0x0E 0x10 ? 3
Write Output Point 0x10 0x09 ? 3
Read Input point 0x0E 0x08 ? 3
Read Parameter 0x0E 0x0F ? 1
Write Parameter 0x10 0x0F ? 1
Read Analog Input 0x0E 0x0A ? 3
Write Analog Output 0x10 0x0B ? 3
Generic Get Attribute
Single
0x0E ? ? ?
Generic Set Attribute
Single
0x10 ? ? ?
Generic Get Member 0x18 ? ? ?
Generic Set Member 0x19 ? ? ?
Reset Identity Object 0x05 0x01 ? N/A
efesotomasyon.com - Allen Bradley,Rockwell,plc,servo,drive
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