Bus Relay Expander

  • Supports 4 relay outputs for flexible control
  • Built-in bus extender for extended bus range
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Available models:

DS-PM501R4

Specification

  • Outputs
  • Max. outputs4
  • On-board relay outputs4
  • Bus interconnection
  • Bus-extenderSupport
  • Bus technologyHalf-Duplex RS-485
  • Bus wiring4-Core Alarm Cable (at least 2×0.5mm²+2×0.22mm²)
  • Power supply - general
  • Input voltage12 VDC norminal (9~16 VDC), powered by bus
  • Quiescent current200 mA @12VDC
  • Max. current300 mA @12VDC
  • Relay output
  • Relay outputSPDT relay, 16A 24VDC, 16A 250VAC
  • Environmental
  • Operating temperature-10°C to 50°C (14°F to 122°F), indoor use only
  • Storage temperature -20°C to 60°C (-4°F to 140°F)
  • Relative humidity10% ~ 90% non-condensing
  • Physical
  • Dimension (W × H × D) 110 × 155 × 31 mm
  • 272 g
  • Tamper-proofFront and Rear
  • Installation methodWall mount
  • Compliance
  • Electrical conformityCE, CB
  • EN 50131Security Grade 2, Environmental Class II

Specification

Specification
Outputs
  • Outputs
  • Outputs
Bus interconnection
  • Bus interconnection
  • Bus interconnection
  • Bus interconnection
Power supply - general
  • Power supply - general
  • Power supply - general
  • Power supply - general
Relay output
  • Relay output
Environmental
  • Environmental
  • Environmental
  • Environmental
Physical
  • Physical
  • Physical
  • Physical
  • Physical
Compliance
  • Compliance
  • Compliance

Resources

Technical documents

Firmware

For better user experience, we highly recommend you to update your device to the latest firmware asap.

Firmware

For better user experience, we highly recommend you to update your device to the latest firmware asap.
Applied to:
DS-PM501R4

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