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Weathermatic SLM48DM Decoder Module 2-wire System

SKU: 38515

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About the Weathermatic SLM48DM

A SmartWire SLDEC valve decoder is wired to each valve. Each decoder has a programmable address (typically the zone number), which identifies it to the SmartWire SLM48DM 2-wire decoder module installed in a SmartLine® SL1600 controller. The SLM48DM 2-wire decoder module broadcasts a command to activate a certain address or zone. All decoders on a 2-wire path "decode" the message, but only the appropriate decoder responds and turns the attached valve on or off.

Product Details

Manufacturer: Weathermatic
Mpn # SLM48DM

Product Features

  • Converts the SmartLine SL1600 Controller to a 2-wire system for a maximum of 48 zones plus master valve
  • Fully programmable for valve addresses using SLM48DM
  • Freeze/heat resistant (-20 to 60C)
  • 14 gauge PVC-coated connecting wires
  • Sealed electrical components for protection from water and dirt
  • Operates valves to a maximum of 100' (30m) from decoder
  • Diagnoses and reports failed solenoids to the SLM48DM
  • Auto shutdown if communication with SLM48DM is lost
  • Hot-swappable installation
  • Connections for up to 3 different 2-wire paths for maximum installation flexibility
  • Programs and operates SmartWire SLDEC Series decoders
  • LED display and status lights for programming, operation status, and troubleshooting with error codes
  • Decodes signals from SLM48DM to open and close valves
  • Input voltage 24 28VAC from 2-wire path
  • Shock resistant
  • Surge protection


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