The SST-900B module is integrated for data acquisition and control application between a host and remote sensors, and it provides a better solution for environments where wiring is difficult.
The SST-900B module is a wireless module that works in a frequency range of 902-928 MHz, and includes adjustable 16 RF channels and each channel can be allocated one of sixteen group IDs. If data is to be transferred from one SST-900B module to another, the channel number and the group ID number must be the same on both modules. Both RS-232 and RS-485 interfaces are supported, and the module can be configured to operate in either broadcast or peer-to-peer transmission mode. All configurations can be completed using the external switches. Connection interfaces are mutually exclusive, meaning that a connection to the RS-485 can’t be made when using the RS-232, and vice versa.
In broadcast mode, all SST-900B modules operate in slave mode, so they are able to receive transmissions from each other. In peer-to-peer mode, however, although a multiple number of masters and slaves, exist also known as a multi-point structure, the master will only receive transmissions from the slave and vice versa.
