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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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Data Sheet
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Available models:

DS-PM501R4
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DS-PM501R4
Data Sheet

Specification

  • Outputs
  • Max. outputs 4
  • On-board relay outputs 4
  • Bus interconnection
  • Bus-extender Yes
  • 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 nominal (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
*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
Yes
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 nominal (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
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