NetX PLR/M-Bus

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Features

  • PLR & M-Bus protocol conversion
  • Designed for remote monitoring of Wilo circulation pump
  • Connection to M-Bus port of Danfoss ECL APEX 10 heating substation controller
  • LED indication of PLR communication
  • Adjustable M-Bus address
  • Galvanic isolation of M-Bus communication line up to 1.5kV DC
  • Power supplied from Wilo pump communication port

 

Description


PLR/M-Bus device is protocol converter which enables remote monitoring of Wilo circulation pump over M-Bus port of Danfoss ECL APEX 10 heating substation controller. It has LED indication of PLR communication. M-Bus address is adjustable with three BCD rotary switches. M-Bus port is galvanic isolated. Device is power supplied from Wilo pump communication port. Device is designed for mounting inside of Wilo circulation pump.


Application

PLR/M-Bus device is completely adjusted and designed for remote monitoring of Wilo circulation pump in heating substations.

It enables remote monitoring of following pump parameters:

  • Pump speed [rpm]
  • Pump status [ON/OFF]
  • Pump status error [alarm code]
  • Pump flow - calculated [m3/h]
  • Pump head – differential pressure [kPa]
  • Pump power [W]
  • Pump working hours [h]

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Technical specifications
Communication connectors PLR (Wilo pump communication port); M-Bus (screw clamp, 2x2.5mm2)
Data rate and format PLR 1200bps 8N1; M-Bus 300bps 8E1
M-Bus address adjusting with 3 BCD rotary switches
Maximum distance M-Bus 1km@300bps; cable 0.8mm2
LED indicator PLR communication
Galvanic isolation M-Bus, up to 1.5kV DC
Power supply from communication port of Wilo circulation pump
Mounting inside of Wilo circulation pump
Operating temperature -25 do 70°C
Dimensions 80 x 45 x 30 mm