MultiGrow Installation Guide
V2.0 MultiGrow Installation Guide Copyright© 2018 Autogrow Systems Ltd 5
Appendix.
Bus Addressing
Every module on the Bus Network must have a unique address so that
messages can be sent uniquely to each module. Each type of Autogrow
Module has its own range of addresses. Within each type, the individual
address is set using a small rotary switch on the circuit board inside each
module.
For example, you can have an Output Module and an Environment Sensor
with the same rotary address because they are different types of modules, but you cannot have the
same rotary address on two output modules.
So, if the switch is set to 0, then that module address will be 0 within its type. If the switch is set to 1
then that module address will be 1 within its type. The installer needs to set the address on each
module and ensure that every module of the same type has a different address. It is recommended
that the address is recorded on the outside of the module enclosure and in the installation notes.
The rotary address switches have a range as follows:
The above addressing scheme provides for up to 16
similar devices on the Bus Network. If more than 16
devices are required, then it is possible to flick the
Addr Ext dip switch on the PCB to allow another
consecutive 16 addresses for each module type. This
will allow for 32 modules of the same type on the Bus
Network. Up to a total of 128 Autogrow modules can be connected onto a single bus network.
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