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How many devices can be daisy chained off of the PNIM RS-485 ports?

Product Line
PNIM

Environment
RS-485

Resolution
The maximum number of devices that can be daisy chained out of the PowerLogic Network Interface Module (PNIM) RS-485 port are 32, without using repeaters. The maximum length of the daisy chain is dependent on the baud rate of the devices. See table below.

Typical maximum RS-485 Drive Distance

Baud Rate150-9600192003840057600115200
Distance (feet)40003200300023001600
Distance (meters)1220975914701488

*Note: Based on 24 AWG twisted shielded pair, 0.026 Ohm/ft (0.085 Ohm/m), 13pF/ft(41pF/m) conductor to conductor, 22 Pf/ft (72pF/m) conductor to shield.

Schneider Electric Sverige

How many devices can be daisy chained off of the PNIM RS-485 ports?

Product Line
PNIM

Environment
RS-485

Resolution
The maximum number of devices that can be daisy chained out of the PowerLogic Network Interface Module (PNIM) RS-485 port are 32, without using repeaters. The maximum length of the daisy chain is dependent on the baud rate of the devices. See table below.

Typical maximum RS-485 Drive Distance

Baud Rate150-9600192003840057600115200
Distance (feet)40003200300023001600
Distance (meters)1220975914701488

*Note: Based on 24 AWG twisted shielded pair, 0.026 Ohm/ft (0.085 Ohm/m), 13pF/ft(41pF/m) conductor to conductor, 22 Pf/ft (72pF/m) conductor to shield.

Schneider Electric Sverige

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