Products

2CH Relay + iSENSE

LDSBus 2CH Relay + iSENSE incorporate 2 relay controllers that have high load current handling capacity of 16A. These relays can switch both AC and DC loads. The LDSBus 2CH Relay + iSENSE version has 2 additional current sensors which can each monitor up to 20A of current. The unique latching feature of the relays make these controllers ideal in applications where relays maintain their state through a software reset or hardware reset.

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Introduction:

LDSBus 2CH Relay and the LDSBus 2CH Relay + iSENSE incorporate 2 relay controllers that have high load current handling capacity of 16A. These relays can switch both AC and DC loads. The LDSBus 2CH Relay + iSENSE version has 2 additional current sensors which can each monitor up to 20A of current. The unique latching feature of the relays make these controllers ideal in applications where relays maintain their state through a software reset or hardware reset.

The LDSBus 2CH Relay controllers are ideal for usage in forward and reverse motor control applications, switching on and off high power loads and additionally perform load sensing simultaneously.

LDSBus 2CH Relay has the following features:

  • 2 Channel dual coil latching SPDT Relay
  • Supports up to 16A load per relay channel
  • Current sense monitoring up to +-20A (iSENSE option)
  • Relays may be individually configured as Normally Open (NO), Normally Close (NC) or No Action relays
  • Supports both AC (250V) and DC (300V) load switching
  • Maintains relay state across power cycles
  • Supports the Bridgetek LDSBus protocol.  Wired data/power transmission through LDSBus HVT-Junctin
  • Low power consumption
  • Operating temperature range : 0oC to +55oC
  • Flush mount and DIN Rail mounting options
  • Supported platform application : Bridgetek IoTPortal and LDSBus Python SDK

Features

  • Interface – RS485
  • System Status Indicator – 1x RGB LED
  • Relay Status Indicator – 2x Red LEDs
  • *Power/Sensing Indicator – 1x Green LED
  • Mounting – Flush Mount; DIN Rail Mount

Power

  • Input Voltage – 5V DC Bus Power
  • Power (Relay + iSENSE) – Typ : 300mW; Max: 485mW
  • Power (Relay) – Typ: 110mW; Max: 320mW

Relay

  • Number of Relay Channel – 2
  • Relay Type – SPDT, Dual Coil Latching
  • Contact arrangement – 1 form A (NO) Contact
  • Rated voltage – <=250VAC
  • Max. switching voltage – 400VAC
  • Rated current – 16A
  • Limiting continuous current – 16A, UL:20A
  • Mechanical endurance – >5×106 operations
  • Max. DC load breaking capacity – > Refer to Figure 1 in the datasheet
  • Electrical endurance – Refer to Figure 1 in the datasheet

Current Sense

  • Number of Current Channel – 2
  • Type of current for monitoring – AC/DC
  • Primary current (Ipm) – -20A ~ 20A
  • Measurable line frequency – 50Hz/60Hz
  • Resolution – 0.2A
  • Accuracy – Type +/- 5%; For 0A ~ +/- 2A, Accuracy typ +/- 0.2A
  • Current Output Quiescent (No current flowing through IP) – -120mA ~ 120mA
  • Thermal Offset Drift – Max: +/- 120mA; Referred to TA=25 degree celsius,IP = 0A

Physical Charactieristics

  • Colour – White
  • Housing – Polycarbonate
  • Dimension – L138.2mm x W76.0mm x H31.9mm

Environmental Limits

  • Operating Temperature – 0 to 55 degree celsius
  • Storage Temperature – -20 to 85 degree celsius
  • Ambient Relative Humidity – 5 to 95% (non-condensing)

Package Contents

  • Device – 1x LDSBus Relay module
  • Installation (Optional) – 1x DIN Rail Bracket set
  • Wire Assembly – 1X 5m RJ11 Cable
  • Warranty label – 1
Datasheet
NumberTitleRevisionLast Updated
1LDSBus 2CH Relay & 2CH Relay + iSENSE1.311 September 2023

To download software, please click here.

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