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Chapter 9: Message transfers
9
From the previous page
33
33
3 Receive (response details)
The details of the data received (response) from the node to communicate is stored in the transmis-
sion buffer (base address +0000 to 1777(8), and base address +4000 to 4015(8)).
Response
the next
page.
Transmission
buffer address
(8)
Details
+0000
Header (40 bytes)
- Normally, set 00
(H)
all 40 bytes.
When to communicate crossover two layers including
Ethernet, enter expansion header.
- [5] Two layer communication with Ethernet.
Receiving
data
[information
section]
to
+0047
+0050 r-ID: 45
(H)
+0051 ATTR: 00
(H)
+0052 COM: Command code - See page 9-14.
+0053
RSLT: Command execution result
Normal end with 00
(H)
A result that is not 00
(H)
is an error code.
- [4] Computer link, Error code table
- When used as error code, there is no response text.
+0054
Response Text: Response detail
- [3] Description of each command
to
+1777
+4000 Node number of destination node.
Sending
data
[information
section]
+4001 00
(H)
(Response message type)
+4002 to 4003 1200
(H)
(Transaction code: response)
+4004 to 4007 00
(H)
(Top address of the virtual address space)
+4010 to 4011 00
(H)
(Data length requesting to the virtual address space)
+4012 01
(H)
(Current fragment block number)
+4013 01
(H)
(Total fragment block number)
+4014 to 4015 00
(H)
(Current block length)