Mitsubishi Electric MELSEC-Q Series User Manual page 342

(9) Automatic update buffer
This area stores data automatically updated when transient transmission (communications using the automatic
update buffer) is performed with an AJ65BT-R2(N). The automatic update buffer size of the AJ65BT-R2(N) is set
using the network parameter. (
Communications using the automatic update buffer
Ex.
CPU module
G(P).RIFR
D
1.
The automatic update buffer for the first station is accessed.
2.
The data specified in the control data is stored in the device of the CPU module.
*1 For timing of the automatic update, refer to the manual for the AJ65BT-R2(N). (
Module User's Manual (Nonprocedural Protocol Mode))
340
Page 102, Section 7.3.2 (2))
Master station
1.
Automatic
update buffer
for the first
2.
station
*1
Automatic update
AJ65BT-R2(N) (first station)
Buffer memory
Automatic
update
buffer
memory
CC-Link System RS-232 Interface