ProSoft Technology MVI69-EGD - Manual (Page 66)

MVI69-EGD ♦ CompactLogix or MicroLogix Platform Reference
GE Ethernet Global Data Communication Module
Page 66 of 96 ProSoft Technology, Inc.
November 3, 2008
Capabilities PDUs
PDU Type = 9
Capabilities Request
The capabilities request PDU command permits an application program to
request the supported capabilities of the EGD implementation on the destination
node. A capabilities request sent from a requesting node must be followed by a
capabilities response message from the responding node.
Packet
Info Description Data
Source Port: 7937 (0x 1F01)
Destination Port: 7937 (0x 1F01)
Length: xx bytes (0x 00 XX)
Checksum: xxxxx (0x XX XX)
EGD's PDU Field: Offset Bytes Hex code
PDU Type: 0 1 0x 09
Message Flag: 1 1 0x HH
Request ID: 2 2 0x HH HH
PVN1: 4 1 0x 01
Reserved: 5 1 0x HH
UDP
EGD:
Message Length: 6 2 0x HH HH
PDU Type = 10
Capabilities Response.
The capabilities response command PDU is sent in response a capabilities
request. This message returns the functional capabilities and limits of the
supported EGD implementation on the responding controller.
Packet
Info Description Data
Source Port: 7937 (0x 1F01)
Destination Port: 7937 (0x 1F01)
Length: xx bytes (0x 00 XX)
Checksum: xxxxx (0x XX XX)
EGD's PDU Field: Offset Bytes Hex code
PDU Type: 0 1 0x 0A
Message Flag: 1 1 0x HH
Request ID: 2 2 0x HH HH
PVN1: 4 1 0x 01
Status: 5 1 0x HH
Message Length: 6 2 0x HH HH
UDP
EGD:
Producer ID: 8 4 0x HH HH HH HH