Programming instructions

Designer’s Guide 59
Calsense
Bridging Chains using a -SR Hub
This final scenario involves using a non-FLOWSENSE spread spectrum radio (model -SR) hub or
controller to communicate to multiple FLOWSENSE chains or non-FLOWSENSE controllers (Figure 35
).
This scenario is common for sites where FLOWSENSE chains are spread across a large area with no way
to run Paige P7171D communication cable between them.
Figure 35 - Bridging chains using a -SR hub
The rules for this scenario are:
• The central communication option, indicated as -?? in the figure, can be nearly any option
including -GR, -EN, -WEN, -R, -FOM, -LR, or -M if using an LA-2 PC line amplifier
• The -SR hub/controller cannot be part of a FLOWSENSE chain
SR radios used
for FLOWSENSE
-??-SR
hub/controller
-SR-FL
controller
-M-FL
controller
-SR-SR-FL controller
(FLOWSENSE master)
-SR-M-FL controller
(FLOWSENSE master)
SR radios
used
for central
traffic
Central
communication link
Paige P7171D
communication cable
used for FLOWSENSE
Computer with
Calsense Command Center