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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
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
*Product performance is based on testing in a controlled environment. Your results may vary due to several external and environmental factors.

Specification

Outputs
Max. outputs
4
On-board relay outputs
4
Bus interconnection
Bus-extender
Support
Bus technology
Half-Duplex RS-485
Bus wiring
4-Core Alarm Cable (at least 2×0.5mm²+2×0.22mm²)
Power supply - general
Input voltage
12 VDC norminal (9~16 VDC), powered by bus
Quiescent current
200 mA @12VDC
Max. current
300 mA @12VDC
Relay output
Relay output
SPDT 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 humidity
10% ~ 90% non-condensing
Physical
Dimension (W × H × D)
110 × 155 × 31 mm
272 g
Tamper-proof
Front and Rear
Installation method
Wall mount
Compliance
Electrical conformity
CE, CB
EN 50131
Security Grade 2, Environmental Class II
For better user experience, we highly recommend you to update your device to the latest firmware asap.
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
*Product performance is based on testing in a controlled environment. Your results may vary due to several external and environmental factors.

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.
Firmware_V1.0.5_250411
Applied to:
DS-PM501R4

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