User manual

Modbus Communication and Connectivity
13
Figure 5 Typical maximum installation
The recommended cable characteristics are:
Normal Environments:
• 18-22 gauge, twisted-pair, stranded (non- shielded)
Typical type is: Belden 8442
Noisy Environments:
• 18-22 gauge, twisted-pair, stranded (shielded)
Typical type is: Belden 9461
Modbus RTU Master
EIA-485 9600,N,8,1
Maximum of 32
devices with combined
cable length of 4000
feet