ProSoft Technology MVI69-EGD User Manual
Page 68
MVI69-EGD ♦ CompactLogix or MicroLogix Platform
Reference
GE Ethernet Global Data Communication Module
Page 68 of 96
ProSoft Technology, Inc.
November 3, 2008
PDU Type = 8
Summary Response.
The summary response PDU is used to respond to a summary request. This
PDU returns a list of exchanges which are currently defined on the responding
node. This message is of variable length; the number of summaries, or cells,
included in the message is returned in the header of the message. If the number
of cells returned is less than the total number of cells, remaining summaries can
be retrieved by subsequent requests with a larger index variable.
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 08
Message Flag:
1
1
0x HH
Request ID:
2
2
0x HH HH
PVN1:
4
1
0x 01
Reserved:
5
1
0x HH
Message Length:
6
2
0x HH HH
Index:
8
1
0x HH
Producer ID:
9
4
0x HH HH HH HH
Total Cells:
(Qty of exchange cells
defined for this node)
13
2
0x HH HH
Cells contained in the
message:
15
2
0x HH HH
The following six items are referred to as the exchange Cell. Each Cell
targets one [EGD Exchange] command line present in the EGD Module's
configuration file. Cell Qty is limited to [EGD Exchange] command lines
present in the module's configuration file.
Producer ID:
17
4
0x HH HH HH HH
Exchange ID:
21
4
0x HH HH HH HH
Mode:
25
1
0x HH
Reserved:
26
1
0x HH
State:
27
2
0x HH HH
UDP
EGD:
Production Period:
29
4
0x HH HH HH HH