According to the DF1 specification, packets for the destination address 0xFF are considered
broadcasts. Hence when Broadcast is On, packets with this destination are handled as broadcasts.
Address translation
Table
Mask
•
Advanced parameters
○
ACK Locally
List box: Off, On
Default = On
If "
On
", ACK frames (0x1006)are not transferred over-the-air.
When the RipEX receives a data frame from the connected device, it generates the ACK frame
(0x1006) locally. When the RipEX receives the data frame from the Radio channel, it sends the
frame to the connected device and waits for the ACK. If the ACK is not received within 1 sec.
timeout, RipEX sends ENQ (0x1005). ENQ and ACK are not generated for broadcast packets.
DNP3
Each frame in the DNP3 protocol contains the source and destination addresses in its header, so there
is no difference between Master and Slave in terms of the RipEX configuration. The DNP3 allows both
Master-Slave polling as well as spontaneous communication from remote units.
•
Broadcast -
Note: There is not the option to set the Broadcast address, since DNP3 broadcast
messages always have addresses in the range 0xFFFD - 0xFFFF. Hence when Broadcast is On,
packets with these destinations are handled as broadcasts.
Address translation
Table
Mask
IEC 870-5-101
IEC 870-5-101 is a serial polling-type communication protocol used by Master-Slave application.
When RipEX radio network run in Router mode, more IEC 870-5-101 Masters can be used within one
Radio network and one Slave can be polled by more Masters.
IEC 870-5-101 protocol configuration is using all parameters described in
Common parameters
.
Mode of Connected device
Master
Broadcast
- only On, Off. Protocol broadcast address is not configurable, it is defined
by Address mode in Advance parameter (default 0xFF)
Address translation
Table
Mask
Slave
Broadcast accept
•
Advanced parameters
RipEX Radio modem & Router – © RACOM s.r.o.
108
Advanced Configuration
Summary of Contents for RipEX 1.5
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