
Chapter 2 Specification of Communication port for CPU module
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Transmitting area and receiving are information
In ASR communication, areas for the I/O memory which store message data to transmit and which store message data
received need to be specifies.
Both the size which can be transmitted and received are 1 to 730 words.
Table 2.8 Transmitting and receiving are information for ASR communication
I/O memory area which can be specified
Type
EHV-CPU128 EHV-CPU64 / 32 / 16
Number of areas
which can be
specified
WX (*1)
WY (*1)
WEX (*1)
WEY (*1)
WR 0 to FFFF
WL 0 to 3FF
1000 to 13FF
2000 to 23FF
3000 to 33FF
4000 to 43FF
5000 to 53FF
6000 to 63FF
7000 to 73FF
WM 0 to 7FFF
1 Transmitting area
information
WN 0 to 1FFFF 0 to 7FFF
10 areas (*2)
WY (*1)
WEY (*1)
WR 0 to FFFF
WL 0 to 3FF
1000 to 13FF
2000 to 23FF
3000 to 33FF
4000 to 43FF
5000 to 53FF
6000 to 63FF
7000 to 73FF
WM 0 to 7FFF
2 Receiving area
information
WN 0 to 1FFFF 0 to 7FFF
1 area
*1: Depends on the I/O assignment.
*2: The size which can be transmitted is up to 730 words totally regardless the number of setting areas
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