Mitsubishi Electric MELSEC-A Series User Manual page 25

1
OVERVIEW
(4) Frames can be added at the time of data exchange with the external device.
Any fixed data (frame) can be added to the beginning and end of the original data,
which allows data communications in any data format appropriate to the specifications
of the external device.
There are two frame types: Default registration frames that have been registered in
the AJ65BT-R2N and User registration frames that the user is required to register to
the E
For details of Nonprocedural protocol mode, refer to the following manual.
Protocol Mode)
(5) Data can be sent automatically upon satisfaction of user-defined conditions.
When user-specified send conditions (values in RX, RY and/or RW) are met, data are
automatically sent to the external device.
For details of Nonprocedural protocol mode, refer to the following manual.
Protocol Mode)
2
PROM.
CC-Link System RS-232 Interface Module User's Manual (Nonprocedural
AJ65BT-R2N
Figure 1.6 User registration frame function
CC-Link System RS-232 Interface Module User's Manual (Nonprocedural
Master module
Monitoring the status
End frame
of RX, RY, RW, etc.
Upon satisfaction of conditions,
AJ65BT-R2N
Figure 1.7 Monitoring-based transmission function
Any frame can be added!
Arbitrary data
Sending data
Arbitrary data
External device
Receiving data
Start frame
Arbitrary data
data are sent.
External device
1
1.1 Features
1
2
3
4
5
6
7
- 4