User's Manual

Applications
Crescendo UHF Half-Duplex User Manual Page 49 of 78
7.2.2 Point-to-multipoint Network with Roaming Remote
In some applications the remote unit may be mobile, and needs to ‘roam’ between areas of coverage. A
point-to-multipoint network configured for this purpose is shown in Figure 18.
Crescendo
Base
1000
Crescendo
Repeater
1002
Main
RTU
RADIO CONFIGURATION
Rx Address: 1002
Broadcast Retransmissions: 4
Store and Forward Repeater: True
Repeaters in Network: 1
PROTOCOL CONFIGURATION
Main Port: Point-to-multipoint
SERIAL CONFIGURATION
Main Port: 19200, 8N1, 2ms RX Timer
Crescendo
Repeater
1001
RADIO CONFIGURATION
Rx Address: 1001
Broadcast Retransmissions: 4
Store and Forward Repeater: True
Repeaters in Network: 1
PROTOCOL CONFIGURATION
Main Port: Point-to-multipoint
SERIAL CONFIGURATION
Main Port: 19200, 8N1, 2ms RX Timer
Crescendo
Remote
2000
RTU
RADIO CONFIGURATION
Rx Address: 2000
Broadcast Retransmissions: 4
Repeaters in Network: 1
PROTOCOL CONFIGURATION
Main Port: Point-to-multipoint
SERIAL CONFIGURATION
Main Port: 19200, 8N1, 2ms RX Timer
Main
RADIO CONFIGURATION
Rx Address: 1000
Broadcast Retransmissions: 4
Repeaters in Network: 1
PROTOCOL CONFIGURATION
Main Port: Point-to-multipoint
SERIAL CONFIGURATION
Main Port: 19200, 8N1, 2ms RX Timer
Figure 18: Point-to-multipoint network with roaming remote
As with other types of broadcast network, setting the max packet size will help fine tune the network. Note
that while there are two store-and-forward repeaters in the network, the repeaters in network setting is set to
one. Repeaters in network specifies the maximum number of repeaters a packet must go through to reach a
destination.