Requirements for the RS485 interface
The product is suitable for the communication with RS485 devices via Modbus RTU.
The interface parameters must be set as follows:
Set-up: | 8 data bits |
1 stop bit | |
no parity |
Cable requirements:
The cable length and quality affect the quality of the signal. Observe the following cable requirements.
Number of insulated conductor pairs and insulated conductor cross-section: at least 2 x 2 x 0.22 mm²
Maximum cable length across the entire RS485 bus: 1200 m
Twisted pair conductors
Cable with shielding: Yes
UV-resistant if installed outdoors.