
B-63434EN/02 DESCRIPTION 3.MESSAGE TRANSMISSION
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3.7.3 Virtual address space allocation
Virtual address space used for byte block read/write and word block
read/write with confirmation is allocated in the PMC area as
described below.
Virtual address space for byte block data with confirmation
Table 3-4 Virtual Address Space for Byte Block Data with Confirmation
Allocation in PMC
Symbol Type of signal Address
(decimal)
Virtual address
space
(hexadecimal)
Remarks
X Signal from machine
to PMC
X0000 or
higher
01000000h or
higher
Read only
Y Signal from PMC to
machine
Y0000 or
higher
01004000h or
higher
Read only
F Signal from NC to
PMC
F0000 or
higher
01008000h or
higher
Read only
G Signal from PMC to
NC
G0000 or
higher
0100C000h or
higher
Read only
R Internal relay R0000 or
higher
01010000h or
higher
Read/write
D Data table D0000 or
higher
01014000h or
higher
Read/write
Virtual address space for word block data with confirmation
Table 3-5 Virtual Address Space for Word Block Data with Confirmation
Allocation in PMC
Symbol Type of signal Address
(decimal)
Virtual address
space
(hexadecimal)
Remarks
X Signal from machine
to PMC
X0000 or
higher
01000000h or
higher
Read only
Y Signal from PMC to
machine
Y0000 or
higher
01002000h or
higher
Read only
F Signal from NC to
PMC
F0000 or
higher
01004000h or
higher
Read only
G Signal from PMC to
NC
G0000 or
higher
01006000h or
higher
Read only
R Internal relay R0000 or
higher
01008000h or
higher
Read/write
D Data table D0000 or
higher
0100A000h or
higher
Read/write
NOTE
Only installed address space in the PMC can be
accessed. Check PMC address space before use.