3 - 22
3.5 Applications and Assignment of Buffer Memory
3.5.1 Buffer memory list
3
SPECIFICATIONS
 * 1  Indicates whether the reading (Read)/writing (Write) from the sequence program is enabled or 
disabled.
R: Readable           W: Writable
 * 2  Indicates whether setting on GX Configurator-MB is enabled or disabled.
: Setting enabled       : Setting disabled
(Continued on next page)
Table3.4 Buffer memory list (Continued)
Address Application Name
Initial 
value
Read/
Write
(*1)
Initial 
setting
(*2)
Reference
0F0E
H
(3854)
Communication 
status
CH1
Communication 
status
Diagnostic data 
for Master
Received exception error 
count
0
H
R
Section 
11.3
0F0F
H
(3855)
No-response count 0
H
R
0F10
H
(3856)
Broadcast count 0
H
R
0F11
H
(3857)
Received NAK count 0
H
R
0F12
H
(3858)
Received busy count 0
H
R
0F13
H 
to 0F1E
H
(3859 to 3870)
System area (use prohibited) - - - -
0F1F
H
(3871)
Communication 
event log (for 
Slave)
Communications event log 
count
0
H
R
Section 
4.13
0F20
H
 to 0F3F
H
(3872 to 3903)
Communications event log 
1 to 64
0
H
R
0F40
H
 to 0F7F
H
(3904 to 3967)
CH2
Communication 
status
(Same as CH1 communication status)
Section 
4.13
0F80
H
 to 0FFD
H
(3968 to 4093)
System area (use prohibited) - - - -
0FFE
H
(4094)
Unit test result
Hardware test result 0
H
R
Section 
6.4.1
0FFF
H
(4095)
Self-loopback test result 0
H
R
Section 
6.4.2