Hitachi S10mini User Manual page 142

5 USER GUIDE
[Function]
• Reception word count will be transferred to the area which is specified received transparent
message by reception data storage address
• If there is no transparent message from a reception destination node number, a parameter error
occurs.
• When the reception destination node number is 0, the first-retrieved data within a transparent
message queue transfers to the reception data storage address without regard to the
transmission source node number (this transfer does not take place in order of reception). If
no transparent message is received, a parameter error occurs.
• When the user-specified data word count is lower than the actually reception word count, only
as many words of message data as specified by the user will be transferred.
• A transparent message transfers to the reception data storage address in the following format:
Reception
data storage
address
Note: When the user-specified data word count is expressed by an odd number of bytes, the 1-
byte data "0x00" is added to the finally-transferred reception data.
+0x0000
Transparent TCD number
+0x0002
Transmission source node number
+0x0004
One-to-N transmission message flag
+0x0006
Reception word count (in bytes)
+0x0008
Message data section
+0x408
5-90
The one-to-N transmission
message flag indicates
whether the received
transparent message was
sent in the form of a
one-to-N transmission.
One-to-N transmission = 1
One-to-one transmission = 0