How can we help you today?

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 Canada

Explore more
Range:
Users group

Discuss this topic with experts

Visit our community and get advice from experts and peers on this topic and more
Explore more
Range:
  • Help and Contact Center
  • Contact Sales
  • Find our Offices
  • Where to Buy
  • Careers
  • Company Profile
  • Investors
  • Newsroom
  • Report a Misconduct
  • Product Documentation
  • Product Selectors
  • Software and Firmware
  • Product Substitution and Replacement
  • Blog
  • Events
  • Schneider Electric Community
  • Sustainability
  • Legal Information
  • Privacy Policy
  • Cookie Notice
  • Terms of use
  • Change your cookie settings